Specific heat analyses on optical-phonon-derived uniaxial negative thermal expansion system TrZr2 (Tr = Fe and Co1− x Ni x )

Specific heat analyses on optical-phonon-derived uniaxial negative thermal expansion system TrZr2 (Tr = Fe and Co1− x Ni x )

Abstract A large uniaxial negative thermal expansion (NTE) along the c-axis has recently been observed in the transition metal (Tr) zirconides TrZr2 with a tetragonal CuAl2-type structure. A recent study on FeZr₂ [M. Xu et al., Nat. Commun. 14, 4439 (2023)] suggests that optical phonons play a criti...

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Bibliographic Details
Main Authors: Yuto Watanabe, Ceren Tayran, Md. Riad Kasem, Aichi Yamashita, Mehmet Çakmak, Takayoshi Katase, Yoshikazu Mizuguchi
Format: Article
Language:English
Published: Nature Portfolio 2024-11-01
Series:Scientific Reports
Subjects:
Superconductivity
Specific heat
Negative thermal expansion
DFT calculation
Online Access:https://doi.org/10.1038/s41598-024-79353-8
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