Bismuth-content-dependent polarized Raman spectrum of InPBi alloy

Guan-Nan Wei; Qing-Hai Tan; Xing Dai; Qi Feng; Wen-Gang Luo; Yu Sheng; Kai Wang; Wen-Wu Pan; Li-Yao Zhang; Shu-Min Wang; Kai-You Wang

doi:10.1088/1674-1056/25/6/066301

Bismuth-content-dependent polarized Raman spectrum of InPBi alloy

Guan-Nan Wei, Qing-Hai Tan, Xing Dai, Qi Feng, Wen-Gang Luo, Yu Sheng, Kai Wang, Wen-Wu Pan, Li-Yao Zhang, Shu-Min Wang, Kai-You Wang

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

6 Citations (Scopus)

Abstract

We systematically investigate the optical properties of the InP1−x Bi x ternary alloys with 0 ≤ x ≤ 2.46%, by using high resolution polarized Raman scattering measurement. Both InP-like and InBi-like optical vibration modes (LO) are identified in all the samples, suggesting that most of the Bi-atoms are incorporated into the lattice sites to substitute P-atoms. And the intensity of the InBi-like Raman mode is positively proportional to the Bi-content. Linear red-shift of the InP-like longitudinal optical vibration mode is observed to be 1.1 cm−1/Bi%, while that of the InP-like optical vibration overtone (2LO) is nearly doubled. In addition, through comparing the Z(XX)Z̅ and Z(XY)Z̅ Raman spectra, longitudinal-optical-plasmon-coupled (LOPC) modes are identified in all the samples, and their intensities are found to be proportional to the electron concentrations.

Original language	English
Article number	066301
Number of pages	6
Journal	Chinese Physics B
Volume	25
Issue number	6
DOIs	https://doi.org/10.1088/1674-1056/25/6/066301
Publication status	Published - Jun 2016
Externally published	Yes

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@article{14a80cb5e82b46829fa7e9d1879470c2,

title = "Bismuth-content-dependent polarized Raman spectrum of InPBi alloy",

abstract = "We systematically investigate the optical properties of the InP1−x Bi x ternary alloys with 0 ≤ x ≤ 2.46%, by using high resolution polarized Raman scattering measurement. Both InP-like and InBi-like optical vibration modes (LO) are identified in all the samples, suggesting that most of the Bi-atoms are incorporated into the lattice sites to substitute P-atoms. And the intensity of the InBi-like Raman mode is positively proportional to the Bi-content. Linear red-shift of the InP-like longitudinal optical vibration mode is observed to be 1.1 cm−1/Bi%, while that of the InP-like optical vibration overtone (2LO) is nearly doubled. In addition, through comparing the Z(XX)Z̅ and Z(XY)Z̅ Raman spectra, longitudinal-optical-plasmon-coupled (LOPC) modes are identified in all the samples, and their intensities are found to be proportional to the electron concentrations.",

keywords = "InPBi, Raman spectra, red-shift, LOPC modes, SCATTERING, MODES, ABSORPTION, EPITAXY, GAASBI",

author = "Guan-Nan Wei and Qing-Hai Tan and Xing Dai and Qi Feng and Wen-Gang Luo and Yu Sheng and Kai Wang and Wen-Wu Pan and Li-Yao Zhang and Shu-Min Wang and Kai-You Wang",

year = "2016",

month = jun,

doi = "10.1088/1674-1056/25/6/066301",

language = "English",

volume = "25",

journal = "Chinese Physics",

issn = "1000-3290",

publisher = "IOP Publishing",

number = "6",

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TY - JOUR

T1 - Bismuth-content-dependent polarized Raman spectrum of InPBi alloy

AU - Wei, Guan-Nan

AU - Tan, Qing-Hai

AU - Dai, Xing

AU - Feng, Qi

AU - Luo, Wen-Gang

AU - Sheng, Yu

AU - Wang, Kai

AU - Pan, Wen-Wu

AU - Zhang, Li-Yao

AU - Wang, Shu-Min

AU - Wang, Kai-You

PY - 2016/6

Y1 - 2016/6

N2 - We systematically investigate the optical properties of the InP1−x Bi x ternary alloys with 0 ≤ x ≤ 2.46%, by using high resolution polarized Raman scattering measurement. Both InP-like and InBi-like optical vibration modes (LO) are identified in all the samples, suggesting that most of the Bi-atoms are incorporated into the lattice sites to substitute P-atoms. And the intensity of the InBi-like Raman mode is positively proportional to the Bi-content. Linear red-shift of the InP-like longitudinal optical vibration mode is observed to be 1.1 cm−1/Bi%, while that of the InP-like optical vibration overtone (2LO) is nearly doubled. In addition, through comparing the Z(XX)Z̅ and Z(XY)Z̅ Raman spectra, longitudinal-optical-plasmon-coupled (LOPC) modes are identified in all the samples, and their intensities are found to be proportional to the electron concentrations.

AB - We systematically investigate the optical properties of the InP1−x Bi x ternary alloys with 0 ≤ x ≤ 2.46%, by using high resolution polarized Raman scattering measurement. Both InP-like and InBi-like optical vibration modes (LO) are identified in all the samples, suggesting that most of the Bi-atoms are incorporated into the lattice sites to substitute P-atoms. And the intensity of the InBi-like Raman mode is positively proportional to the Bi-content. Linear red-shift of the InP-like longitudinal optical vibration mode is observed to be 1.1 cm−1/Bi%, while that of the InP-like optical vibration overtone (2LO) is nearly doubled. In addition, through comparing the Z(XX)Z̅ and Z(XY)Z̅ Raman spectra, longitudinal-optical-plasmon-coupled (LOPC) modes are identified in all the samples, and their intensities are found to be proportional to the electron concentrations.

KW - InPBi

KW - Raman spectra

KW - red-shift

KW - LOPC modes

KW - SCATTERING

KW - MODES

KW - ABSORPTION

KW - EPITAXY

KW - GAASBI

U2 - 10.1088/1674-1056/25/6/066301

DO - 10.1088/1674-1056/25/6/066301

M3 - Article

VL - 25

JO - Chinese Physics

JF - Chinese Physics

SN - 1000-3290

IS - 6

M1 - 066301

ER -

Bismuth-content-dependent polarized Raman spectrum of InPBi alloy

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