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Observation of Dresselhaus type spin splitting of zinc blende structure semiconductors by circular dichroic photoemission study

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Title
Observation of Dresselhaus type spin splitting of zinc blende structure semiconductors by circular dichroic photoemission study
Author(s)
Cho, Soohyun; Jung, Wonsig; Hong, Jisook; Kim, Beomyoung; Garam Han; Leandersson, M.; Balasubramanian, T.; Arita, Masashi; Shimada, Kenya; Shim, Ji Hoon; Changyoung Kim; Park, Seung Ryong
Publication Date
2021-10
Journal
Current Applied Physics, v.30, pp.96 - 101
Publisher
Elsevier B.V.
Abstract
© 2021 Korean Physical SocietyMaterial family of zinc blende structure semiconductors (ZBSSs) is important for novel technique such as spintronics. A study of the ZBSS spin-splitting structure in momentum space is essential when seeking to understand the exotic properties of the material. The Dresselhaus field predominates in the bulk, but the Rashba field plays important roles in states near the surface. Here, we used circular dichroism in angle-resolved photoemission spectroscopy (CD-ARPES) to explore the spin-splitting structure of bulk ZBSS in momentum space. The observed structure was well-explained by a Dresselhaus field attributable to the lack of inversion symmetry in ZBSS crystals. We show that CD-ARPES usefully reveals spin-splitting in momentum space. CD-ARPES combined with hard x-ray incident-beam would be useful to investigate the spin-splitting structures of the interface states in the ZBSS heterostructure.
URI
https://pr.ibs.re.kr/handle/8788114/10613
DOI
10.1016/j.cap.2021.06.011
ISSN
1567-1739
Appears in Collections:
Center for Correlated Electron Systems(강상관계 물질 연구단) > 1. Journal Papers (저널논문)
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