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67 papers · 1 filter
Magneto-resistance up to 60 Tesla in Topological Insulator Bi2Te3 Thin Films
S. X. Zhang, R. D. McDonald, A. Shekhter +4
We report magneto-transport studies of topological insulator Bi_{2}Te_{3} thin films grown by pulsed laser deposition. A non-saturating linear-like magneto-resistance (MR) is obser…
Successive magnetic phase transitions and multiferroicity in Spin-1 triangular lattice antiferromagnet BaNiNbO
J. Hwang, E. S. Choi, F. Ye +4
We report the magnetic and electric properties of BaNiNbO, which is a quasi-two-dimensional spin-1 triangular lattice antiferromagnet (TLAF) with trigonal structure. At…
Edge spin excitations and reconstructions of integer quantum Hall liquids
Yuhui Zhang, Kun Yang
We study the effect of electron-electron interaction on the charge and spin structures at the edge of integer quantum Hall liquids, under three different kinds of confining potenti…
Competition between the structural phase transition and superconductivity in IrPtTe as revealed by pressure effects
A. Kiswandhi, J. S. Brooks, H. B. Cao +4
Pressure-dependent transport measurements of IrPtTe are reported. With increasing pressure, the structural phase transition at high temperatures is enhanced while i…
Distinguishing particle-hole conjugated Fractional Quantum Hall states using quantum dot mediated edge transport
Hsin-Hua Lai, Kun Yang
We study theoretically edge transport of a fractional quantum Hall liquid, in the presence of a quantum dot inside the Hall bar with well controlled electron density and Landau lev…
Artificial and self-assembled pinning centers in Ba(Fe1-xCox)2As2 thin films as a route to very high current density
C. Tarantini, S. Lee, F. Kametani +7
We report on the superior vortex pinning of single and multilayer Ba(Fe1-xCox)2As2 thin films with self-assembled c-axis and artificially introduced ab-plane pins. Ba(Fe1-xCox)2As2…