Study of impurity states in p-type Hg1-xCdxTe using far-infrared spectroscopy

Biao Li; Yongsheng Gui; Zhanghai Chen; Hongjuan Ye; Junhao Chu; Shanli Wang; Rongbin Ji; Li He

doi:10.1063/1.122198

Study of impurity states in p-type Hg_1-xCd_xTe using far-infrared spectroscopy

Biao Li^*, Yongsheng Gui, Zhanghai Chen, Hongjuan Ye, Junhao Chu, Shanli Wang, Rongbin Ji, Li He

^*Corresponding author for this work

CAS - Shanghai Institute of Technical Physics

Research output: Contribution to journal › Article › peer-review

20 Scopus citations

Abstract

This letter reports the far-infrared (FIR) transmission spectra of undoped and Sb-doped p-type Hg_1-xCd_xTe films grown by a liquid-phase epitaxy (LPE) or molecular-beam epitaxy (MBE) technique. The activation energies of cation vacancy acceptor are found to be ∼10-12 meV and are almost independent on Cd composition. The absorption strength per Hg vacancy, useful for evaluating the cation vacancy density from the absorption spectra, is derived as 3.4×10^-12cm. Further, Zeeman splitting resulting from two different acceptors is observed from magnetotransmission measurement for the Sb-doped LPE sample, and light hole effective mass is estimated. FIR transmission seems to be a powerful tool for nondestructive characterization of impurity states in Hg_1-xCd_xTe.

Original language	English
Pages (from-to)	1538-1540
Number of pages	3
Journal	Applied Physics Letters
Volume	73
Issue number	11
DOIs	https://doi.org/10.1063/1.122198
State	Published - 1998
Externally published	Yes

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@article{80d7b05b938045f0b89bc13e89fe9511,

title = "Study of impurity states in p-type Hg1-xCdxTe using far-infrared spectroscopy",

abstract = "This letter reports the far-infrared (FIR) transmission spectra of undoped and Sb-doped p-type Hg1-xCdxTe films grown by a liquid-phase epitaxy (LPE) or molecular-beam epitaxy (MBE) technique. The activation energies of cation vacancy acceptor are found to be ∼10-12 meV and are almost independent on Cd composition. The absorption strength per Hg vacancy, useful for evaluating the cation vacancy density from the absorption spectra, is derived as 3.4×10-12cm. Further, Zeeman splitting resulting from two different acceptors is observed from magnetotransmission measurement for the Sb-doped LPE sample, and light hole effective mass is estimated. FIR transmission seems to be a powerful tool for nondestructive characterization of impurity states in Hg1-xCdxTe.",

author = "Biao Li and Yongsheng Gui and Zhanghai Chen and Hongjuan Ye and Junhao Chu and Shanli Wang and Rongbin Ji and Li He",

year = "1998",

doi = "10.1063/1.122198",

language = "英语",

volume = "73",

pages = "1538--1540",

journal = "Applied Physics Letters",

issn = "0003-6951",

publisher = "American Institute of Physics",

number = "11",

}

TY - JOUR

T1 - Study of impurity states in p-type Hg1-xCdxTe using far-infrared spectroscopy

AU - Li, Biao

AU - Gui, Yongsheng

AU - Chen, Zhanghai

AU - Ye, Hongjuan

AU - Chu, Junhao

AU - Wang, Shanli

AU - Ji, Rongbin

AU - He, Li

PY - 1998

Y1 - 1998

N2 - This letter reports the far-infrared (FIR) transmission spectra of undoped and Sb-doped p-type Hg1-xCdxTe films grown by a liquid-phase epitaxy (LPE) or molecular-beam epitaxy (MBE) technique. The activation energies of cation vacancy acceptor are found to be ∼10-12 meV and are almost independent on Cd composition. The absorption strength per Hg vacancy, useful for evaluating the cation vacancy density from the absorption spectra, is derived as 3.4×10-12cm. Further, Zeeman splitting resulting from two different acceptors is observed from magnetotransmission measurement for the Sb-doped LPE sample, and light hole effective mass is estimated. FIR transmission seems to be a powerful tool for nondestructive characterization of impurity states in Hg1-xCdxTe.

AB - This letter reports the far-infrared (FIR) transmission spectra of undoped and Sb-doped p-type Hg1-xCdxTe films grown by a liquid-phase epitaxy (LPE) or molecular-beam epitaxy (MBE) technique. The activation energies of cation vacancy acceptor are found to be ∼10-12 meV and are almost independent on Cd composition. The absorption strength per Hg vacancy, useful for evaluating the cation vacancy density from the absorption spectra, is derived as 3.4×10-12cm. Further, Zeeman splitting resulting from two different acceptors is observed from magnetotransmission measurement for the Sb-doped LPE sample, and light hole effective mass is estimated. FIR transmission seems to be a powerful tool for nondestructive characterization of impurity states in Hg1-xCdxTe.

UR - https://www.scopus.com/pages/publications/0006719356

U2 - 10.1063/1.122198

DO - 10.1063/1.122198

M3 - 文章

AN - SCOPUS:0006719356

SN - 0003-6951

VL - 73

SP - 1538

EP - 1540

JO - Applied Physics Letters

JF - Applied Physics Letters

IS - 11

ER -

Study of impurity states in p-type Hg_1-xCd_xTe using far-infrared spectroscopy

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