Infrared reflectivity spectra of gas-source molecular beam epitaxy grown dilute InNxAs1-x/InP (001)

Devki N. Talwar; Tzuen Rong Yang; Hao Hsiung Lin; Zhe Chuan Feng

doi:10.1063/1.4790605

Infrared reflectivity spectra of gas-source molecular beam epitaxy grown dilute InN_xAs_1-x/InP (001)

Devki N. Talwar^*
, Tzuen Rong Yang
, Hao Hsiung Lin
, Zhe Chuan Feng

^*此作品的通信作者

物理學系

研究成果: 雜誌貢獻 › 期刊論文 › 同行評審

摘要

Vibrational spectra of gas-source molecular beam epitaxy grown dilute InN_xAs_1-x/InP (001) alloys are obtained using a Fourier-transform infrared (IR) spectroscopy. A triply degenerate N_As local vibrational mode of T_d-symmetry is observed near 438 cm ^-1 corresponding to the In-N bond energy. The analysis of composition dependent infrared reflectivity spectra in InNAs has predicted a two-phonon-mode behavior. In In(Ga)-rich GaInNAs alloys the observed splitting of the N_As local mode into a doublet for the N_As-Ga ₁(In₁)In₃(Ga₃) pair-defect of C _3v-symmetry is consistent with our simulated results based on a sophisticated Green's function theory.

原文	英語
文章編號	052110
期刊	Applied Physics Letters
卷	102
發行號	5
DOIs	https://doi.org/10.1063/1.4790605
出版狀態	已發佈 - 2013 2月 4

ASJC Scopus subject areas

物理與天文學（雜項）

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10.1063/1.4790605

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@article{3ef764fd379f4dfa87c8905aefa0e907,

title = "Infrared reflectivity spectra of gas-source molecular beam epitaxy grown dilute InNxAs1-x/InP (001)",

abstract = "Vibrational spectra of gas-source molecular beam epitaxy grown dilute InNxAs1-x/InP (001) alloys are obtained using a Fourier-transform infrared (IR) spectroscopy. A triply degenerate NAs local vibrational mode of Td-symmetry is observed near 438 cm -1 corresponding to the In-N bond energy. The analysis of composition dependent infrared reflectivity spectra in InNAs has predicted a two-phonon-mode behavior. In In(Ga)-rich GaInNAs alloys the observed splitting of the NAs local mode into a doublet for the NAs-Ga 1(In1)In3(Ga3) pair-defect of C 3v-symmetry is consistent with our simulated results based on a sophisticated Green's function theory.",

author = "Talwar, \{Devki N.\} and Yang, \{Tzuen Rong\} and \{Hsiung Lin\}, Hao and \{Chuan Feng\}, Zhe",

note = "Funding Information: DNT acknowledges the receipt of an Innovation Research Grant from the School of Graduate Studies at Indiana University of Pennsylvania, Indiana, PA. The work of (ZCF) at the National Taiwan University was supported by Grants NSC 98-2221-E-002-015-MY3 and NSC 98-3114-E-005-002-CC2 and by NTU Excellent Research Project (10R80908) while that of (TRY) at the National Taiwan Normal University was funded by a Grant NSC 101-3113-S-003-015.",

year = "2013",

month = feb,

day = "4",

doi = "10.1063/1.4790605",

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volume = "102",

journal = "Applied Physics Letters",

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AU - Talwar, Devki N.

AU - Yang, Tzuen Rong

AU - Hsiung Lin, Hao

AU - Chuan Feng, Zhe

N1 - Funding Information: DNT acknowledges the receipt of an Innovation Research Grant from the School of Graduate Studies at Indiana University of Pennsylvania, Indiana, PA. The work of (ZCF) at the National Taiwan University was supported by Grants NSC 98-2221-E-002-015-MY3 and NSC 98-3114-E-005-002-CC2 and by NTU Excellent Research Project (10R80908) while that of (TRY) at the National Taiwan Normal University was funded by a Grant NSC 101-3113-S-003-015.

PY - 2013/2/4

Y1 - 2013/2/4

N2 - Vibrational spectra of gas-source molecular beam epitaxy grown dilute InNxAs1-x/InP (001) alloys are obtained using a Fourier-transform infrared (IR) spectroscopy. A triply degenerate NAs local vibrational mode of Td-symmetry is observed near 438 cm -1 corresponding to the In-N bond energy. The analysis of composition dependent infrared reflectivity spectra in InNAs has predicted a two-phonon-mode behavior. In In(Ga)-rich GaInNAs alloys the observed splitting of the NAs local mode into a doublet for the NAs-Ga 1(In1)In3(Ga3) pair-defect of C 3v-symmetry is consistent with our simulated results based on a sophisticated Green's function theory.

AB - Vibrational spectra of gas-source molecular beam epitaxy grown dilute InNxAs1-x/InP (001) alloys are obtained using a Fourier-transform infrared (IR) spectroscopy. A triply degenerate NAs local vibrational mode of Td-symmetry is observed near 438 cm -1 corresponding to the In-N bond energy. The analysis of composition dependent infrared reflectivity spectra in InNAs has predicted a two-phonon-mode behavior. In In(Ga)-rich GaInNAs alloys the observed splitting of the NAs local mode into a doublet for the NAs-Ga 1(In1)In3(Ga3) pair-defect of C 3v-symmetry is consistent with our simulated results based on a sophisticated Green's function theory.

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Infrared reflectivity spectra of gas-source molecular beam epitaxy grown dilute InNxAs1-x/InP (001)

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Infrared reflectivity spectra of gas-source molecular beam epitaxy grown dilute InN_xAs_1-x/InP (001)