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Magnetic behavior of Ce( Cu 1 - x Ag x ) 6

Magnetic behavior of Ce( Cu 1 - x Ag x ) 6 We have investigated doped CeCu 6 via x-ray diffraction, dc and ac susceptibility, and specific heat in zero and applied magnetic field with a primary focus on the magnetic behavior caused by Ag doping. We present evidence from bulk specific heat and metallography data that the limit of Ag solubility in Ce( Cu 1 - x Ag x ) 6 is x∼0.1 . Data below the magnetic ordering temperature may be fit to an exponential temperature dependence, implying a weak-coupled energy gap of Δ=0.58 K, contradicting an earlier report that C behaves linearly with temperature with a γ over 3 J/mol K 2 in the ordered state. Comparisons to magnetically ordered, doped UPt 3 are made. http://www.deepdyve.com/assets/images/DeepDyve-Logo-lg.png Physical Review B American Physical Society (APS)

Magnetic behavior of Ce( Cu 1 - x Ag x ) 6

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Publisher
American Physical Society (APS)
Copyright
Copyright © 1989 The American Physical Society
ISSN
1095-3795
DOI
10.1103/PhysRevB.40.4735
Publisher site
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Abstract

We have investigated doped CeCu 6 via x-ray diffraction, dc and ac susceptibility, and specific heat in zero and applied magnetic field with a primary focus on the magnetic behavior caused by Ag doping. We present evidence from bulk specific heat and metallography data that the limit of Ag solubility in Ce( Cu 1 - x Ag x ) 6 is x∼0.1 . Data below the magnetic ordering temperature may be fit to an exponential temperature dependence, implying a weak-coupled energy gap of Δ=0.58 K, contradicting an earlier report that C behaves linearly with temperature with a γ over 3 J/mol K 2 in the ordered state. Comparisons to magnetically ordered, doped UPt 3 are made.

Journal

Physical Review B – American Physical Society (APS)

Published: Sep 1, 1989

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