Magnetic and transport properties of some single-crystalline uranium selenides

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作者：

Academy of Sciences of the Ukraine, Kharkov, Ukraine ^{[1
]}

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来源：

J Magn Magn Mater | / pt 2卷 / 1435-1436期

关键词：

Antiferromagnetism - Electric conductivity measurement - Electric insulating materials - Ferromagnetic materials - Magnetic permeability - Magnetic properties - Magnetic variables measurement - Magnetization - Magnetoresistance - Single crystals - Thermal effects - Transport properties;

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摘要：

The results of magnetization, magnetic susceptibility, resistivity and magnetoresistivity measurements for αUSe2, βUSe2, U3Se5 and USe3 single crystals are reported. For αUSe2, χ(T) goes through a maximum at T = 13 K, which may indicate an antiferromagnetic transition. βUSe2 and U3Se5 are ferromagnets with TC = 14 and 24 K, respectively. The temperature dependences of the electrical resistivity, measured for all compounds on single-crystalline samples, reveal semiconducting properties of αUSe2, βUSe2 and U3Se5, but USe3 behaves as an insulator.

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