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Magnetic properties of amorphous Mn x B100−x alloys (1996)

Obi, Y. ; Hiroyoshi, H. ; Rao, K. V. ; [weitere]

Springer

Applied physics 62 (1996), S. 429-435

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Details

ISSN: 1432-0630

Schlagwort(e): 61.40. + b ; 75.50.Kj

Quelle: Springer Online Journal Archives 1860-2000

Thema: Maschinenbau , Physik

Notizen: Abstract Magnetic properties of amorphous Mn x B100−x alloys ranging fromx = 30 to 70 under high magnetic fields and low ac magnetic fields in the temperature range from 4.2 K to room temperature have been investigated. Samples which have Mn concentrations of aboutx = 40–60 show spin-glass-like properties in the low-temperature region. This spin-glass characteristics result from a frustration in the spin system which is caused by the competition of ferromagnetic and antiferromagnetic interactions between randomly distributed Mn atoms. Both magnetization at 4.2 K and paramagnetic momentP eff as a function of Mn concentration show a peak aroundx ≈ 44 which drops rapidly towards both sides of the Mn content.

Materialart: Digitale Medien

URL: http://dx.doi.org/10.1007/BF01567113

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