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Microstructure and magnetic coercivity in vacuum-deposited Mn35Ga65 thin films

✍ Scribed by J. Aoki; K. Morii; T. Matsui; Y. Nakayama


Publisher
Elsevier Science
Year
1991
Tongue
English
Weight
507 KB
Volume
10
Category
Article
ISSN
0921-5107

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✦ Synopsis


Thin films of Mn35Ga~,.s were prepared on glass substrates by a conventional vacuum evaporation technique, and the magnetization behaviour was examined in relation to the phase evolution on thermal annealing. A very high magnetic coercivity of about 250 kA mwas obtained in the films deposited on the 373 K substrates after annealing in the temperature range 473-573 K for 0.5 h. The microstructure of the films was composed of Mn~Ga.~ crystallites together with an unidentified second phase, which was tentatively assumed to have an orthorhombic cell.


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