Research progress in rare earth-based low-temperature magnetocaloric effect materials
Low-temperature refrigeration technology plays a crucial role in modern industries,including gas liquefac-tion and storage,aerospace,space exploration,and low-temperature scientific research.Compared with traditional gas compression/expansion refrigeration,magnetic refrigeration technology based on the magnetocaloric effect has the advantages of being environmentally friendly and high-efficiency,and is considered one of the most promising new refrigeration technologies.For a long time,exploring and obtaining magnetic refrigeration materials with suit-able working temperature ranges,large magnetic entropy change,wide refrigerant temperature span,high refrigera-tion capacity,and large adiabatic temperature change is the continuous pursuit of researchers.Review the research progress of rare earth-based binary,ternary intermetallic compounds and rare earth based perovskite oxide magnetic refrigeration materials in the low temperature region,and provides an outlook on the development prospects of low temperature magnetic refrigeration materials.
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