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Abstract:
We report on the anisotropy of magnetization, electrical resistivity and
upper critical magnetic fields (H(c2)) of U-GAMMA-d2Al3. 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 -(dH(C2)/dT) at T(C) 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.