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Ferromagnetism above room temperature in Mn-Si-C alloy films

Gajdzik, Martin 1; Sürgers, Christoph 1; Kelemen, Marc T. 1; Hillebrands, Burkard 1; Löhneysen, Hilbert v. 1
1 Physikalisches Institut (PHI), Karlsruher Institut für Technologie (KIT)

Mn-Si-C alloy films are prepared by e-beam coevaporation onto a Si substrate held at 600 degrees C. Ferromagnetism is observed below T-c=(360+/-5)K with SQUID magnetometry and magneto-optical Kerr effect. This is the highest Curie temperature T-c yet observed for a Mn-based alloy. Although the composition determined by Auger depth profiling varies appreciably for different films, their T-c is the same indicating that ferromagnetism is caused by an alloy of well-defined composition independent of precipitations. (C) 1996 American Institute of Physics.

DOI: 10.1063/1.115820
Zitationen: 12
Zitationen: 11
Zugehörige Institution(en) am KIT Physikalisches Institut (PHI)
Publikationstyp Zeitschriftenaufsatz
Publikationsjahr 1996
Sprache Deutsch
Identifikator ISSN: 0003-6951
KITopen-ID: 190596
Erschienen in Applied Physics Letters
Verlag American Institute of Physics (AIP)
Band 68
Heft 22
Seiten 3189-3190
Nachgewiesen in Scopus
Web of Science
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