All-temperature barocaloric effects at pressure-induced phase transitions

Abstract Caloric effects, which underpin one solution to solid-state refrigeration technologies, usually occur in the vicinity of solid-state phase transitions with a limited refrigeration temperature span. Here, we introduce and realize an unprecedented concept ‒ all-temperature barocaloric effect,...

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Main Authors: Xueting Zhao, Zhao Zhang, Takanori Hattori, Jiantao Wang, Lingli Li, Yating Jia, Wanwu Li, Jianing Xue, Xiaoyan Fan, Ruiqi Song, Jinlong Zhu, Peitao Liu, Xing-Qiu Chen, Zhidong Zhang, Bing Li
Format: Article
Language:English
Published: Nature Portfolio 2025-08-01
Series:Nature Communications
Online Access:https://doi.org/10.1038/s41467-025-63068-z
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author Xueting Zhao
Zhao Zhang
Takanori Hattori
Jiantao Wang
Lingli Li
Yating Jia
Wanwu Li
Jianing Xue
Xiaoyan Fan
Ruiqi Song
Jinlong Zhu
Peitao Liu
Xing-Qiu Chen
Zhidong Zhang
Bing Li
author_facet Xueting Zhao
Zhao Zhang
Takanori Hattori
Jiantao Wang
Lingli Li
Yating Jia
Wanwu Li
Jianing Xue
Xiaoyan Fan
Ruiqi Song
Jinlong Zhu
Peitao Liu
Xing-Qiu Chen
Zhidong Zhang
Bing Li
author_sort Xueting Zhao
collection DOAJ
description Abstract Caloric effects, which underpin one solution to solid-state refrigeration technologies, usually occur in the vicinity of solid-state phase transitions with a limited refrigeration temperature span. Here, we introduce and realize an unprecedented concept ‒ all-temperature barocaloric effect, i.e., a remarkable barocaloric effect in KPF6 across an exceptionally wide temperature span, from 77.5 to 300 K and potentially down to 4 K, covering typical room temperature, liquid nitrogen, liquid hydrogen, and liquid helium refrigeration regions. The directly measured barocaloric adiabatic temperature change reaches 12 K at room temperature and 2.5 K at 77.5 K upon the release of a 250 MPa pressure. This effect is attributed to a persistent phase transition to a rhombohedral high-pressure phase, as evidenced by pressure-dependent neutron powder diffraction, Raman scattering analyses, and first-principles calculations. We depict the thermodynamic energy landscape to account for the structural instability. This unique all-temperature barocaloric effect presents a novel approach to highly applicable solid-state refrigeration technology, transcending the conventional multi-stage scenario.
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institution Kabale University
issn 2041-1723
language English
publishDate 2025-08-01
publisher Nature Portfolio
record_format Article
series Nature Communications
spelling doaj-art-96e117c2c7cc443eb43cbd4a421a9f2a2025-08-24T11:38:10ZengNature PortfolioNature Communications2041-17232025-08-011611810.1038/s41467-025-63068-zAll-temperature barocaloric effects at pressure-induced phase transitionsXueting Zhao0Zhao Zhang1Takanori Hattori2Jiantao Wang3Lingli Li4Yating Jia5Wanwu Li6Jianing Xue7Xiaoyan Fan8Ruiqi Song9Jinlong Zhu10Peitao Liu11Xing-Qiu Chen12Zhidong Zhang13Bing Li14Shenyang National Laboratory for Materials Science, Institute of Metal Research, Chinese Academy of Sciences, 72 Wenhua RoadShenyang National Laboratory for Materials Science, Institute of Metal Research, Chinese Academy of Sciences, 72 Wenhua RoadJ-PARC Center, Japan Atomic Energy Agency, Tokai, NakaShenyang National Laboratory for Materials Science, Institute of Metal Research, Chinese Academy of Sciences, 72 Wenhua RoadShenyang National Laboratory for Materials Science, Institute of Metal Research, Chinese Academy of Sciences, 72 Wenhua RoadDepartment of Physics, Southern University of Science and TechnologyShenyang National Laboratory for Materials Science, Institute of Metal Research, Chinese Academy of Sciences, 72 Wenhua RoadShenyang National Laboratory for Materials Science, Institute of Metal Research, Chinese Academy of Sciences, 72 Wenhua RoadShenyang National Laboratory for Materials Science, Institute of Metal Research, Chinese Academy of Sciences, 72 Wenhua RoadShenyang National Laboratory for Materials Science, Institute of Metal Research, Chinese Academy of Sciences, 72 Wenhua RoadDepartment of Physics, Southern University of Science and TechnologyShenyang National Laboratory for Materials Science, Institute of Metal Research, Chinese Academy of Sciences, 72 Wenhua RoadShenyang National Laboratory for Materials Science, Institute of Metal Research, Chinese Academy of Sciences, 72 Wenhua RoadShenyang National Laboratory for Materials Science, Institute of Metal Research, Chinese Academy of Sciences, 72 Wenhua RoadShenyang National Laboratory for Materials Science, Institute of Metal Research, Chinese Academy of Sciences, 72 Wenhua RoadAbstract Caloric effects, which underpin one solution to solid-state refrigeration technologies, usually occur in the vicinity of solid-state phase transitions with a limited refrigeration temperature span. Here, we introduce and realize an unprecedented concept ‒ all-temperature barocaloric effect, i.e., a remarkable barocaloric effect in KPF6 across an exceptionally wide temperature span, from 77.5 to 300 K and potentially down to 4 K, covering typical room temperature, liquid nitrogen, liquid hydrogen, and liquid helium refrigeration regions. The directly measured barocaloric adiabatic temperature change reaches 12 K at room temperature and 2.5 K at 77.5 K upon the release of a 250 MPa pressure. This effect is attributed to a persistent phase transition to a rhombohedral high-pressure phase, as evidenced by pressure-dependent neutron powder diffraction, Raman scattering analyses, and first-principles calculations. We depict the thermodynamic energy landscape to account for the structural instability. This unique all-temperature barocaloric effect presents a novel approach to highly applicable solid-state refrigeration technology, transcending the conventional multi-stage scenario.https://doi.org/10.1038/s41467-025-63068-z
spellingShingle Xueting Zhao
Zhao Zhang
Takanori Hattori
Jiantao Wang
Lingli Li
Yating Jia
Wanwu Li
Jianing Xue
Xiaoyan Fan
Ruiqi Song
Jinlong Zhu
Peitao Liu
Xing-Qiu Chen
Zhidong Zhang
Bing Li
All-temperature barocaloric effects at pressure-induced phase transitions
Nature Communications
title All-temperature barocaloric effects at pressure-induced phase transitions
title_full All-temperature barocaloric effects at pressure-induced phase transitions
title_fullStr All-temperature barocaloric effects at pressure-induced phase transitions
title_full_unstemmed All-temperature barocaloric effects at pressure-induced phase transitions
title_short All-temperature barocaloric effects at pressure-induced phase transitions
title_sort all temperature barocaloric effects at pressure induced phase transitions
url https://doi.org/10.1038/s41467-025-63068-z
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