Large magnetic entropy change in perovskite La 0.67-xGd xCa 0.33MnO 3

He Huang, Zai Bing Guo, Jian Rong Zhang, You Wei Du

Research output: Contribution to journalArticlepeer-review

6 Scopus citations

Abstract

Magnetic entropy change larger than that of gadolinium has been observed in perovskite manganese oxides La 0.67-xGd xCa 0.33MnO 3 (x = 0, 0.1, 0.15) with fixed carrier concentration. The large magnetic entropy change produced by the abrupt reduction of magnetization is attributed to the anomalous thermal expansion just at the Curie temperature. This phenomenon indicates potential applications for magnetic refrigerants in an extended high temperature range.

Original languageEnglish (US)
Pages (from-to)786-788
Number of pages3
JournalChinese Physics Letters
Volume14
Issue number10
DOIs
StatePublished - 1997
Externally publishedYes

ASJC Scopus subject areas

  • Physics and Astronomy(all)

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