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    Giant low-field magnetocaloric effect of (Er,Y)Cr2Si2 compounds at ultra-low temperatures

    Low-temperature and low-field magnetocaloric materials with high magnetocaloric effect (MCE) performance have important prospects in applications such as gas liquefaction. A series of polycrystalline Er1−xYxCr2Si

    Lei ** 奚磊, **nqi Zheng 郑新奇, Yawei Gao 高亚伟, Jiawang Xu 许家旺 in Science China Materials (2023)