HOCU-BASED COLD-STORAGE MATERIAL, AND COLD-STORAGE DEVICE AND REFRIGERATING MACHINE EACH EQUIPPED THEREWITH

摘要

The present invention provides a cold-storage material having a high specific heat especially in the temperature range of 10-25 K and a cold-storage device and a refrigerating machine each equipped with the cold-storage material.Specifically, the present invention provides: an HoCu-based cold-storage material characterized by being represented by general formula (1)HoCu_2-xM_x (1)[wherein x is 0x≤1 and M represents at least one metal selected from among Al and transition metal elements (excluding Cu)]; and a cold-storage device and a refrigerating machine each equipped with the HoCu-based cold-storage material.