Multiple conducting carriers generated in LaAlO3/SrTiO3 heterostructures (2009)
Seo, S. S. A., Marton, Z., Choi, W. S., Hassink, G. W. J., Blank, D. H. A., Hwang, H. Y., ...
We have found that there is more than one type of conducting carriers generated in LaAlO3/SrTiO3 heterostructures by comparing the sheet carrier density and mobility from optical transmission...
Freeland, J. W., Chakhalian, J., Boris, A. V., Kavich, J. J., Yordanov, P., ...
A combination of spectroscopic probes was used to develop a detailed experimental description of the transport and magnetic properties of superlattices composed of the paramagnetic metal CaRuO$_3$...
Nonlinear Dynamics of Domain Wall Propagation in Epitaxial Ferroelectric Thin Films (2009)
Jo, J. Y., Yang, S. M., Kim, T. H., Lee, H. N., Park, S., ...
We investigated the ferroelectric domain wall propagation in epitaxial Pb(Zr,Ti)O3 thin films over a wide temperature range (3 - 300 K). We measured the domain wall velocity under various electric...
Community-based intervention to optimise falls risk management: a randomised controlled trial (2009)
Ciaschini, P.M., Straus, S.E., Dolovich, L.R., Goeree, R.A., Leung, K.M., Woods, C.R., ...
Background: falls are the leading causes of accidental death and fragility fractures in older adults. Interventions that assess and reduce falls risk are underutilised. Objective: to evaluate the...
Yang, S. M., Jo, J. Y., Kim, D. J., Sung, H., Noh, T. W., Lee, H. N., ...
We investigated the time-dependent domain wall motion of epitaxial PbZr0.2Ti0.8O3 capacitors 100 nm-thick using modified piezoresponse force microscopy (PFM). We obtained successive domain evolution...
and M. Metz. Silicon nano-transistors for logic applications. Physica E: Lowdimensional (2008)
A. Visinoiu, R. Scholz, S. Chattopadhyay, M. Alexe, A. Visinoiu, ...
thin films deposited on Si by ion beam sputtering: microstructure and dielectric properties.
Optical study of the free-carrier response of LaTiO₃/SrTiO₃ superlattices (2008)
Seo, S. S. A., Choi, W. S., Lee, H. N., Yu, Li, Kim, Kyungwan W., Bernhard, Christian, ...
We used infrared spectroscopic ellipsometry to investigate the electronic properties of LaTiO₃/SrTiO₃ superlattices (SLs). Our results indicated that, independent of the SL periodicity and...
Optical study of the free-carrier response of LaTiO₃/SrTiO₃ superlattices (2008)
Seo, S. S. A., Choi, W. S., Lee, H. N., Yu, Li, Kim, Kyungwan W., Bernhard, Christian, ...
We used infrared spectroscopic ellipsometry to investigate the electronic properties of LaTiO₃/SrTiO₃ superlattices (SLs). Our results indicated that, independent of the SL periodicity and...
Optical Study of the Free Carrier Response of LaTiO3/SrTiO3 Superlattices (2007)
Seo, S. S. A., Choi, W. S., Lee, H. N., Yu, L., Kim, K. W., Bernhard, C., ...
We used infrared spectroscopic ellipsometry to investigate the electronic properties of LaTiO3/SrTiO3 superlattices (SLs). Our results indicated that, independent of the SL periodicity and individual...
Kalinin, Sergei V., Jesse, S., Borisevich, A. Y., Lee, H. N., Rodriguez, B. J., Hanson, J., ...
Strong coupling between electrical and mechanical phenomena and the presence of switchable polarization have enabled applications of ferroelectric materials for nonvolatile memories (FeRAM), data...
Kim, J.H., Kim, S.W., Lee, H.N., Oh, M.H., Inui, H., Wee, D.M.
The thermal stability of the lamellar microstructure in TiAl–Nb alloys containing Si and C has been investigated by partial melting experiments. The proper compositions, where the lamellar...
Lee, Sang Young, Lee, J. H., Han, Jung Hoon, Moon, S. H., Lee, H. N., Booth, James C., ...
The surface resistance (Rs) and the real part (sigma_1) of the microwave complex conductivity of a ~380 nm-thick polycrystalline MgB2 film with the critical temperature (Tc) of 39.3 K were...
Compositionally asymmetric tri-color superlattices grown by pulsed laser deposition (2004)
Lee, H.N., Christen, H.M., Rouleau, C.M., Senz, S., Lee, S.K., Hesse, D., ...
Christen, H. M., Rouleau, C. M., Ohkubo, I., Zhai, H. Y., Lee, H. N., Sathyamurthy, S., ...
A new method for continuous compositional-spread (CCS) thin-film fabrication based on pulsed-laser deposition (PLD) is introduced. This approach is based on a translation of the substrate heater and...
Yates, K. A., Burnell, G., Stelmashenko, N. A., Lee, H. N., Oh, B., ...
The Raman spectrum of the superconductor MgB$_{2}$ has been measured as a function of the Tc of the film. A striking correlation is observed between the $T_{c}$ onset and the frequency of the...
Effects of Ion Milling on the Microwave Properties of MgB2 Films (2002)
Lee, Sang Young, Lee, J. H., Lim, J., Lee, H. N., Moon, S. H., Oh, B., ...
The new superconductor MgB2 may prove useful for microwave applications at intermediate temperatures. MgB2 films with the thickness of 300 - 400 nm have surface resistance Rs less than 0.01 mOhms at...
Initial growth stages of epitaxial BaTiO3 films on vicinal (001) SrTiO3 substrate surfaces (2002)
Visinoiu, A., Alexe, M., Lee, H. N., Zakharov, N. D., Pignolet, A., Hesse, D., ...
Initial growth stages of BaTiO3 thin films on Nb-doped SrTiO3 substrates (2002)
Visinoiu, A., Alexe, M., Lee, H. N., Harnagea, C., Zakharov, D. N., Pignolet, A., ...
Recent developments in the characterization of superconducting films by microwaves (2001)
Hein, M. A., Getta, M., Kreiskott, S., Moenter, B., Piel, H., Oates, D. E., ...
We describe and analyze selected surface impedance data recently obtained by different groups on cuprate, ruthenate and diboride superconducting films on metallic and dielectric substrates for...
Planar Superconductor-Normal-Superconductor Josephson Junctions in MgB2 (2001)
Burnell, G., Lee, H. N., Moon, S. H., Oh, B., Blamire, M. G.
Since the discovery of superconductivity in MgB2 considerable progress has been made in determining the physical properties of the material, which are promising for bulk conductors. Tunneling studies...
Lee, Sang Young, Lee, J. H., Lee, Jung Hun, Ryu, J. S., Lim, J., Moon, S. H., ...
The microwave surface resistance Rs of MgB2 films with the zero-resistance temperature of - 39 K was measured at 8.0 - 8.5 GHz. The MgB2 films were prepared by deposition of boron films on c-cut...
High critical current densities in superconducting MgB2 thin films (2001)
Moon, S. H., Yun, J. H., Lee, H. N., Kye, J. I., Kim, H. G., Chung, W., ...
Superconducting MgB2 thin films were prepared on Al2O3(0001) and MgO(100) substrates. Boron thin films were deposited by the electron-beam evaporation followed by post-annealing process with...