Spin glass behavior in FeAl2

C. S. Lue; Y. öner; D. G. Naugle; Joseph H. Ross

doi:10.1103/PhysRevB.63.184405

Spin glass behavior in FeAl₂

C. S. Lue, Y. öner, D. G. Naugle, Joseph H. Ross

Department of Physics

Research output: Contribution to journal › Article › peer-review

55 Citations (Scopus)

Abstract

Magnetic and transport measurements indicate FeAl₂ to be an ordered intermetallic spin glass, with canonical behavior including a susceptibility cusp at T_f = 35K 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_fis explained in terms of coherent magnetic scattering. This behavior is common to spin glasses with short-range interactions among f-electronmoments and indicates a similar spin configuration in these materials.

Original language	English
Journal	Physical Review B - Condensed Matter and Materials Physics
Volume	63
Issue number	18
DOIs	https://doi.org/10.1103/PhysRevB.63.184405
Publication status	Published - 2001 Apr 16

All Science Journal Classification (ASJC) codes

Electronic, Optical and Magnetic Materials
Condensed Matter Physics

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AU - Lue, C. S.

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AU - Naugle, D. G.

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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 = 35K 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 Tfis explained in terms of coherent magnetic scattering. This behavior is common to spin glasses with short-range interactions among f-electronmoments and indicates a similar spin configuration in these materials.

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