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Strong interband Faraday rotation in 3D topological insulator Bi2Se3
L. Ohnoutek, M. Hakl, M. Veis +11
The Faraday effect is a representative magneto-optical phenomenon, resulting from the transfer of angular momentum between interacting light and matter in which time-reversal symme…
Disorder-induced stabilization of the quantum Hall ferromagnet
B. A. Piot, W. Desrat, D. K. Maude +3
We report on an absolute measurement of the electronic spin polarization of the integer quantum Hall state. The spin polarization is extracted in the vicinity of (inclu…
Magneto-resistance quantum oscillations in a magnetic two-dimensional electron gas
J. Kunc, B. A. Piot, D. K. Maude +7
Magneto-transport measurements of Shubnikov-de Haas (SdH) oscillations have been performed on two-dimensional electron gases (2DEGs) confined in CdTe and CdMnTe quantum wells. The…
Valley polarization assisted spin polarization in two dimensions
V. T. Renard, B. A. Piot, X. Waintal +7
Valleytronics is rapidly emerging as an exciting area of basic and applied research. In two dimensional systems, valley polarisation can dramatically modify physical properties thr…
High field termination of a Cooper-pair insulator
B. Sacepe, J. Seidemann, M. Ovadia +5
We conducted a systematic study of the disorder dependence of the termination of superconductivity, at high magnetic fields (B), of amorphous indium oxide films. Our lower disorder…
Quality heterostructures from two dimensional crystals unstable in air by their assembly in inert atmosphere
Y. Cao, A. Mishchenko, G. L. Yu +16
Many layered materials can be cleaved down to individual atomic planes, similar to graphene, but only a small minority of them are stable under ambient conditions. The rest reacts…