Simultaneous extraction of Rashba and Dresselhaus spin-orbit coefficients in GaAs/AlGaAs (110) two-dimensional electron gas

Daisuke Iizasa, Shu Kitamura, Dai Sato, Satoshi Iba, Yuzo Ohno, Shutaro Karube, Junsaku Nitta, Makoto Kohda

研究成果: Conference contribution

抄録

We investigate Rashba and Dresselhaus spin-orbit coefficients in (110)-grown GaAs/AlGaAs two-dimensional electron gas (2DEG) by employing time-resolved Kerr rotation microscopy. In III-V semiconductor 2DEG grown on (110) crystal orientation, while Dresselhaus spin-orbit field is perpendicular to the 2DEG plane, which maintains spin polarization, Rashba spin-orbit field randomizes spin polarization due to D'yakonov-Perel' spin relaxation mechanism. Therefore, it is important to evaluate both spin-orbit fields quantitatively. Here, we propose and examine the method for simultaneous extraction of Rashba and Dresselhaus fields in GaA/AlGaAs (110) 2DEG by employing spin diffusion.

本文言語English
ホスト出版物のタイトル2019 Compound Semiconductor Week, CSW 2019 - Proceedings
出版社Institute of Electrical and Electronics Engineers Inc.
ISBN(電子版)9781728100807
DOI
出版ステータスPublished - 2019 5
イベント2019 Compound Semiconductor Week, CSW 2019 - Nara, Japan
継続期間: 2019 5 192019 5 23

出版物シリーズ

名前2019 Compound Semiconductor Week, CSW 2019 - Proceedings

Conference

Conference2019 Compound Semiconductor Week, CSW 2019
国/地域Japan
CityNara
Period19/5/1919/5/23

ASJC Scopus subject areas

  • 電子工学および電気工学
  • 産業および生産工学
  • 電子材料、光学材料、および磁性材料
  • 材料化学
  • 原子分子物理学および光学

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