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18Gap closure in semiconducting APtSn cubic compoundsPhilosophical Magazine 83 (10): 1235-1253. 2003.UPtSn is known as a semimetal with a bandgap in the electronic density of states. We report the results of measurements of the cubic lattice parameter a , coefficient of thermal expansion f , magnetic susceptibility h , magnetization , specific heat C and electrical resistivity . We give arguments that this compound is antiferromagnetically ordered with T N = 35 K, although this is not confirmed by neutron diffraction. For carefully annealed samples of UPtSn we provide a phenomenological des…Read more
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