Anisotropy in a Heavy Fermion Superconductor: UPd<SUB>2</SUB>Al<SUB>3</SUB>

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  • Anisotropy in a Heavy Fermion Superconductor:UPd2Al3
  • Anisotropy in a Heavy Fermion Supercond
  • Anisotropy in a Heavy Fermion Superconductor: UPd<sub><b>2</b></sub>Al<sub><b>3</b></sub>

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We report on the anisotropy of magnetization, electrical resistivity and upper critical magnetic fields (HC2) of UPd2Al3. The magnetization curve in the antiferromagnetically ordered state shows large anisotropy, indicating that the sublattice moments lie in the basal hexagonal plane. The value of −(dHC2⁄dT) at TC is estimated to be about 36 (kOe/K) for the magnetic field parallel and perpendicular to the hexagonal c-axis, and the upper critical field seems to be rather isotropic.

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