Piot, B. A., Maude, D. K., Gennser, U., Cavanna, A., Mailly, D.
The magnetoresistance of a low carrier density, disordered GaAs based two-dimensional (2D) electron gas has been measured in parallel magnetic fields up to 32 T. The feature in the resistance...
Pristas, G., Reiffers, M., Bauer, E., Jansen, A. G. M., Maude, D. K.
The non-Fermi liquid system (NFL) YbCu_(5-x)Al_(x) (x = 1.3 - 1.75) has been investigated in hetero- as well as homo-contact arrangement in magnetic fields up to 22.5 T. The observed dV/dI(V)...
Amado, M., Diez, E., López-Romero, D., Rossella, F., Caridad, J. M., Bellani, V., ...
The quantum Hall effect in a single-layer graphene sample is studied in strong magnetic fields up to 28 T. Our measurements reveal the existence of a metal- insulator transition from filling factor...
Schneider, J. M., Orlita, M., Potemski, M., Maude, D. K.
Magnetotransport of natural graphite and highly oriented pyrolytic graphite (HOPG) has been measured at mK temperatures. Quantum oscillations for both electron and hole carriers are observed with...
Orlita, M., Faugeras, C., Schneider, J. M., Martinez, G., Maude, D. K., Potemski, M.
We describe an infrared transmission study of a thin layer of bulk graphite in magnetic fields up to B = 34 T. Two series of absorption lines whose energy scales as sqrtB and B are present in the...
Optical absorption to probe the quantum Hall ferromagnet at filling factor $\nu=1$ (2009)
Plochocka, P., Schneider, J. M., Maude, D. K., Potemski, M., Rappaport, M., Umansky, V., ...
Optical absorption measurements are used to probe the spin polarization in the integer and fractional quantum Hall effect regimes. The system is fully spin polarized only at filling factor $\nu=1$...
Siddiki, A., Hey, R., Kostial, H., Riedel, A., Maude, D. K.
The quantum Hall effect is investigated in a high-mobility two-dimensional electron gas on the surface of a cylinder. The novel topology leads to a spatially varying filling factor along the current...
Magneto-transmission of multi-layer epitaxial graphene and bulk graphite: A comparison (2008)
Orlita, M., Faugeras, C., Martinez, G., Maude, D. K., Schneider, J. M., Sprinkle, M., ...
Magneto-transmission of a thin layer of bulk graphite is compared with spectra taken on multilayer epitaxial graphene prepared by thermal decomposition of a SiC crystal. We focus on the spectral...
Magneto-transmission as a probe of Dirac fermions in bulk graphite (2008)
Orlita, M., Faugeras, C., Martinez, G., Maude, D. K., Sadowski, M. L., Schneider, J. M., ...
Far infrared magneto-transmission spectroscopy has been used to probe "relativistic" fermions in highly oriented pyrolytic and natural graphite. Nearly identical transmission spectra of those two...
We have investigated the in-plane $I(V)$ characteristics and the Josephson vortex flow resistance in high-quality La-free Bi$_{2+x}$Sr$_{2-x}$CuO$_{6+\delta}$ (Bi2201) single crystals in parallel and...
Studies of Skyrmions at ν=1 in the Limit of Zero g-factor. (2008)
D. R. Leadley, R. J. Nicholas, D. K. Maude, A. N. Utjuzh, J. C. Portal, J. J. Harris, ...
In a two-dimensional electron gas at ν=1 (where the filling factor ν=neh/eB measures how many Landau levels (LL) are filled) the ground state should be regarded as a ferromagnet since all the spin...
FRACTIONAL QUANTUM HALL EFFECT MEASURED IN A SPIN DEGENERATE ELECTRON GAS (2008)
D. R. Leadley, R. J. Nicholas, D. K. Maude, J. C. Portal, J. J. Harris
The influence of spin on the Fractional Quantum Hall Effect is investigated in GaAs-GaAlAs heterojunctions in a filling factor region where both spin states of the lowest Landau level are occupied....
The dependence of the Composite Fermion effective mass on carrier density and Zeeman energy (2008)
R J Nicholas, D R Leadley, M S Daly, P Gee, J Singleton, ...
Abstract. Measurements of the temperature-dependent resistivity of high-mobility GaAs/GaAlAs heterojunctions are used to measure the effective mass of Composite Fermions (CF). The CF effective mass...
Measurements of composite Skyrmions at filling factor 1/3 (2008)
D. R. Leadley, R. J. Nicholas, D. K. Maude, A. N. Utjuzh, J. C. Portal, J. J. Harris, ...
Measurements of the fractional quantum Hall effect energy gaps at high pressures are presented that provide evidence for the existence of composite Skyrmions. Just as charged spin textures known as...
F. Coppinger, J. Genoe, L. B. Rigal, D. K. Maude, U. Gennser, J. C. Portal, ...
Using low temperature magnetotransport techniques we demonstrate that the electrical transport is phase coherent in a GaAs matrix containing self organising ErAs quantum dots and wires of the order...
ERBIUM RELATED DEFECTS IN GALLIUM ARSENIDE (2007)
A R Peaker, H Efeoglu, D K Maude, J-c Portal, P Rutter, ...
Abstract: This paper reviews our recent experimental work on erbium incorporated into gallium arsenide during MBE growth. The electrical behaviour of the erbium is considered in relation to its...
Dirac fermions at the H point of graphite: Magneto-transmission studies (2007)
Orlita, M., Faugeras, C., Martinez, G., Maude, D. K., Sadowski, M. L., Potemski, M.
We report on far infrared magneto-transmission measurements on a thin graphite sample prepared by exfoliation of highly oriented pyrolytic graphite. In magnetic field, absorption lines exhibiting a...
Piot, B. A., Maude, D. K., Henini, M., Wasilewski, Z. R., Gupta, J. A., Friedland, K. J., ...
In a recent paper [B. A. Piot et al., Phys. Rev. B 72, 245325 (2005)], we have shown that the lifting of the electron spin degeneracy in the integer quantum Hall effect at high filling factors should...
Magneto infra-red absorption in high electronic density GaAs quantum wells (2007)
Poulter, A. J. L., Zeman, J., Maude, D. K., Potemski, M., Martinez, G., Riedel, A., ...
Magneto infra-red absorption measurements have been performed in a highly doped GaAs quantum well which has been lifted off and bonded to a silicon substrate, in order to study the resonant polaron...
Novel metallic and insulating states at a bent quantum Hall junction (2007)
Grayson, M., Steinke, L., Schuh, D., Bichler, M., Hoeppel, L., Smet, J., ...
A non-planar geometry for the quantum Hall (QH) effect is studied, whereby two quantum Hall (QH) systems are joined at a sharp right angle. When both facets are at equal filling factor nu the...
Anomalous Resistance Ridges Along Filling Factor $\nu = 4i$ (2006)
Takashina, K., Brun, M., Ota, T., Maude, D. K., Fujiwara, A., Ono, Y., ...
We report anomalous structure in the magnetoresistance of SiO$_2$/Si(100)/SiO$_2$ quantum wells. When Landau levels of opposite valleys are driven through coincidence at the Fermi level, the...
The in-plane $\\rho_{ab}(H)$ and the out-of-plane $\\rho_c(H)$ magneto-transport in magnetic fields up to 28 T has been investigated in a series of high quality, single crystal, hole-doped La-free...
Studenikin, S. A., Sachrajda, A. S., Gupta, J. A., Wasilewski, Z. R., Fedorych, O. M., Byszewski, M., ...
The frequency dependence of microwave-induced resistance oscillations (MIROs) has been studied experimentally in high-mobility electron GaAs/AlGaAs structures to explore the limits at which these...
Magnetophonon resonance in high density, high mobility quantum well systems (2006)
Faugeras, C., Maude, D. K., Martinez, G., Rigal, L. B., Proust, C., ...
We have investigated the magnetophonon resonance (MPR) effect in a series of single GaAs quantum well samples which are symmetrically modulation doped in the adjacent short period AlAs/GaAs...
Current flow and energy dissipation in low-dimensional semiconductor superlattices (2006)
Fowler, D., Patané, A., Ignatov, A., Eaves, L., Henini, M., Mori, N., ...
By applying high magnetic and electric fields to a semiconductor superlattice (SL) we create quasi-one-dimensional or quasi-zero-dimensional electronic states. This reduced dimensionality restricts...
Optical probing of composite fermions in a two-dimensional electron gas (2006)
Byszewski, M., Chwalisz, B., Maude, D. K., Sadowski, M. L., Potemski, M., Saku, T., ...
Jouault, B., Gryglas, M., Faini, G., Gennser, U., Cavanna, A., Baj, M., ...
A single impurity is used to probe the local density of states of a two-dimensional electron gas (2DEG) in a resonant tunneling experiment. The studies have been performed in the GaAs/AlAs/GaAs...
Quantum critical behaviour of the plateau-insulator transition in the quantum Hall regime (2006)
Visser, A. De, Ponomarenko, L., Galistu, G.M., Pruisken, A.M.M., Zeitler, U., ...
Spin effects in quantum dots (2006)
Konemann, J., Winkler, R., Maude, D. K., Haug, R. J.
Spin-resolved single-electron tunneling in GaAs/AlGaAs double-barrier resonant tunneling structures is used to investigate the spin-splitting of fully quantized electronic states. With the use of...
Integer quantum Hall effect in a PbTe quantum well (2006)
Chitta, V. A., Desrat, W., Maude, D. K., Piot, B. A., Oliveira, N. F., Rappl, P. H. O., ...
Transport measurements have been carried out on a 10 nm n-type PbTe/Pb0.9Eu0.1Te quantum well at millikelvin temperatures. The Hall and longitudinal resistances are measured in a Van der Pauw...
Dresselhaus spin-orbit coupling in a symmetric (100) GaAs quantum well (2006)
Desrat, W., Maude, D. K., Wasilewski, Z. R., Airey, R., Hill, G.
Weak antilocalization has been observed in the magnetoresistance of a symmetric GaAs/AlGaAs quantum well. The two-dimensional carrier density can be tuned both by the application of hydrostatic...
Current-driven breakdown of the quantized Hall states of a broken-gap 2D electron-hole system (2006)
Takashina, K., Nicholas, R. J., Kardynal, B., Mason, N. J., Maude, D. K., Portal, J. C.
We report results from experimental studies on the current driven breakdown of the quantum Hall effect in an InAs/GaSb-based electron-hole system. We find that the critical currents observed in this...
Tauk, R., Teppe, F., Boubanga, S., Coquillat, D., Knap, W., Meziani, Y. M., ...
Si metal oxide semiconductor field effect transistors (MOSFETs) with the gate lengths of 120-300 nm have been studied as room temperature plasma wave detectors of 0.7 THz electromagnetic radiation....
Investigations of quantum oscillations in θ- and θ(T)-(BEDT-TTF)2I3 (2006)
Nothardt, A., Balthes, E., Schmidt, W., Salameh, B., Schweitzer, D., Strempfer, J., ...
Quantum oscillation experiments were performed on Theta-(BEDT-TTF)(2)I-3 crystals. In the neat crystals used here, quantum oscillations for the a-orbit (F-alpha=780T) are already observed at a field...
Chaisantikulwat, W., Mouis, M., Ghibaudo, G., Gallon, C., Fenouillet-Beranger, C., Maude, D. K., ...
Ultra-thin Silicon-on-Insulator (SOI) transistor has proved to offer advantages over bulk MOSFETs for high-speed, low power applications. However, there is still a strong need to obtain an accurate...
Superconductivity of InN with a well defined Fermi surface (2006)
Inushima, T., Kato, N., Maude, D. K., Lu, H., Schaff, W. J., Tauk, R., ...
In this report we present our recent investigation on the co-existence of superconducting and semiconducting properties in InN grown on sapphire (0001) by the use of MBE and MOCVD methods....
Strong effect of resonant impurities on Landau-level quantization (2006)
Allison, G., Mori, N., Patanè, A., Endicott, J., Eaves, L., Maude, D. K., ...
We investigate experimentally the effect of a random distribution of nitrogen (N) impurities on the Landau-level spectrum of a GaAs quantum well. Our magnetotunneling study reveals complex and...
Studenikin, S. A., Byszewski, M., Maude, D. K., Potemski, M., Sachrajda, A., Wasilewski, Z. R., ...
Microwave induced resistance oscillations (MIROs) were studied experimentally over a very wide range of frequencies ranging from similar to 20 GHz up to similar to 4 THz, and from the quasi-classical...
Sukhodub, G., Hohls, F., Haug, R. J., Maude, D. K., Reuter, D., Wieck, A. D.
In a wide range of magnetic fields nonlinear transport between spin polarized edge channels is studied. The observed hysteresis of the I-V characteristic is attributed to the dynamic nuclear spin...
Piot, B. A., Maude, D. K., Henini, M., Wasilewski, Z. R., Friedland, K. J., Hey, R., ...
Spin splitting in the integer quantum Hall effect is investigated for a series of Al$_{x}$Ga$_{1-x}$As/GaAs heterojunctions and quantum wells. Magnetoresistance measurements are performed at mK...
The in-plane $\rho_{ab}(H,T)$ and the out-of-plane $\rho_c(H,T)$ magneto-transport in magnetic fields up to 28 T has been investigated in high quality non-superconducting (down to 20 mK) La-free...
Break-junction tunneling spectroscopy at temperatures 30-50 mK in high magnetic field is used to directly probe the quasiparticle density of states within the energy gap in a single crystal Bi2212...
Studenikin, S. A., Byszewski, M., Maude, D. K., Potemski, M., Sachrajda, A., Wasilewski, Z. R., ...
Microwave induced resistance oscillations (MIROs) were studied experimentally over a very wide range of frequencies ranging from ~20 GHz up to ~4 THz, and from the quasi-classical regime to the...
Spin-orbit coupling and anisotropy of spin splitting in quantum dots. (2005)
Altshuler, B. L., Falko, Vladimir I., Haug, R. J., Maude, D. K.
In lateral quantum dots, the combined effect of both Dresselhaus and Bychkov-Rashba spin-orbit coupling is equivalent to an effective magnetic field ±BSO which has the opposite sign for sz=±1/2...
Scaling flow diagram in the fractional quantum Hall regime of GaAs/AlGaAs heterostructures (2005)
Murzin, S. S., Dorozhkin, S. I., Maude, D. K., Jansen, A. G. M.
The temperature driven flow lines of the Hall and dissipative magnetoconductance data (\sigma_{xy},\sigma_{xx}) are studied in the fractional quantum Hall regime for a 2D electron system in...
Excited two-dimensional magnetopolaron states in quantum well of resonant tunnel junction (2005)
Ivanov, D. Yu., Chukalina, M. V., Takhtamirov, E. G., Dubrovskii, Yu. V., Eaves, L., Volkov, V. A., ...
Tunnel spectroscopy is used to probe the electronic structure in GaAs quantum well of resonant tunnel junction over wide range of energies and magnetic fields normal to layers. Spin degenerated high...
Total Angular Momentum Conservation During Tunnelling through Semiconductor Barriers (2005)
Gennser, U., Scheinert, M., Diehl, L., Tsujino, S., Borak, A., Falub, C. V., ...
We have investigated the electrical transport through strained p-Si/Si_{1-x}Ge_x double-barrier resonant tunnelling diodes. The confinement shift for diodes with different well width, the shift due...
Trion formation in narrow GaAs quantum well structures (2005)
Teran, F. J., Eaves, L., Mansouri, L., Buhmann, H., Maude, D. K., Potemski, M., ...
Spin-orbit coupling and anisotropy of spin splitting in quantum dots (2005)
Konemann, J., Haug, R. J., Maude, D. K., Fal'ko, V. I., Altshuler, B. L.
Quantum Hall ferromagnet at high filling factors: A magnetic-field-induced Stoner transition (2005)
Piot, B. A., Maude, D. K., Henini, M., Wasilewski, Z. R., Friedland, K. J., Hey, R., ...
Multivalley transport and the integer quantum Hall effect in a PbTe quantum well (2005)
Chitta, V. A., Desrat, W., Maude, D. K., Piot, B. A., Oliveira, N. F., Rappl, P. H. O., ...
High magnetic field studies of AlGaN/GaN heterostructures grown on bulk GaN (2005)
Siekacz, M., Dybko, K., Skierbiszewski, C., Knap, W., Wasilewski, Z. R., Maude, D. K., ...
The in-plane $\rho_{ab}(H)$ and the out-of-plane $\rho_c(H)$ magneto-transport in magnetic fields up to 28 T has been investigated in a series of high quality, single crystal, hole-doped La-free...
Spin-orbit coupling and anisotropy of spin splitting in quantum dots (2004)
Konemann, J., Haug, R. J., Maude, D. K., Fal'ko, V. I., Altshuler, B. L.
In lateral quantum dots, the combined effect of both Dresselhaus and Bychkov-Rashba spin orbit coupling is equivalent to an effective magnetic field B_so which has the opposite sign for s_z=1/2 spin...
Desrat, W., Giazotto, F., Pellegrini, V., Beltram, F., Capotondi, F., Biasiol, G., ...
We report magneto-transport measurements on high-mobility two-dimensional electron systems (2DESs) confined in In_0.75Ga_0.25As/In_0.75Al_0.25As single quantum wells. Several quantum Hall states are...
New insights into the plateau-insulator transition in the quantum Hall regime (2004)
Ponomarenko, L., Visser, A. De, Maude, D.K., Zvonkov, B.N., Lunin, R.A., ...
New insights into the plateau-insulator transition in the quantum Hall regime (2004)
Ponomarenko, L., Visser, A. De, Maude, D.K., Zvonkov, B.N., Lunin, R.A., ...
New insights into the plateau-insulator transition in the Quantum Hall regime (2004)
Ponomarenko, L., Visser, A. De, Maude, D.K., Zvonkov, B.N., Lunin, R.A., ...
The in-plane $\\rho_{ab}(H)$ and the out-of-plane $\\rho_c(H)$ magneto-transport in magnetic fields up to 28 T has been investigated in a series of high quality, single crystal, hole-doped La-free...
Magnetophonon resonance in high-density high-mobility quantum well systems (2004)
Faugeras, C., Maude, D.K., Martinez, G., Rigal, L.B., Proust, C., ...
We have investigated the magnetophonon resonance ~MPR! effect in a series of single GaAs quantum well samples which are symmetrically modulation doped in the adjacent short period AlAs/GaAs...
The in-plane $\\rho_{ab}(H)$ and the out-of-plane $\\rho_c(H)$ magneto-transport in magnetic fields up to 28 T has been investigated in a series of high quality, single crystal, hole-doped La-free...
Magnetophonon resonance in high-density high-mobility quantum well systems (2004)
Faugeras, C., Maude, D. K., Martinez, G., Rigal, L. B., Proust, C., Friedland, K. J., ...
We have investigated the magnetophonon resonance (MPR) effect in a series of single GaAs quantum well samples which are symmetrically modulation doped in the adjacent short period AlAs/GaAs...
Mesoscopic fluctuations of thermopower in a periodic antidot lattice (2004)
Budantsev, M. V., Lavrov, R. A., Pogosov, A. G., Plotnikov, A. E., Bakarov, A. K., Toropov, A. I., ...
The mesoscopic fluctuations of thermopower (MFT) were experimentally observed in an AlGaAs/GaAs heterojunction with a low-resistance (similar to0.02h/e(2)) periodic antidot lattice in the situation...
Konemann, J., Maude, D. K., Avrutin, V., Waag, A., Haug, R. J.
We present measurements of a single-particle transport spectrum of a vertical GaAs/AlGaAs resonant tunneling device at high magnetic fields. We investigated the spin splitting of several quantum dot...
Desrat, W., Giazotto, F., Pellegrini, V., Beltram, F., Capotondi, F., Biasiol, G., ...
We report magnetotransport measurements on high-mobility two-dimensional electron systems (2DESs) confined in In0.75Ga0.25As/In0.75Al0.25As single quantum wells. Several quantum Hall states are...
Magnetic-field-induced suppression of electronic conduction in a superlattice (2004)
Patanè, A., Mori, N., Fowler, D., Eaves, L., Henini, M., Maude, D. K., ...
Conductivity of weakly and strongly localised electrons in a n-type Si/SiGe heterostructure (2004)
Shlimak, I., Ginodmam, V., Levin, M., Potemski, M., Maude, D. K., Gerber, A., ...
Longitudinal conductivity in Si/SiGe heterostructure at integer filling factors (2003)
Shlimak, I., Ginodman, V., Levin, M., Potemski, M., Maude, D. K., ...
We have investigated temperature dependence of the longitudinal conductivity $\sigma_{xx}$ at integer filling factors $\nu =i$ for Si/SiGe heterostructure in the quantum Hall effect regime. It is...
Teran, F. J., Potemski, M., Maude, D. K., Plantier, D., Hassan, A. K., Sachrajda, A., ...
We have studied the low energy spin excitations in n-type CdMnTe based dilute magnetic semiconductor quantum wells. For magnetic fields for which the energies for the excitation of free carriers and...
Nonlinear hole transport through a submicron-size channel (2003)
Makarovsky, O., Neumann, A., Martin, A. M., Turyanska, L., Patané, A., Eaves, L., ...
We investigate hole transport through a submicron-size channel fabricated from a modulation-doped p-type GaAs/(AlGa)As single- quantum-well heterostructure. The intense electric field in the channel...
Coupling of Mn2+ spins with a 2DEG in quantum Hall regime (2003)
Teran, F. J., Potemski, M., Maude, D. K., Wilamowski, Z., Hassan, A. K., Plantier, D., ...
Hall anomaly of diffusive magnetic waveguides (2003)
Nogaret, A., Lawton, D. N., Maude, D. K., Portal, J. C., Henini, M.
Longitudinal conductivity in Si/SiGe heterostructure at integer filling factors (2003)
Shlimak, I., Ginodman, V., Levin, M., Potemski, M., Maude, D. K., Friedland, K. J., ...
Insulating states of a broken-gap two-dimensional electron-hole system (2003)
Takashina, K., Nicholas, R. J., Kardynal, B., Mason, N. J., Maude, D. K., Portal, J. C.
Tunnel gaps in the two-dimensional electron system in a magnetic field (2003)
Dubrovskii, Y. V., Main, P. C., Eaves, L., Volkov, V. A., Ivanov, D. Y., Vdovin, E. E., ...
Quantum Hall and insulating states of a 2-D electron-hole system (2003)
Takashina, K., Nicholas, R. J., Mason, N. J., Maude, D. K., Portal, J. C.
Resistively detected NMR near filling factor ν=1 (2003)
Desrat, W., Maude, D. K., Potemski, M., Portal, J. C., Wasilewski, Z. R., Hill, G.
Polaron coupling in high density GaAs quantum wells (2003)
Faugeras, C., Zeman, J., Maude, D. K., Martinez, G., Riedel, A., Hey, R., ...
Breakdown of the QHE in an electron-hole system (2003)
Takashina, K., Nicholas, R. J., Kardynal, B., Mason, N. J., Maude, D. K., Portal, J. C.
Temperature dependence of electron channelling via magnetic edge states (2003)
Lawton, D. N., Nogaret, A., Bending, S. J., Maude, D. K., Portal, J. C., Henini, M.
Metallic and insulating states of a broken-gap 2-D electron-hole system (2003)
Takashina, K., Nicholas, R. J., Kardynal, B., Mason, N. J., Maude, D. K., Portal, J. C.
Pinning of Landau levels in open two dimensional electron systems (2003)
Popov, V. G., Dubrovskii, Y. V., Vdovin, E. E., Khanin, Y. N., Portal, J. C., Maude, D. K., ...
Hall anomaly of diffusive magnetic waveguides (2003)
Nogaret, A., Lawton, D. N., Maude, D. K., Portal, J. C., Henini, M.
Landau levels in two and three-dimensional electron gases in a wide parabolic quantum well (2002)
Sergio,C.S., Gusev,G.M., Leite,J.R., Olshanetskii,E.B., Bykov,A.A., Moshegov,N.T., ...
Shubnikov-de Haas oscillations are measured in a wide parabolic quantum well with 6 subbands in a tilted magnetic fi eld. We find two types of oscillations. The oscillations at low magnetic field are...
Asymmetry of the Hall Conductance Fluctuations in a Random Magnetic Field (2002)
Nastaushev, Yu V., Gusev, G. M., Bykov, A. A., Lubyshev, D. I., Maude, D. K.
Transport in a two dimensional electron gas (2 DEG) experiencing a random magnetic field has lately attracted intensive attention, due in large part to its relevance to the properties of the...
Dubrovskii, Y. V., Vdovin, E. E., Khanin, Y. N., Popov, V. G., Maude, D. K.
Pres: 6th Int Symp Nanostructures: Physics and Technology, St Petersburg, Russia. 22-26 Jun 1998. p336-339. This article is from ADA406591 Nanostructures: Physics and Technology International...
Resonant Tunneling Through Single Thin Barrier Heterostructure with Spacer Layers (2002)
Khanin, Y. N., Vdovin, E. E., Dubrovskii, Y. V., Maude, D. K., Portal, J. C.
This article studied the tunneling in a single thin barrier heterostructure with spacer layers. All findings are explained in terms of resonant tunneling through triple barrier structure.
Chaotic electron dynamics in antidot lattice subjected to strong in-plane magnetic field (2002)
Sotomayor Choque, N. M., Gusev, G. M., Leite, J. R., Bykov, A. A., Litvin, L. V., Moshegov, N. T., ...
The classical electron dynamics in two-dimensional antidot lattices subjected to a magnetic field with a strong in-plane component is studied numerically. The anisotropy of the Fermi contour of the...
Ferromagnetic GaMnAs/GaAs superlattices - MBE growth and magnetic properties (2002)
Sadowski, J., Mathieu, R., Svedlindh, P., Karlsteen, M., Kanski, J., Fu, Y., ...
We have studied the magnetic properties of (GaMnAs)(m)(GaAs)(n) superlattices with magnetic GaMnAs layers of thickness between eight and 16 molecular layers (ML) (23-45 Angstrom), and with...
Desrat, W., Maude, D. K., Potemski, M., Portal, J. C., Wasilewski, Z. R., Hill, G.
Resistively detected nuclear magnetic resonance measurements have been performed on a high mobility heterostructure in the quantum Hall regime. At millikelvin temperatures the nuclear resonances are...
Comment on "Magneto infrared absorption in high electron density GaAs quantum wells" - Reply (2002)
Poulter, A. J. L., Faugeras, C., Zeman, J., Potemski, M., Maude, D. K., Martinez, G.
Landau levels in two and three-dimensional electron gases in a wide parabolic quantum well (2002)
Sergio, C. S., Gusev, G. M., Leite, J. R., Ol'shanetskiĭ, E. B., Bykov, A. A., Moshegov, N. T., ...
Shubnikov-de Haas oscillations are measured in a wide parabolic quantum well with 6 subbands in a tilted magnetic field. We find two types of oscillations. The oscillations at low magnetic field are...
Resistively detected NMR in the quantum Hall regime (2002)
Desrat, W., Maude, D. K., Potemski, M., Portal, J. C., Wasilewski, Z. R., Hill, G.
We present resistively detected nuclear magnetic resonance performed on a high mobility two-dimensional electron gas. Nuclear resonances have been observed for all three isotopes Ga-69, Ga-71 and...
Magnetic waveguiding in tilted magnetic fields (2002)
Nogaret, A., Lawton, D. N., Maude, D. K., Portal, J. C., Henini, M.
We apply tilted magnetic fields to ballistic electrons channelled by a microscopic magnetic gradient and show that the resonances in both the longitudinal and the Hall resistance are essentially a...
Dubrovskii, Y. V., Hill, R., Volkov, V. A., Main, P. C., Eaves, L., Popov, V. G., ...
We have investigated equilibrium tunnelling between disordered two-dimensional electron systems at temperatures below 0.3 K over a wide range of magnetic field. B. applied perpendicular to the...
Resistively detected EPR of Mn2+ ions coupled to the 2DEG in the quantum Hall regime (2002)
Teran, F. J., Potemski, M., Maude, D. K., Hassan, A. K., Andrearczyk, T., Jaroszynski, J., ...
An investigation of resistively detected electron paramagnetic resonance (EPR) of Mn2+ ions imbedded in CdMnTe modulation- doped quantum well structure reveals the strong influence of the 2D-free...
Magneto infrared absorption and polaron coupling in high electron density GaAs quantum well (2002)
Faugeras, C., Zeman, J., Maude, D. K., Potemski, M., Martinez, G., Riedel, A., ...
We investigated the cyclotron resonance (CR) on a series of samples containing high-density 2DEG (7.4-12 x 10(11) cm(-2)) in GaAs/AlAs single quantum wells (in high magnetic fields up to 28 T) in...
Bykov, A. A., Estibals, O., Marchishin, I. V., Litvin, L. V., Bakarov, A. K., Toropov, A. I., ...
Magneto-transport properties of small ring interferometers with narrow electronic channels made on the basis of a 2D electron gas in a GaAs quantum well with AlAs/GaAs superlattice barriers are...
Teran, F. J., Potemski, M., Maude, D. K., Andrearczyk, T., Jaroszynski, J., Karczewski, G.
Electrical transport measurements are reported on a 2DEG in a CdMnTe quantum well structure. The amplitude of the Shubnikov- de Haas oscillations show a distinct beating pattern with nodes...
Magnetic waveguiding in tilted magnetic fields (2002)
Nogaret, A., Lawton, D. N., Maude, D. K., Portal, J. C., Henini, M.
Ferromagnetic GaMnAs/GaAs superlattices - MBE growth and magnetic properties (2001)
Sadowski, J., Mathieu, R., Svedlindh, P., Karlsteen, M., Kanski, J., Fu, Y., ...
We have studied the magnetic properties of (GaMnAs)m/(GaAs)n superlattices with magnetic GaMnAs layers of thickness between 8 and 16 molecular layers (ML) (23-45 \AA), and with nonmagnetic GaAs...
Dubrovskii, Y. V., Vdovin, E. E., Patané, A., Brounkov, P. N., Larkin, I. A., Eaves, L., ...
We investigate resonant tunnelling in GaAs/(AlGa)As double- barrier resonant-tunnelling diodes in which a single layer of InAs self-assembled quantum dots is embedded in the centre of the GaAs...
Pouydebasque, A., Pogosov, A. G., Budantsev, M. V., Plotnikov, A. E., Toropov, A. I., Maude, D. K., ...
An experimental analysis of the negative magnetoresistance due to weak localization in a dense hexagonal lattice of antidots created from a two-dimensional electron gas formed at an AlGaAs/GaAs...
Nonzero Hall resistance in a spatially fluctuating magnetic field with zero mean (2001)
Bykov, A. A., Gusev, G. M., Leite, J. R., Bakarov, A. K., Moshegov, N. T., Maude, D. K., ...
Unconventional Landau states in the quantum well with embedded self-arranged quantum dots (2001)
Dubrovskii, Y. V., Volkov, V. A., Vdovin, E. E., Eaves, L., Main, P. C., Maude, D. K., ...
Coexistence of a two- and three-dimensional Landau states in a wide parabolic quantum well (2001)
Sergio, C. S., Gusev, G. M., Leite, J. R., Ol'shanetskiĭ, E. B., Bykov, A. A., Moshegov, N. T., ...
Magnetoresistance in a stripe-shaped two-dimensional electron gas (2001)
Bykov, A. A., Gusev, G. M., Leite, J. R., Moshegov, N. T., Bakarov, A. K., Toropov, A. I., ...
Resonant LO phonon enhanced conductivity in GaAs-AlAs superlattices (2001)
Dalton, K. S. H., Hales, V. J., Symons, D. M., Nicholas, R. J., Gassot, P., Maude, D. K., ...
Resistively detected NMR in the integer and fractional quantum Hall regimes (2001)
Desrat, W., Maude, D. K., Potemski, M., Portal, J. C., Wasilewski, Z. R., Hill, G., ...
Quantum Hall effect in a wide parabolic well (2001)
Gusev, G. M., Leite, J. R., Ol'shanetskiĭ, E. B., Moshegov, N. T., Toropov, A. I., Maude, D. K., ...
Phase diagram for the quantum Hall effect in a high-mobility AlGaN/GaN heterostructure (2001)
Harris, J. J., Lee, K. J., Maude, D. K., Portal, J. C., Wang, T., Sakai, S.
High pressure as a tool to study electron localization (2001)
Hill, R. J. A., Itskevich, I. E., Stoddart, S. T., Murphy, H. M., Thornton, A. S. G., Main, P. C., ...
Natural of the localized phase in a two-dimensional electron system (2001)
Itskevich, I. E., Hill, R. J. A., Stoddart, S. T., Murphy, H. M., Thornton, A. S. G., Main, P. C., ...
Small size gated gallistic interferometer on the basis AlGaAs/GaAs heterostructure (2001)
Kvon, Z. D., Ol'shanetskiĭ, E. B., Plotnikov, A. Y., Cassé, M., Maude, D. K., Portal, J. C., ...
IQHE and FQHE in a wire with incompressible and compressible strips (2001)
Kvon, Z. D., Ol'shanetskiĭ, E. B., Cassé, M., Plotnikov, A. Y., Maude, D. K., Portal, J. C., ...
Suppression of electron channelling in microscopic magnetic waveguides (2001)
Lawton, D. N., Nogaret, A., Bending, S. J., Maude, D. K., Portal, J. C., Henini, M.
Resistance resonance through magnetic edge states (2001)
Lawton, D. N., Nogaret, A., Bending, S. J., Maude, D. K., Portal, J. C., Henini, M.
Breakdown of the quantum Hall effect (2001)
Maude, D. K., Rigal, L. B., Desrat, W., Potemski, M., Portal, J. C., Eaves, L., ...
Nonlocal resistance of 2D electron gas in antidot lattice in quantum Hall effect regime (2001)
Pogosov, A. G., Budantsev, M. V., Kvon, Z. D., Pouydebasque, A., Maude, D. K., Portal, J. C.
Shift of geometrical resonances in a periodical lattice of antidots in tilted magnetic field (2001)
Pogosov, A. G., Budantsev, M. V., Pouydebasque, A., Entin, M. V., Maude, D. K., Portal, J. C., ...
Magneto infrared absorption in high electron density GaAs quantum wells (2001)
Poulter, A. J. L., Zeman, J., Maude, D. K., Potemski, M., Martinez, G., Riedel, A., ...
Polaron coupling in high density GaAs quantum wells (2001)
Poulter, A. J. L., Zeman, J., Maude, D. K., Potemski, M., Martinez, G., Riedel, A., ...
Electron phase coherence length in a lattice of antidots (2001)
Pouydebasque, A., Pogosov, A. G., Budantsev, M. V., Maude, D. K., Plotnikov, A. E., Toropov, A. I., ...
Weak localization in a lattice of antidots (2001)
Pouydebasque, A., Pogosov, A. G., Budantsev, M. V., Maude, D. K., Plotnikov, A. E., Toropov, A. I., ...
Breakdown of the quantum Hall effect in an electron-hole system (2001)
Takashina, K., Nicholas, R. J., Kardynal, B., Mason, N. J., Maude, D. K., Portal, J. C.
Edge effects in an insulating state of an electron-hole system in magnetic field (2001)
Takashina, K., Nicholas, R. J., Kardynal, B., Mason, N. J., Maude, D. K., Portal, J. C.
Insulating states of a 2-dimensional electron-hole system in high magnetic field (2001)
Takashina, K., Nicholas, R. J., Kardynal, B., Mason, N. J., Maude, D. K., Portal, J. C.
Relationship between classical and quantum lifetimes in AlGaN/GaN heterostructures (2001)
Lee, K. J., Harris, J. J., Wang, T., Sakai, S., Bougrioua, Z., Moerman, I., ...
Tunneling spectroscopy of quasi 2D magnetoplasmon (2001)
Volkov, V. A., Takhtamirov, E., Dubrovskii, Y. V., Ivanov, D. Y., Eaves, L., Main, P. C., ...
Resistance resonance through magnetic edge states (2001)
Lawton, D. N., Nogaret, A., Bending, S. J., Maude, D. K., Portal, J. C., Henini, M.
Studies of electrons properties of disordered of 2DE system by resonant tunnelling (2001)
Dubrovskii, Y. V., Volkov, V. A., Vdovin, E. E., Ivanov, D. Y., Popov, V. G., Khanin, Y. N., ...
Interaction between Landau levels of different two-dimensional subbands in GaAs (2001)
Ivanov, D. Y., Takhtamirov, E., Dubrovskii, Y. V., Volkov, V. A., Vdovin, E. E., Eaves, L., ...
Conductance noise and irreversibility in diluted magnetic semiconductors (2001)
Jaroszynski, J., Wrobel, J., Karczewski, G., Wojtowicz, T., Dietl, T., Kaminska, E., ...
Suppression of electron channelling in microscopic magnetic waveguides (2001)
Lawton, D. N., Nogaret, A., Bending, S. J., Maude, D. K., Portal, J. C., Henini, M.
Magneto Infrared Absorption in High Electron Density GaAs Quantum Wells (2001)
Friedland, K. J., Hey, R., Martinez, G., Maude, D. K., Potemski, M., Poulter, A. J. L., ...
Magneto infra-red absorption in high electronic density GaAs quantum wells (2000)
Poulter, A. J. L., Zeman, J., Maude, D. K., Potemski, M., Martinez, G., Riedel, A., ...
Magneto infra-red absorption measurements have been performed in a highly doped GaAs quantum well which has been lifted off and bonded to a silicon substrate, in order to study the resonant polaron...
Transport properties of a GaAs/AlGaAs ring interferometer in the tunneling regime (2000)
Bykov, A. A., Baksheev, D. G., Litvin, L. V., Migal, V. P., Ol'shanetskiĭ, E. B., Cassé, M., ...
Hall effect in a spatially fluctuating magnetic field with zero mean (2000)
Bykov, A. A., Gusev, G. M., Leite, J. R., Bakarov, A. K., Moshegov, N. T., Cassé, M., ...
The effect of DC bias in a ballistic single mode AlGaAs/GaAs ring interferometer (2000)
Cassé, M., Ol'shanetskiĭ, E. B., Kvon, Z. D., Maude, D. K., Portal, J. C.
Low-frequency impedance of quantized Hall conductors (2000)
Desrat, W., Maude, D. K., Rigal, L. B., Potemski, M., Portal, J. C., Eaves, I., ...
Magnetooscillations of electrons in nonparabolic confining potential (2000)
Gusev, G. M., Leite, J. R., Ol'shanetskiĭ, E. B., Maude, D. K., Cassé, M., Portal, J. C., ...
A digital quantum Hall effect (2000)
Nicholas, R. J., Lakrimi, M., Kardynal, B., Khym, S., Mason, N. J., Rehman, J., ...
Symmetric, gated, ballistic rings as tunable electron interferometers (2000)
Ol'shanetskiĭ, E. B., Cassé, M., Kvon, Z. D., Gusev, G. M., Litvin, L. V., Plotnikov, A. V., ...
Electron magnetotransport in a honeycomb lattice of antidots (2000)
Pogosov, A. G., Budantsev, M. V., Pouydebasque, A., Maude, D. K., Portal, J. C., Plotnikov, A. E., ...
Semi-classical orbits in a caterpillar like Sinai billiard (2000)
Pouydebasque, A., Budantsev, M. V., Pogosov, A. G., Kvon, Z. D., Maude, D. K., Portal, J. C.
A phase diagram for the breakdown of the odd integer quantum Hall effect (2000)
Rigal, L. B., Maude, D. K., Potemski, M., Portal, J. C., Eaves, L., Wasilewski, Z. R., ...
Metal-insulator oscillations in a two-dimensional electron-hole system (2000)
Nicholas, R. J., Takashina, K., Lakrimi, M., Kardynal, B., Khym, S., Mason, N. J., ...
Lead telluride wide quantum wells: a realisation of the Hall insulator in 3D (2000)
Oswald, J., Ganitzer, P., Homer, A., Jamnig, B., Trieb, C., Maude, D. K., ...
Metal-Insulator oscillations in a Two-dimensional Electron-Hole system (1999)
Nicholas, R. J., Takashina, K., Lakrimi, M., Kardynal, B., Khym, S., Mason, N. J., ...
The electrical transport properties of a bipolar InAs/GaSb system have been studied in magnetic field. The resistivity oscillates between insulating and metallic behaviour while the quantum Hall...
Quantum hall effect in a wide parabolic quantum well (1999)
Gusev,G.M., Leite,J.R., Olshanetskii,E.B., Maude,D.K., Cassé,M., Portal,J.C., ...
We investigate the activated conductivity for Landau levels at lling factors v =1,2 in a parabolic Al xGa1-x As well down to 30 mK. We obtain a very small activation energy ~ 0.02 meV, which is...
Shin, D. H., Becker, C. E., Harris, J. J., Fernandez, J. M., Woods, N. J., Thornton, T. J., ...
Shubnikov-de Haas (SdH) measurements between 0.04 and 4.2K have been performed on two modulation-doped n-type Si/Si0.7Ge0.3 heterostructures, and the temperature dependence of the resistivity minima...
The influence of high magnetic fields and electron transport in semiconductor superlattices. (1999)
Kido, G., Eaves, L., Murphy, H. M., Nogaret, A., Stoddart, S. T., Main, P. C., ...
Resonant tunneling through single thin barrier heterostructure with spacer layers. (1999)
Alferov, Z., Esaki, L., Khanin, Y. N., Vdovin, E. E., Dubrovskii, Y. V., Maude, D. K., ...
Breakdown of the quantum Hall effect: a phase diagram? (1999)
Kido, G., Maude, D. K., Rigal, L. B., Eaves, L., Potemski, M., Wasilewski, Z. R., ...
Phase diagram for the breakdown of the quantum Hall effect. (1999)
Rigal, L. B., Maude, D. K., Potemski, M., Portal, J. C., Eaves, L., Wasilewski, Z. R., ...
Gold-hydrogen complexes in silicon. (1999)
Rubaldo, L., Deixler, P., Hawkins, I. D., Terry, J., Maude, D. K., Portal, J. C., ...
Quantum Hall effect in a wide parabolic quantum well. (1999)
Gusev, G. M., Leite, J. R., Ol'shanetskiĭ, E. B., Maude, D. K., Cassé, M., Portal, J. C., ...
Symmetric, gated, ballistic rings as tunable electron interferometers. (1999)
Hawrylak, P., Ol'shanetskiĭ, E. B., Cassé, M., Kvon, Z. D., Gusev, G. M., Litvin, L. V., ...
Searches for Skyrmions in the Limit of Zero g-Factor (1998)
Leadley, D. R., Nicholas, R. J., Maude, D. K., Utjuzh, A. N., Portal, J. C., Harris, J. J., ...
Energy gaps have been measured for the ferromagnetic quantum Hall effect states at v=1 and 3 in GaAs/GaAlAs heterojunctions as a function of Zeeman energy, which is reduced to zero by applying...
2D Lattice of coupled Sinai billiards: metal or insulator at g (1998)
Budantsev, M. V., Kvon, Z. D., Pogosov, A. G., Gusev, G. M., Portal, J. C., Maude, D. K., ...
We investigate the transport in a two-dimensional (2D) lattice of coupled Sinai billiards fabricated on the basis of a high-mobility 2D electron gas in GaAs/AlGaAs heterojunction. For the states with...
Emission from a two-dimensional electron gas in quantizing magnetic fields. (1998)
Potemski, M., Gravier, L., Truby, A., Maude, D. K., Hawrylak, P., Wasilewski, Z. W., ...
Percolation network in a smooth artificial potential. (1998)
Gusev, G. M., Gennser, U., Kleber, X., Maude, D. K., Portal, J. C., Lubyshev, D. I., ...
S-shaped current bistability in a bipolar resonant tunneling diode. (1998)
Kuhn, O., Genoe, J., Maude, D. K., Portal, J. C., Eaves, L., Henini, M., ...
Magnetic breakdown in the semimetallic InAs/GaSb system. (1998)
Symons, D. M., Lakrimi, M., Nicholas, R. J., Maude, D. K., Portal, J. C., Mason, N. J., ...
Temperature dependence of mobility in n-type short period Si-Ge superlattices. (1998)
Pearsall, T. P., Di Vergilio, A., Gassot, P., Maude, D. K., Presting, H., Kasper, E., ...
Subband structure and anomalous valley splitting in ultra-thin silicon-on-insulator MOSFET's. (1998)
Ouisse, T., Maude, D. K., Horiguchi, S., Ono, Y., Takahashi, Y., Murase, K., ...
Magneto-acoustic phonon antiresonances in Wannier-Stark superlattices. (1998)
Nogaret, A., Eaves, L., Main, P. C., Henini, M., Maude, D. K., Portal, J. C., ...
Exchange splitting and spin disorder scattering in TmAs. (1998)
Rigal, L. B., Maude, D. K., Portal, J. C., Bennett, M., Singer, K. E., Peaker, A. R., ...
Skyrmion excitations in the limit of vanishing Landé g-factor. (1998)
Maude, D. K., Marty, S., Rigal, L. B., Potemski, M., Portal, J. C., Wasilewski, Z. W., ...
Searches for skyrmions in the limit of zero g-factor. (1998)
Leadley, D. R., Nicholas, R. J., Maude, D. K., Utjuzh, A. N., Portal, J. C., Harris, J. J., ...
Measurement of composite skyrmions at filling factor 1/3. (1998)
Leadley, D. R., Nicholas, R. J., Maude, D. K., Utjuzh, A. N., Portal, J. C., Harris, J. J., ...
Magnetic characterization of self-organized ErAs clusters using telegraph noise spectroscopy. (1998)
Coppinger, F., Genoe, J., Maude, D. K., Kleber, X., Rigal, L. B., Gennser, U., ...
Manifestation of charge-flux duality in a 2D electron gas near filling factor = 1/2. (1998)
Gusev, G. M., Kvon, Z. D., Ol'shanetskiĭ, E. B., Maude, D. K., Kleber, X., Portal, J. C.
Spin-splitting collapse in a 2D electron gas in AlGaAs/GaAs heterostructure. (1998)
Gusev, G. M., Kvon, Z. D., Ol'shanetskiĭ, E. B., Maude, D. K., Portal, J. C.
Skyrmions and composite fermions in the limit of vanishing Zeeman energy (1998)
R J Nicholas, D R Leadley, D K Maude, J C Portal, J J Harris, C T Foxon
Abstract. We describe the properties of a strongly interacting two-dimensional (2D) electron gas in high magnetic fields whose properties can be described in terms of the formation of composite...
Searches for skyrmions in the limit of zero g-factor (1998)
D R Leadley, R J Nicholas, D K Maude, A N Utjuzh, J C Portal, J J Harris, ...
Abstract. Energy gaps have been measured for the ferromagnetic quantum Hall effect states at ν = 1 and 3 in GaAs/Ga0.7Al0.3As heterojunctions as a function of Zeeman energy, which is reduced to zero...
Brunthaler, G., Dietl, T., Prinz, A., Sawicki, M., Jaroszynski, J., Glod, P., ...
A metal-insulator transition was induced by in-plane magnetic fields up to 27 T in homogeneously Sb-doped Si/SiGe superlattice structures. The localisation is not observed for perpendicular magnetic...
Edge Channel Dominated Magnetotransport in PbTe Wide Parabolic Quantum Wells (1997)
Oswald, J., Span, G., Homer, A., Heigl, G., Ganitzer, P., Maude, D. K., ...
In PbTe wide parabolic quantum wells (WPQW) a plateau-like structure is observed in the Hall resistance, which corresponds to the Shubnikov-de Haas oscillations in the same manner as known from the...
Phasecoherent Transport in PbTe Wide Parabolic Quantum Wells (1997)
Oswald, J., Span, G., Homer, A., Heigl, G., Ganitzer, P., Maude, D. K., ...
Conductance fluctuations have been observed in macroscopic, quasi 3D PbTe wide quantum wells. A significant increase of the correlation field occurs in a temperature range from 40 mK to 1.2K. At the...
Magnetotransport in wide parabolic PbTe quantum wells (1997)
Oswald, J., Heigl, G., Pippan, M., Span, G., Stellberger, T., Maude, D. K., ...
The 3D- and 2D- behaviour of wide parabolic PbTe single quantum wells, which consist of PbTe p-n-p-structures, are studied theoretically and experimentally. A simple model combines the 2D- subband...
Conductance Fluctuations in PbTe Wide Parabolic Quantum Wells (1997)
Oswald, J., Heigl, G., Span, G., Homer, A., Ganitzer, P., Maude, D. K., ...
We report on conductance fluctuations which are observed in local and non-local magnetotransport experiments. Although the Hall bar samples are of macroscopic size, the amplitude of the fluctuations...
Quenching of the Quantum Hall Effect in PbTe Wide Parabolic Quantum Wells (1997)
Oswald, J., Heigl, G., Span, G., Homer, A., Ganitzer, P., Maude, D. K., ...
We show that for the case of a many valley host semiconductor an edge channel (EC) related non-local behaviour can persist also in the 3D-regime where the quantum Hall effect (QHE) is already...
Non Local Transport in PbTe Wide Parabolic Quantum Wells (1997)
Oswald, J., Heigl, G., Span, G., Homer, A., Ganitzer, P., Maude, D. K., ...
The results of non-local experiments in different contact configurations are discussed in terms of a non-local behaviour of the contact arms. It is shown that the observed reproducible fluctuations...
Anomalous magnetotransport in wide quantum wells (1997)
Oswald, J., Span, G., Homer, A., Heigl, G., Ganitzer, P., Maude, D. K., ...
We present magneto transport experiments of quasi 3D PbTe wide quantum wells. A plateau-like structure in the Hall resistance is observed, which corresponds to the Shubnikov de Haas oscillations in...
Fractional Quantum Hall Effect Measurements at Zero g-Factor (1997)
Leadley, D. R., Nicholas, R. J., Maude, D. K., Utjuzh, A. N., Portal, J. C., Harris, J. J., ...
Fractional quantum Hall effect energy gaps have been measured in GaAs/GaAlAs heterojunctions as a function of Zeeman energy, which is varied by applying hydrostatic pressure up to 20 kbar. The gap at...