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Article

High-Temperature Liquid–Liquid Phase Transition in Glass-Forming Liquid Pd43Ni20Cu27P10

by
Huanyi Zhou
1,
Pengfei Yu
2,
Xiaoyu Miao
1,
Cunjin Peng
1,
Lulu Fu
1,
Conghui Si
1,
Qifang Lu
1,
Shunwei Chen
1,* and
Xiujun Han
1,*
1
School of Materials Science and Engineering, Qilu University of Technology (Shandong Academy of Sciences), Jinan 250353, China
2
School of Materials Science and Engineering, Shanghai Jiao Tong University, Shanghai 200240, China
*
Authors to whom correspondence should be addressed.
Materials 2023, 16(12), 4353; https://doi.org/10.3390/ma16124353
Submission received: 23 May 2023 / Revised: 5 June 2023 / Accepted: 7 June 2023 / Published: 13 June 2023
(This article belongs to the Section Metals and Alloys)
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Abstract

Liquid–liquid phase transition (LLPT) is a transition from one liquid state to another with the same composition but distinct structural change, which provides an opportunity to explore the relationships between structural transformation and thermodynamic/kinetic anomalies. Herein the abnormal endothermic LLPT in Pd43Ni20Cu27P10 glass-forming liquid was verified and studied by flash differential scanning calorimetry (FDSC) and ab initio molecular dynamics (AIMD) simulations. The results show that the change of the atomic local structure of the atoms around the Cu-P bond leads to the change in the number of specific clusters <0 2 8 0> and <1 2 5 3>, which leads to the change in the liquid structure. Our findings reveal the structural mechanisms that induce unusual heat-trapping phenomena in liquids and advance the understanding of LLPT.
Keywords: liquid–liquid phase transition; Pd-Ni-Cu-P; endothermic; flash differential scanning calorimetry; ab initio molecular dynamics liquid–liquid phase transition; Pd-Ni-Cu-P; endothermic; flash differential scanning calorimetry; ab initio molecular dynamics

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MDPI and ACS Style

Zhou, H.; Yu, P.; Miao, X.; Peng, C.; Fu, L.; Si, C.; Lu, Q.; Chen, S.; Han, X. High-Temperature Liquid–Liquid Phase Transition in Glass-Forming Liquid Pd43Ni20Cu27P10. Materials 2023, 16, 4353. https://doi.org/10.3390/ma16124353

AMA Style

Zhou H, Yu P, Miao X, Peng C, Fu L, Si C, Lu Q, Chen S, Han X. High-Temperature Liquid–Liquid Phase Transition in Glass-Forming Liquid Pd43Ni20Cu27P10. Materials. 2023; 16(12):4353. https://doi.org/10.3390/ma16124353

Chicago/Turabian Style

Zhou, Huanyi, Pengfei Yu, Xiaoyu Miao, Cunjin Peng, Lulu Fu, Conghui Si, Qifang Lu, Shunwei Chen, and Xiujun Han. 2023. "High-Temperature Liquid–Liquid Phase Transition in Glass-Forming Liquid Pd43Ni20Cu27P10" Materials 16, no. 12: 4353. https://doi.org/10.3390/ma16124353

APA Style

Zhou, H., Yu, P., Miao, X., Peng, C., Fu, L., Si, C., Lu, Q., Chen, S., & Han, X. (2023). High-Temperature Liquid–Liquid Phase Transition in Glass-Forming Liquid Pd43Ni20Cu27P10. Materials, 16(12), 4353. https://doi.org/10.3390/ma16124353

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