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Absence of antiferromagnetic order in UBe13
Abstract
The linear magnetostriction (λ{norm of matrix} and λ⊥) of a single-crystalline sample of the heavy-fermion compound UBe13 has been measured for fields B < 8 T (B{norm of matrix}[100]) in the temperature interval 0.3 < T < 12 K. We find neither evidence for the antiferromagnetic order (TN = 8.8 K) nor for the magnetostrictive oscillations, that were reported recently. Instead λ varies proportional to B2 as expected for a normal paramagnetic metal. © 1992.
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