Low coercivity of amorphous La-Co films

Tong Yun Zhao, Jian Gao Zhao, Bao Gen Seen, Zheng Sheng Shan, D. J. Sellmyer

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Abstract

The structure and magnetic properties of sputtered La-Co alloy films have been studied. Less than 10 A/m (100 m Oe) coercivity can be obtained in amorphous La 100-xCo x films around x = 80 and the coercivitx of amorphous La 20 Co 80 film depends on the thickness of the film. The magnetization behaviour has been examined for the films with different compositions through magnetic hysteresis loops. An excellent rectangular magnetic hysteresis loop was obtained for films with thickness less than 60 nm.

Original languageEnglish (US)
Pages (from-to)943-945
Number of pages3
JournalChinese Physics Letters
Volume14
Issue number12
DOIs
StatePublished - Dec 1 1997

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ASJC Scopus subject areas

  • Physics and Astronomy(all)

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