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Cubic Rashba Spin-Orbit Interaction of a Two-Dimensional Hole Gas in a Strained-Ge/SiGe Quantum Well

URN to cite this document:
urn:nbn:de:bvb:355-epub-307504
Moriya, Rai ; Sawano, Kentarou ; Hoshi, Yusuke ; Masubuchi, Satoru ; Shiraki, Yasuhiro ; Wild, Andreas ; Neumann, Christian ; Abstreiter, Gerhard ; Bougeard, Dominique ; Koga, Yasuhiro ; Machida, Tomoki
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Date of publication of this fulltext: 15 Sep 2014 13:18


Abstract

The spin-orbit interaction (SOI) of a two-dimensional hole gas in the inversion symmetric semiconductor Ge is studied in a strained-Ge/SiGe quantum well structure. We observe weak antilocalization (WAL) in the magnetoconductivity measurement, revealing that the WAL feature can be fully described by the k-cubic Rashba SOI theory. Furthermore, we demonstrate electric field control of the Rashba ...

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