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Quantum Theory Project

xgz@ufl.edu






























































Xiaoguang Zhang

Professor


Education

PhD, Physics, Northwestern University, 1989 MS, Physics, Northwestern University, 1985 BS, Physics, Peking University, 1983


Research Group

Quantum Theory Project


Research Interest

1. Theory and modeling of electron transport in magnetic tunnel junctions, molecular junctions, polymers and nanoscale materials.
2. Calculation of electron mobility and defect capture cross section in semiconductors.
3. Image informatics for scanning tunneling potentiometry.


Publications

Energy convexity as a consequence of decoherence and pair-extensive interactions in many-electron systems
A Gonis, XG Zhang, DM Nicholson, GM Stocks
Journal of Physics and Chemistry of Solids 75 (5), 680-687

Energy Gap Induced by Friedel Oscillations Manifested as Transport Asymmetry at Monolayer-Bilayer Graphene Boundaries
KW Clark, XG Zhang, G Gu, J Park, G He, RM Feenstra, AP Li
Physical Review X 4 (1), 011021

Self-entanglement and the dissociation of homonuclear diatomic molecules
A Gonis, XG Zhang, DM Nicholson, GM Stocks
Molecular Physics 112 (3-4), 453-461

Spatially Resolved Mapping of Electrical Conductivity across Individual Domain (Grain) Boundaries in Graphene
KW Clark, XG Zhang, IV Vlassiouk, G He, RM Feenstra, AP Li
ACS nano 7 (9), 7956-7966

Polaronic transport and current blockades in epitaxial silicide nanowires and nanowire arrays V Iancu, XG Zhang, TH Kim, LD Menard, PRC Kent, ME Woodson, ...
Nano letters 13 (8), 3684-3689

Spin-dependent tunneling conductance of Fe| MgO| Fe sandwiches
WH Butler, XG Zhang, TC Schulthess, JM MacLaren
Physical Review B 63 (5), 054416

Layer KKR approach to Bloch-wave transmission and reflection: Application to spin-dependent tunneling
JM MacLaren, XG Zhang, WH Butler, X Wang
Physical Review B 59 (8), 5470

Large magnetoresistance in bcc Co/ Mg O/ Co and Fe Co/ Mg O/ Fe Co tunnel junctions
XG Zhang, WH Butler
Physical Review B 70 (17), 172407

Coherent electron transport through an azobenzene molecule: A light-driven molecular switch
C Zhang, MH Du, HP Cheng, XG Zhang, AE Roitberg, JL Krause
Physical review letters 92 (15), 158301

Effects of the iron-oxide layer in Fe-FeO-MgO-Fe tunneling junctions
XG Zhang, WH Butler, A Bandyopadhyay
Physical Review B 68 (9), 092402



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