Effects of mixed rare earth occupancy on the low temperature properties of (R, R', R...)Ni2Ge2 single crystals

Temperature and applied magnetic field dependent magnetization measurements on 34 single crystalline samples of (R,R',R''...)Ni2Ge2 compounds (R,R',R'', etc. being primarily Gd-Lu, Y), were made. These measurements reveal that, despite extremes in local moment anisotrop...

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Veröffentlicht in:Journal of magnetism and magnetic materials 2007-05, Vol.312 (1), p.140-146
Hauptverfasser: LAW, S. A, BUD'KO, S. L, CANFIELD, P. C
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BUD'KO, S. L
CANFIELD, P. C
description Temperature and applied magnetic field dependent magnetization measurements on 34 single crystalline samples of (R,R',R''...)Ni2Ge2 compounds (R,R',R'', etc. being primarily Gd-Lu, Y), were made. These measurements reveal that, despite extremes in local moment anisotropy, the average de Gennes parameter is a remarkably good predictor of the paramagnetic to antiferromagnetic ordering temperature. In addition, the pronounced metamagnetic phase transitions seen in the low temperature phase of TbNi2Ge2 are found to be remarkably robust to high substitution levels of Gd and 25% substitutions of other heavy rare earths.
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source ScienceDirect Journals (5 years ago - present)
subjects Condensed matter: electronic structure, electrical, magnetic, and optical properties
Exact sciences and technology
Magnetic phase boundaries (including magnetic transitions, metamagnetism, etc.)
Magnetic properties and materials
Magnetically ordered materials: other intrinsic properties
Physics
title Effects of mixed rare earth occupancy on the low temperature properties of (R, R', R...)Ni2Ge2 single crystals
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