Zero-field spin splitting and high-field g-factor of an asymmetrical In0.53Ga0.47As/In0.52Al0.48As quantum well

Yong Gang Xu; Meng Lv; Jian Xin Chen; Tie Lin; Guo Lin Yu; Ning Dai; Jun Hao Chu

doi:10.11972/j.issn.1001-9014.2015.06.010

Zero-field spin splitting and high-field g-factor of an asymmetrical In_0.53Ga_0.47As/In_0.52Al_0.48As quantum well

Yong Gang Xu
, Meng Lv
, Jian Xin Chen
, Tie Lin
, Guo Lin Yu^*
, Ning Dai
, Jun Hao Chu

^*此作品的通讯作者

CAS - Shanghai Institute of Technical Physics

科研成果: 期刊稿件 › 文章 › 同行评审

摘要

This paper investigated the magnetotransport properties of the two-dimensional electron system in an asymmetrical In_0.53Ga_0.47As/In_0.52Al_0.48As quantum well, in which the expected beatings in the Shubinikov-de Haas oscillations of the longitudinal magnetoresistance R_xx were not observed. Zero-field spin splitting was extracted by measuring the weak anti-localization effect and the high field effective g-factor, g^*, was extracted by fitting the tilt angle θ-dependent spacing of spin-splitted R_xx peaks. The Dingle plot is shown to be nonlinear, which can be attributed to the long-range scattering potential from the doping Be atoms near the substrate.

源语言	英语
页（从-至）	688-693
页数	6
期刊	Hongwai Yu Haomibo Xuebao/Journal of Infrared and Millimeter Waves
卷	34
期	6
DOI	https://doi.org/10.11972/j.issn.1001-9014.2015.06.010
出版状态	已出版 - 1 12月 2015
已对外发布	是

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10.11972/j.issn.1001-9014.2015.06.010

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title = "Zero-field spin splitting and high-field g-factor of an asymmetrical In0.53Ga0.47As/In0.52Al0.48As quantum well",

abstract = "This paper investigated the magnetotransport properties of the two-dimensional electron system in an asymmetrical In0.53Ga0.47As/In0.52Al0.48As quantum well, in which the expected beatings in the Shubinikov-de Haas oscillations of the longitudinal magnetoresistance Rxx were not observed. Zero-field spin splitting was extracted by measuring the weak anti-localization effect and the high field effective g-factor, g*, was extracted by fitting the tilt angle θ-dependent spacing of spin-splitted Rxx peaks. The Dingle plot is shown to be nonlinear, which can be attributed to the long-range scattering potential from the doping Be atoms near the substrate.",

keywords = "G-factor, InGaAs/InAlAs quatum well, Two-dimensional electron system, Zero-field spin splitting",

author = "Xu, \{Yong Gang\} and Meng Lv and Chen, \{Jian Xin\} and Tie Lin and Yu, \{Guo Lin\} and Ning Dai and Chu, \{Jun Hao\}",

year = "2015",

month = dec,

day = "1",

doi = "10.11972/j.issn.1001-9014.2015.06.010",

language = "英语",

volume = "34",

pages = "688--693",

journal = "Hongwai Yu Haomibo Xuebao/Journal of Infrared and Millimeter Waves",

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TY - JOUR

T1 - Zero-field spin splitting and high-field g-factor of an asymmetrical In0.53Ga0.47As/In0.52Al0.48As quantum well

AU - Xu, Yong Gang

AU - Lv, Meng

AU - Chen, Jian Xin

AU - Lin, Tie

AU - Yu, Guo Lin

AU - Dai, Ning

AU - Chu, Jun Hao

PY - 2015/12/1

Y1 - 2015/12/1

N2 - This paper investigated the magnetotransport properties of the two-dimensional electron system in an asymmetrical In0.53Ga0.47As/In0.52Al0.48As quantum well, in which the expected beatings in the Shubinikov-de Haas oscillations of the longitudinal magnetoresistance Rxx were not observed. Zero-field spin splitting was extracted by measuring the weak anti-localization effect and the high field effective g-factor, g*, was extracted by fitting the tilt angle θ-dependent spacing of spin-splitted Rxx peaks. The Dingle plot is shown to be nonlinear, which can be attributed to the long-range scattering potential from the doping Be atoms near the substrate.

AB - This paper investigated the magnetotransport properties of the two-dimensional electron system in an asymmetrical In0.53Ga0.47As/In0.52Al0.48As quantum well, in which the expected beatings in the Shubinikov-de Haas oscillations of the longitudinal magnetoresistance Rxx were not observed. Zero-field spin splitting was extracted by measuring the weak anti-localization effect and the high field effective g-factor, g*, was extracted by fitting the tilt angle θ-dependent spacing of spin-splitted Rxx peaks. The Dingle plot is shown to be nonlinear, which can be attributed to the long-range scattering potential from the doping Be atoms near the substrate.

KW - G-factor

KW - InGaAs/InAlAs quatum well

KW - Two-dimensional electron system

KW - Zero-field spin splitting

UR - https://www.scopus.com/pages/publications/84955074276

U2 - 10.11972/j.issn.1001-9014.2015.06.010

DO - 10.11972/j.issn.1001-9014.2015.06.010

M3 - 文章

AN - SCOPUS:84955074276

SN - 1001-9014

VL - 34

SP - 688

EP - 693

JO - Hongwai Yu Haomibo Xuebao/Journal of Infrared and Millimeter Waves

JF - Hongwai Yu Haomibo Xuebao/Journal of Infrared and Millimeter Waves

IS - 6

ER -

Zero-field spin splitting and high-field g-factor of an asymmetrical In0.53Ga0.47As/In0.52Al0.48As quantum well

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Zero-field spin splitting and high-field g-factor of an asymmetrical In_0.53Ga_0.47As/In_0.52Al_0.48As quantum well