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Giant barocaloric effects at low pressure in ferrielectric ammonium sulphate

Author

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  • P. Lloveras

    (Departament de Física i Enginyeria Nuclear, ETSEIB, Universitat Politècnica de Catalunya)

  • E. Stern-Taulats

    (Facultat de Física, Departament d’Estructura i Constituents de la Matèria, Universitat de Barcelona)

  • M. Barrio

    (Departament de Física i Enginyeria Nuclear, ETSEIB, Universitat Politècnica de Catalunya)

  • J.-Ll. Tamarit

    (Departament de Física i Enginyeria Nuclear, ETSEIB, Universitat Politècnica de Catalunya)

  • S. Crossley

    (University of Cambridge, 27 Charles Babbage Road, Cambridge CB3 0FS, UK)

  • W. Li

    (University of Cambridge, 27 Charles Babbage Road, Cambridge CB3 0FS, UK
    School of Physics and Wuhan National High Magnetic Field Center, Huazhong University of Science and Technology)

  • V. Pomjakushin

    (Laboratory for Neutron Scattering and Imaging, Paul Scherrer Institut (PSI))

  • A. Planes

    (Facultat de Física, Departament d’Estructura i Constituents de la Matèria, Universitat de Barcelona)

  • Ll. Mañosa

    (Facultat de Física, Departament d’Estructura i Constituents de la Matèria, Universitat de Barcelona)

  • N. D. Mathur

    (University of Cambridge, 27 Charles Babbage Road, Cambridge CB3 0FS, UK)

  • X. Moya

    (Facultat de Física, Departament d’Estructura i Constituents de la Matèria, Universitat de Barcelona
    University of Cambridge, 27 Charles Babbage Road, Cambridge CB3 0FS, UK)

Abstract

Caloric effects are currently under intense study due to the prospect of environment-friendly cooling applications. Most of the research is centred on large magnetocaloric effects and large electrocaloric effects, but the former require large magnetic fields that are challenging to generate economically and the latter require large electric fields that can only be applied without breakdown in thin samples. Here we use small changes in hydrostatic pressure to drive giant inverse barocaloric effects near the ferrielectric phase transition in ammonium sulphate. We find barocaloric effects and strengths that exceed those previously observed near magnetostructural phase transitions in magnetic materials. Our findings should therefore inspire the discovery of giant barocaloric effects in a wide range of unexplored ferroelectric materials, ultimately leading to barocaloric cooling devices.

Suggested Citation

  • P. Lloveras & E. Stern-Taulats & M. Barrio & J.-Ll. Tamarit & S. Crossley & W. Li & V. Pomjakushin & A. Planes & Ll. Mañosa & N. D. Mathur & X. Moya, 2015. "Giant barocaloric effects at low pressure in ferrielectric ammonium sulphate," Nature Communications, Nature, vol. 6(1), pages 1-6, December.
    • Handle: RePEc:nat:natcom:v:6:y:2015:i:1:d:10.1038_ncomms9801
    DOI: 10.1038/ncomms9801
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    Cited by:

    1. Jinyoung Seo & Ryan D. McGillicuddy & Adam H. Slavney & Selena Zhang & Rahil Ukani & Andrey A. Yakovenko & Shao-Liang Zheng & Jarad A. Mason, 2022. "Colossal barocaloric effects with ultralow hysteresis in two-dimensional metal–halide perovskites," Nature Communications, Nature, vol. 13(1), pages 1-15, December.
    2. Shin-ichi Ohkoshi & Kosuke Nakagawa & Marie Yoshikiyo & Asuka Namai & Kenta Imoto & Yugo Nagane & Fangda Jia & Olaf Stefanczyk & Hiroko Tokoro & Junhao Wang & Takeshi Sugahara & Kouji Chiba & Kazuhiko, 2023. "Giant adiabatic temperature change and its direct measurement of a barocaloric effect in a charge-transfer solid," Nature Communications, Nature, vol. 14(1), pages 1-12, December.
    3. Qingyong Ren & Ji Qi & Dehong Yu & Zhe Zhang & Ruiqi Song & Wenli Song & Bao Yuan & Tianhao Wang & Weijun Ren & Zhidong Zhang & Xin Tong & Bing Li, 2022. "Ultrasensitive barocaloric material for room-temperature solid-state refrigeration," Nature Communications, Nature, vol. 13(1), pages 1-9, December.

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