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Effect of pressure on the Néel temperature of YMn2. Resistivity of Y(Mn1-xCux)2

Resistivity measurements have been carried out for Y(Mn1-xCux)2 compounds with values of x of 0, 0.04, 0.07, 0.10, 0.20 and 0.30 in the temperature range from 4.2 up to 300 K at zero pressure and for YMn2 under a pressure of 2 kbar. TN has been found to decrease rapidly by applying external pressure as well as by applying a chemical pressure caused by a partial substitution of Mn atoms by Cu atoms. © 1992.


 Kim-Ngan N.H., Brommer P.E., Franse J.J.M., Hien T.D.
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  Từ khóa : Magnetic Properties - Pressure Effects; Magnetic Properties - Thermal Effects; Yttrium Manganese Alloys - Composition Effects; Yttrium Manganese Alloys - Phase Transitions; Neel Temperature; Yttrium Manganese Alloys