The zincblende (B3) to rock salt (B1) in ZnS is a typical pressure-induced phase transition. Meanwhile, B3-ZnS exhibits distinctive multi-phonon coupling behavior. Despite previous studies have explored the B3–B1 transition and phonon behavior in ZnS at room temperature, the effects of low temperature have yet to be experimentally verified. This has resulted in the absence of experimental data on the pressure–temperature (P–T) phase diagram at low temperatures. Here, we probe the pressure-induced B3–B1 phase transition and phonon evolution behavior of ZnS at low temperatures (90–300 K) using isothermal compression Raman spectroscopy. We experimentally determine the ZnS B3–B1 phase boundaries at low temperatures and obtain the corresponding Clapeyron slope, dP/dT = −16.4 ± 2.1 MPa/K. In addition, we found that the pressure coefficients ( ) of all phonon modes of B3-ZnS decrease with decreasing temperature. This is mainly due to the reduction of anharmonic effects at low temperatures. Further, of the multi-phonon coupling states are always larger than those of the single phonon state.
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Temperature effect of the pressure coefficients for multi-phonon coupling in B3-ZnS
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10 March 2025
Research Article|
March 12 2025
Temperature effect of the pressure coefficients for multi-phonon coupling in B3-ZnS
Binbin Wu
;
Binbin Wu
(Conceptualization, Data curation, Formal analysis, Investigation, Methodology, Visualization, Writing – original draft, Writing – review & editing)
Institute of Atomic and Molecular Physics, Sichuan University
, Chengdu 610065, People's Republic of China
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Yuru Lin
;
Yuru Lin
(Data curation, Investigation, Visualization)
Institute of Atomic and Molecular Physics, Sichuan University
, Chengdu 610065, People's Republic of China
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Yu Li;
Yu Li
(Data curation, Investigation, Visualization)
Institute of Atomic and Molecular Physics, Sichuan University
, Chengdu 610065, People's Republic of China
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Xue Chang;
Xue Chang
(Conceptualization, Investigation, Visualization)
Institute of Atomic and Molecular Physics, Sichuan University
, Chengdu 610065, People's Republic of China
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Yu Tao;
Yu Tao
(Conceptualization, Visualization, Writing – review & editing)
Institute of Atomic and Molecular Physics, Sichuan University
, Chengdu 610065, People's Republic of China
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Jingyi Liu;
Jingyi Liu
(Conceptualization, Investigation, Writing – review & editing)
Institute of Atomic and Molecular Physics, Sichuan University
, Chengdu 610065, People's Republic of China
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Li Lei
Li Lei
a)
(Conceptualization, Methodology, Supervision, Visualization, Writing – review & editing)
Institute of Atomic and Molecular Physics, Sichuan University
, Chengdu 610065, People's Republic of China
a)Author to whom correspondence should be addressed: [email protected]
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a)Author to whom correspondence should be addressed: [email protected]
Appl. Phys. Lett. 126, 102103 (2025)
Article history
Received:
January 17 2025
Accepted:
March 01 2025
Citation
Binbin Wu, Yuru Lin, Yu Li, Xue Chang, Yu Tao, Jingyi Liu, Li Lei; Temperature effect of the pressure coefficients for multi-phonon coupling in B3-ZnS. Appl. Phys. Lett. 10 March 2025; 126 (10): 102103. https://doi.org/10.1063/5.0258828
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