Spin glass behavior in FeAl2

Chin-Shan Lue; Y. Öner; D. G. Naugle; Joseph H. Ross

Spin glass behavior in FeAl2

Chin-Shan Lue, Y. Öner, D. G. Naugle, Joseph H. Ross

Department of Physics

Research output: Contribution to journal › Article

Abstract

Magnetic and transport measurements indicate FeAl₂ to be an ordered intermetallic spin glass, with canonical behavior including a susceptibility cusp at T_f= 35 K and frequency-dependent susceptibility below T_f. The field-cooled and zero-field-cooled magnetization diverge below T_f, with hysteresis characteristic of a spin glass. A resistivity minimum just above T_f is explained in terms of coherent magnetic scattering. This behavior is common to spin glasses with short-range interactions among f-electron moments and indicates a similar spin configuration in these materials.

Original language	English
Article number	184405
Pages (from-to)	1844051-1844054
Number of pages	4
Journal	Physical Review B - Condensed Matter and Materials Physics
Volume	63
Issue number	18
Publication status	Published - 2001

All Science Journal Classification (ASJC) codes

Condensed Matter Physics

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Lue, C-S., Öner, Y., Naugle, D. G., & Ross, J. H. (2001). Spin glass behavior in FeAl2 . Physical Review B - Condensed Matter and Materials Physics, 63(18), 1844051-1844054. [184405].

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AB - Magnetic and transport measurements indicate FeAl2 to be an ordered intermetallic spin glass, with canonical behavior including a susceptibility cusp at Tf= 35 K and frequency-dependent susceptibility below Tf. The field-cooled and zero-field-cooled magnetization diverge below Tf, with hysteresis characteristic of a spin glass. A resistivity minimum just above Tf is explained in terms of coherent magnetic scattering. This behavior is common to spin glasses with short-range interactions among f-electron moments and indicates a similar spin configuration in these materials.

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