Study of optical properties of high-resistivity CdMnTe:In single crystals before and after H2 atmosphere annealing

Pengfei Yu; Yongren Chen; Jie Song; Yi Zhu; Meijing Zhang; Binggang Zhang; Yu Wang; Wei Li; Lijun Luan; Yuanyuan Du; Jing Ma; Jiahong Zheng; Zhuo Li; Min Bai; Hui Li; Wanqi Jie

doi:10.1016/j.mseb.2019.06.006

Study of optical properties of high-resistivity CdMnTe:In single crystals before and after H₂ atmosphere annealing

Pengfei Yu, Yongren Chen, Jie Song, Yi Zhu, Meijing Zhang, Binggang Zhang, Yu Wang, Wei Li, Lijun Luan, Yuanyuan Du, Jing Ma, Jiahong Zheng, Zhuo Li, Min Bai, Hui Li, Wanqi Jie

School of Materials Sience and Engineering

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

8 Scopus citations

Abstract

In order to investigate the passivation effects of hydrogen, high-resistivity indium doped cadmium manganese telluride (CMT:In) single crystals were annealed in H₂ atmosphere. The results indicated the concentration of Mn element and the density of Te inclusions did not change after annealing. Both the resistivity and IR transmittance increased because of the reduction of the carrier concentration. The intensity of (D⁰,X) peak and (D⁰,h) peak decreases remarkably because of the passivation of the indium donor. The donor–acceptor pair peak (DAP) peak disappeared, which was due to the dissociation of [V_Cd − In_Cd] complexes and the passivation of the impurities by hydrogen. Moreover, D_complex peak consisted of two peaks. The intensities of D₁ peak increased and D₂ peak decreased because the passivation of hydrogen on the donor and dislocation, respectively. The best condition of passivation for H₂ atmosphere annealing is 573 K for 30 h.

Original language	English
Pages (from-to)	120-126
Number of pages	7
Journal	Materials Science and Engineering: B
Volume	246
DOIs	https://doi.org/10.1016/j.mseb.2019.06.006
State	Published - Jul 2019

Keywords

CMT:In
H atmosphere annealing
IR transmittance
NIR spectrum
Photoluminescence

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@article{b491af3f40ef46198d97768b19bd9312,

title = "Study of optical properties of high-resistivity CdMnTe:In single crystals before and after H2 atmosphere annealing",

abstract = "In order to investigate the passivation effects of hydrogen, high-resistivity indium doped cadmium manganese telluride (CMT:In) single crystals were annealed in H2 atmosphere. The results indicated the concentration of Mn element and the density of Te inclusions did not change after annealing. Both the resistivity and IR transmittance increased because of the reduction of the carrier concentration. The intensity of (D0,X) peak and (D0,h) peak decreases remarkably because of the passivation of the indium donor. The donor–acceptor pair peak (DAP) peak disappeared, which was due to the dissociation of [VCd − InCd] complexes and the passivation of the impurities by hydrogen. Moreover, Dcomplex peak consisted of two peaks. The intensities of D1 peak increased and D2 peak decreased because the passivation of hydrogen on the donor and dislocation, respectively. The best condition of passivation for H2 atmosphere annealing is 573 K for 30 h.",

keywords = "CMT:In, H atmosphere annealing, IR transmittance, NIR spectrum, Photoluminescence",

author = "Pengfei Yu and Yongren Chen and Jie Song and Yi Zhu and Meijing Zhang and Binggang Zhang and Yu Wang and Wei Li and Lijun Luan and Yuanyuan Du and Jing Ma and Jiahong Zheng and Zhuo Li and Min Bai and Hui Li and Wanqi Jie",

note = "Publisher Copyright: {\textcopyright} 2019 Elsevier B.V.",

year = "2019",

month = jul,

doi = "10.1016/j.mseb.2019.06.006",

language = "英语",

volume = "246",

pages = "120--126",

journal = "Materials Science and Engineering: B",

issn = "0921-5107",

publisher = "Elsevier Ltd",

}

TY - JOUR

T1 - Study of optical properties of high-resistivity CdMnTe:In single crystals before and after H2 atmosphere annealing

AU - Yu, Pengfei

AU - Chen, Yongren

AU - Song, Jie

AU - Zhu, Yi

AU - Zhang, Meijing

AU - Zhang, Binggang

AU - Wang, Yu

AU - Li, Wei

AU - Luan, Lijun

AU - Du, Yuanyuan

AU - Ma, Jing

AU - Zheng, Jiahong

AU - Li, Zhuo

AU - Bai, Min

AU - Li, Hui

AU - Jie, Wanqi

PY - 2019/7

Y1 - 2019/7

N2 - In order to investigate the passivation effects of hydrogen, high-resistivity indium doped cadmium manganese telluride (CMT:In) single crystals were annealed in H2 atmosphere. The results indicated the concentration of Mn element and the density of Te inclusions did not change after annealing. Both the resistivity and IR transmittance increased because of the reduction of the carrier concentration. The intensity of (D0,X) peak and (D0,h) peak decreases remarkably because of the passivation of the indium donor. The donor–acceptor pair peak (DAP) peak disappeared, which was due to the dissociation of [VCd − InCd] complexes and the passivation of the impurities by hydrogen. Moreover, Dcomplex peak consisted of two peaks. The intensities of D1 peak increased and D2 peak decreased because the passivation of hydrogen on the donor and dislocation, respectively. The best condition of passivation for H2 atmosphere annealing is 573 K for 30 h.

AB - In order to investigate the passivation effects of hydrogen, high-resistivity indium doped cadmium manganese telluride (CMT:In) single crystals were annealed in H2 atmosphere. The results indicated the concentration of Mn element and the density of Te inclusions did not change after annealing. Both the resistivity and IR transmittance increased because of the reduction of the carrier concentration. The intensity of (D0,X) peak and (D0,h) peak decreases remarkably because of the passivation of the indium donor. The donor–acceptor pair peak (DAP) peak disappeared, which was due to the dissociation of [VCd − InCd] complexes and the passivation of the impurities by hydrogen. Moreover, Dcomplex peak consisted of two peaks. The intensities of D1 peak increased and D2 peak decreased because the passivation of hydrogen on the donor and dislocation, respectively. The best condition of passivation for H2 atmosphere annealing is 573 K for 30 h.

KW - CMT:In

KW - H atmosphere annealing

KW - IR transmittance

KW - NIR spectrum

KW - Photoluminescence

UR - http://www.scopus.com/inward/record.url?scp=85067357452&partnerID=8YFLogxK

U2 - 10.1016/j.mseb.2019.06.006

DO - 10.1016/j.mseb.2019.06.006

M3 - 文章

AN - SCOPUS:85067357452

SN - 0921-5107

VL - 246

SP - 120

EP - 126

JO - Materials Science and Engineering: B

JF - Materials Science and Engineering: B

ER -

Study of optical properties of high-resistivity CdMnTe:In single crystals before and after H₂ atmosphere annealing

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Keywords

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