Magnetic phase diagram of amorphous (FexNil-x)75P16B6A<math><mtext>l</mtext></math>3 alloys期刊界 All Journals 搜尽天下杂志传播学术成果专业期刊搜索期刊信息化学术搜索

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Magnetic phase diagram of amorphous (Fe_xNi_l-x)₇₅P₁₆B₆A $l$ ₃ alloys

Authors:	SM Bhagat JA Geohegan HS Chen

Institution:	Department of Physics and Astronomy University of Maryland, College Park, Md. 20742, USA;Bell Laboratories, Murray Hill, N.J. 07974, USA

Abstract:	We have studied the temperature dependence of the magnetic response of amorphous (Fe_xNi_l-x)₇₅P₁₆B₆A $l$ ₃ ribbons to a small low frequency applied field. For x ? 0.16 we identify a paramagnet-spin glass transition. With 0.17 ? x ? 0.4 a paramagnet-ferromagnet transition is observed which is followed at lower T by a spin freezing phenomenon. A magnetic phase diagram is proposed and discussed in terms of recent theories.

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