Exploring Zero Thermal Expansion in Magnetocaloric Materials

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Exploring Zero Thermal Expansion in Magnetocaloric Materials

Review (2025)

Author(s)

Q. Shen (Hangzhou Dianzi University)

N.H. van Dijk (TU Delft - RST/Fundamental Aspects of Materials and Energy)

E.H. Brück (TU Delft - RST/Fundamental Aspects of Materials and Energy)

Lingwei Li (Hangzhou Dianzi University)

Research Group

RST/Fundamental Aspects of Materials and Energy

DOI related publication

https://doi.org/10.1002/adem.202500833

Magnetocaloric effect Negative thermal expansion Zero thermal expansion

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https://resolver.tudelft.nl/uuid:b484fb8e-d05f-4487-bd59-f4b12db65194

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Publication Year

2025

Language

English

Research Group

RST/Fundamental Aspects of Materials and Energy

Bibliographical Note

Green Open Access added to TU Delft Institutional Repository as part of the Taverne amendment. More information about this copyright law amendment can be found at https://www.openaccess.nl. Otherwise as indicated in the copyright section: the publisher is the copyright holder of this work and the author uses the Dutch legislation to make this work public.@en

Issue number

20

Volume number

27

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Abstract

Zero thermal expansion (ZTE) materials, which maintain a constant length despite temperature variations, are highly desirable for advanced industrial applications. This review highlights recent progress in exploring ZTE behavior in Fe-based Laves phases, La–Fe–Si(Al)-based alloys, and rare-earth-based systems exhibiting the magnetocaloric effect (MCE). The abnormal lattice expansion observed in giant magnetocaloric materials, driven by magnetic interactions, provides a natural foundation for designing ZTE materials. This review offers new insights into the design and discovery of novel ZTE materials within MCE systems. Furthermore, key properties such as mechanical strength, thermal and electrical conductivity, and cycling stability are also discussed, paving the way for ZTE advancements in functional materials.

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