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Development of rare earth-ruthenium intermetallic compounds for use as regenerator materials.

[In Japanese. / En japonais.]

Author(s) : HANAUE Y., ISHIYAMA K., KIMURA E., TAKESHITA T., NAGAO M., INAGUCHI T., NAKA K.

Type of article: Article

Summary

These compounds show characteristically lower magnetic transition temperatures than other rare earth intermetallic compounds. The refrigeration capacity of Gifford-McMahon refrigerators has been remarkably improved by the use of holmium(1.5)-erbium(1.5)-ruthenium spheres as regenerator materials at the temperature range below 5 K. This material possesses a large heat capacity even under magnetic fields of 0.5 T in such a temperature range. Spherical powders of these materials were produced by a simple method.

Details

  • Original title: [In Japanese. / En japonais.]
  • Record ID : 1997-1307
  • Languages: Japanese
  • Source: Cryogenics/ Cryog. Eng. - vol. 31 - n. 4
  • Publication date: 1996
  • Document available for consultation in the library of the IIR headquarters only.

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