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Hokkaido University Collection of Scholarly and Academic Papers >
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Cubic Rashba Spin-Orbit Interaction of a Two-Dimensional Hole Gas in a Strained-Ge/SiGeQuantum Well
| Title: | Cubic Rashba Spin-Orbit Interaction of a Two-Dimensional Hole Gas in a Strained-Ge/SiGeQuantum Well |
| Authors: | Moriya, Rai Browse this author →KAKEN DB | | Sawano, Kentarou Browse this author →KAKEN DB | | Hoshi, Yusuke Browse this author | | Masubuchi, Satoru Browse this author | | Shiraki, Yasuhiro Browse this author | | Wild, Andreas Browse this author | | Neumann, Christian Browse this author | | Abstreiter, Gerhard Browse this author | | Bougeard, Dominique Browse this author | | Koga, Takaaki Browse this author →KAKEN DB | | Machida, Tomoki Browse this author →KAKEN DB |
| Issue Date: | 22-Aug-2014 |
| Publisher: | American Physical Society |
| Journal Title: | Physical Review Letters |
| Volume: | 113 |
| Issue: | 8 |
| Start Page: | 086601 |
| Publisher DOI: | 10.1103/PhysRevLett.113.086601 |
| PMID: | 25192115 |
| 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 SOI. Our findings reveal that the heavy hole (HH) in strained Ge is a purely cubic Rashba system, which is consistent with the spin angular momentum mj=±3/2 nature of the HH wave function. |
| Rights: | ©2014 American Physical Society |
| Type: | article |
| URI: | http://hdl.handle.net/2115/81750 |
| Appears in Collections: | 情報科学院・情報科学研究院 (Graduate School of Information Science and Technology / Faculty of Information Science and Technology) > 雑誌発表論文等 (Peer-reviewed Journal Articles, etc)
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Submitter: 古賀 貴亮
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