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Hedgehog Spin-texture and Berry's Phase tuning in a Magnetic Topological Insulator
Su-Yang Xu, Madhab Neupane, Chang Liu +18
Understanding and control of spin degrees of freedom on the surfaces of topological materials are key to future applications as well as for realizing novel physics such as the axio…
Growth and Characterization of Hybrid Insulating Ferromagnet-Topological Insulator Heterostructure Devices
A. Kandala, A. Richardella, D. W. Rench +3
We report the integration of the insulating ferromagnet GdN with epitaxial films of the topological insulator Bi2Se3 and present detailed structural, magnetic and transport charact…
Perpendicular Magnetization and Generic Realization of the Ising Model in Artificial Spin Ice
Sheng Zhang, Jie Li, Ian Gilbert +11
We have studied frustrated kagome arrays and unfrustrated honeycomb arrays of magnetostatically-interacting single-domain ferromagnetic islands with magnetization normal to the pla…
Magnetically induced spin reorientation on the surface of a topological insulator (a surface magnetic topological insulator MBE film)
Su-Yang Xu, M. Neupane, Chang Liu +18
The surface of topological insulators is proposed as a promising platform for spintronics and quantum information applications. In particular, when time- reversal symmetry is broke…
Measurement and simulation of anisotropic magnetoresistance in single GaAs/MnAs core/shell nanowires
J. Liang, J. Wang, A. Paul +6
We report four probe measurements of the low field magnetoresistance in single core/shell GaAs/MnAs nanowires synthesized by molecular beam epitaxy, demonstrating clear signatures…