Strong crystal size effect on deformation twinning (2010)
Qian Yu, Zhi-Wei Shan, Ju Li, Xiaoxu Huang, Lin Xiao, Jun Sun, ...
In situ imaging of layer-by-layer sublimation of suspended graphene (2010)
Huang, Jian Yu, Qi, Liang, Li, Ju
An individual suspended graphene sheet was connected to a scanning tunneling microscopy probe inside a transmission electron microscope, and Joule heated to high temperatures. At high temperatures...
Liu, Ping, Li, Ju, Zhang, Yong-wei
Coarse-grained molecular dynamics simulations are performed to obtain the phase diagram for shapes of a vesicle with a variation in temperature and pressure difference across the membrane. Various...
Costs of screening children for hearing disorders and delivery of hearing aids in China (2009)
Baltussen, Rob, Li, Ju, Wu, Li, Ge, Xiao, Teng, Bai, Sun, Xi, ...
Abstract Background The burden of disease of hearing disorders among children is high, but a large part goes undetected. School-based screening programs in combination with the delivery of hearing...
Quasiatomic orbitals for ab initio tight-binding analysis (2008)
Qian, Xiaofeng, Li, Ju, Qi, Liang, Wang, Cai-Zhuang, Chan, Tzu-Liang, Yao, Yong-Xin, ...
Wave functions obtained from plane-wave density-functional theory (DFT) calculations using norm-conserving pseudopotential, ultrasoft pseudopotential, or projector augmented-wave method are...
Near Neutrality of an Oxygen Molecule Adsorbed on a Pt(111) Surface (2008)
Qi, Liang, Qiang, Xiaofeng, Li, Ju
The charge state of paramagnetic or nonmagnetic O2 adsorbed on a Pt(111) surface is analyzed using density functional theory. We find no significant charge transfer between Pt and the two adsorbed...
Temperature and Strain-Rate Dependence of Surface Dislocation Nucleation (2008)
Zhu, Ting, Li, Ju, Samanta, Amit, Leach, Austin, Gall, Ken
Dislocation nucleation is essential to the plastic deformation of small-volume crystalline solids. The free surface may act as an effective source of dislocations to initiate and sustain plastic...
Li, Ju, Lenosky, Thomas J, Först, Clemens J, Yip, Sidney
Refractory diboride with silicon carbide additive has a unique oxide scale microstructure with two condensed oxide phases (solid+liquid), and demonstrates oxidation resistance superior to either...
Shan, Z. W, Li, Ju, Cheng, Y. Q, Minor, A. M., Syed Asif, S. A, Warren, O. L., ...
We report in situ nanocompression tests of Cu-Zr-Al metallic glass (MG) pillars in a transmission electron microscope. This technique is capable of spatially and temporally resolving the plastic flow...
Hydrostatic compression and high-pressure elastic constants of coesite silica (2008)
Ogata, Shigenobu, Kimizuka, Hajime, Li, Ju
Using density-functional theory, we computed all the independent elastic constants of coesite, a high-pressure polymorph of silica, as functions of pressure up to 15 GPa. The results are in good...
Rob Baltussen, Ju Li, Li Dong Wu, Xiao Hui Ge, Bai Yu Teng, Xi Bin Sun, ...
Research article Costs of screening children for hearing disorders and delivery of hearing aids in China
Ju Li, Dongyi Liao, Sidney Yip
We formulate a method for imposing continuous field boundary conditions on an MD simulation with little or no disturbance to its dynamics. Our approach combines the previously developed thermodynamic...
Futoshi Shimizu, Hajime Kimizuka, Hideo Kaburaki, Ju Li
Parallel Molecular Dynamics Stencil has been developed to execute effectively large-scale parallel molecular dynamics simulations. The Stencil is adapted to varieties of molecular dynamics...
Ju Li, Sidney Yip, Jinghan Wang, I. Stress, Strain, Elastic Constants
Homogeneous deformation is investigated systematically.
In this the second part of a theoretical study of the thermal properties of crystalline fi-SiC, the thermal conductivity is calculated by using molecular dynamics simulation to evaluate directly the...
Notes on Adiabatic Invariants (2007)
Adiabatic invariance, an approximate conservation law, is a general result for any dynamical system that can be described by a Hamiltonian and which follows periodic motion. The problem was first...
In this the second part of a theoretical study of the thermal properties of crystalline fi-SiC, the thermal conductivity is calculated by using molecular dynamics simulation to evaluate directly the...
THERMAL CONDUCTIVITY OF SOLID ARGON BY CLASSICAL MOLECULAR DYNAMICS (2007)
Following the Green-Kubo formalism in linear response theory, the lattice thermal conductivity of solid argon is determined by using classical molecular dynamics simulation to calculate the heat...
Beyond the Maxwell Limit: Thermal Conduction in Nanofluids with Percolating Fluid Structures (2007)
Eapen, Jacob, Li, Ju, Yip, Sidney
In a well-dispersed nanofluid with strong cluster-fluid attraction, thermal conduction paths can arise through percolating amorphous-like interfacial structures. This results in a thermal...
Qian, Xiaofeng, Li, Ju, Lin, Xi, Yip, Sidney
A practical computational scheme based on time-dependent density functional theory (TDDFT) and ultrasoft pseudopotential (USPP) is developed to study electron dynamics in real time. A modified...
The Gap-Tooth Method in Particle Simulations (2003)
Gear, C. William, Li, Ju, Kevrekidis, Ioannis G.
We explore the gap-tooth method for multiscale modeling of systems represented by microscopic physics-based simulators, when coarse-grained evolution equations are not available in closed form. A...
Rank tests of association for exchangeable paired survival data [microform] / (2003)
Thesis (Ph. D.)--Yale University, 2003.
Rank tests of association for exchangeable paired survival data / (2003)
Thesis (Ph. D.)--Yale University, 2003.
Li, Ju, Kevrekidis, Panayotis G., Gear, C. William, Kevrekidis, Ioannis G.
Recent developments in multiscale computation allow the solution of ``coarse equations'' for the expected macroscopic behavior of microscopically/stochastically evolving particle distributions...
Atomistic mechanisms governing elastic limit and incipient plasticity in crystals (2002)
Ju Li, Krystyn J. Van Vliet, Ting Zhu, Sidney Yip, Subra Suresh
Anisotropic Elastic Interactions of a Periodic Dislocation Array (2001)
Bulatov, Vasily V., Cai, Wei, Chang, Jinpeng, Li, Ju, Yip, Sidney
Theoretical Analysis of Conductance of Molecular Junctions (1998)
The underlying motivation of this project is a fresh look at the theoretical description of electron transport across molecular junctions. In contrast to the current method which is based on the...
Increasing industrial productivity through robot trajectory optimization (1998)
The direct optimization codes recently developed at the University of Heidelberg, have made it possible to numerically solve the optimal control problem, including state inequality constraints, for...
Increasing industrial productivity through robot trajectory optimization / (1998)
Thesis (Ph. D.)--Columbia University, 1998.
Department: Mechanical Engineering.
Increasing industrial productivity through robot trajectory optimization (1998)
Department: Mechanical Engineering.
Multiple self-localized electronic states in trans-polyacetylene
Lin, Xi, Li, Ju, Först, Clemens J., Yip, Sidney
Electronic structure calculations on a conjugated polymer chain by Hartree–Fock and density functional theory show a sequence of self-localized states, which stand in contrast to the single...
Multiple self-localized electronic states in trans-polyacetylene
Lin, Xi, Li, Ju, Först, Clemens J., Yip, Sidney
Electronic structure calculations on a conjugated polymer chain by Hartree–Fock and density functional theory show a sequence of self-localized states, which stand in contrast to the single...
Interfacial plasticity governs strain rate sensitivity and ductility in nanostructured metals
Zhu, Ting, Li, Ju, Samanta, Amit, Kim, Hyoung Gyu, Suresh, Subra
Nano-twinned copper exhibits an unusual combination of ultrahigh strength and high ductility, along with increased strain-rate sensitivity. We develop a mechanistic framework for predicting the rate...
Cytoskeletal dynamics of human erythrocyte
Li, Ju, Lykotrafitis, George, Dao, Ming, Suresh, Subra
The human erythrocyte (red blood cell, RBC) demonstrates extraordinary ability to undergo reversible large deformation and fluidity. Such mechanical response cannot be consistently rationalized on...
Ductile crystalline–amorphous nanolaminates
Wang, Yinmin, Li, Ju, Hamza, Alex V., Barbee, Troy W.
It is known that the room-temperature plastic deformation of bulk metallic glasses is compromised by strain softening and shear localization, resulting in near-zero tensile ductility. The...
YMD: a microarray database for large-scale gene expression analysis.
Cheung, Kei-Hoi, White, Kevin, Hager, Janet, Gerstein, Mark, Reinke, Valerie, Nelson, Kenneth, ...
The use of microarray technology to perform parallel analysis of the expression pattern of a large number of genes in a single experiment has created a new frontier of medical research. The vast...
Costs of screening children for hearing disorders and delivery of hearing aids in China
Baltussen, Rob, Li, Ju, Wu, Li Dong, Ge, Xiao Hui, Teng, Bai Yu, Sun, Xi Bin, ...
In situ observation of graphene sublimation and multi-layer edge reconstructions
Huang, Jian Yu, Ding, Feng, Yakobson, Boris I., Lu, Ping, Qi, Liang, Li, Ju
We induced sublimation of suspended few-layer graphene by in situ Joule-heating inside a transmission electron microscope. The graphene sublimation fronts consisted of mostly {1100} zigzag edges....