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Coherent Heteroepitaxy of Bi2Se3 on GaAs (111)B
A. Richardella, D. M. Zhang, J. S. Lee +6
We report the heteroepitaxy of single crystal thin films of Bi2Se3 on the (111)B surface of GaAs by molecular beam epitaxy. We find that Bi2Se3 grows highly c-axis oriented, with a…
Evidence for electron-electron interaction in topological insulator thin films
Jian Wang, Ashley M. DaSilva, Cui-Zu Chang +6
We consider in our work high quality single crystal thin films of Bi2Se3, grown by molecular beam epitaxy, both with and without Pb doping. Our ARPES data demonstrate topological s…
Spin Control of Drifting Electrons using Local Nuclear Polarization in Ferromagnet/Semiconductor Heterostructures
M. E. Nowakowski, G. D. Fuchs, S. Mack +2
We demonstrate methods to locally control the spin rotation of moving electrons in a GaAs channel. The Larmor frequency of optically-injected spins is modulated when the spins are…