Influence of pressure on the magnetic (<i>H</i>−<i>T</i>) phase diagram of the rhombic antiferromagnet (C2H5NH3)2CuCl4
A. N. BogdanovPhysicotechnical Institute, Academy of Sciences of the Ukrainian SSR, DonetskA. I. PuzynyaPhysicotechnical Institute, Academy of Sciences of the Ukrainian SSR, DonetskВ. Т. ТелепаPhysicotechnical Institute, Academy of Sciences of the Ukrainian SSR, DonetskP. P. ShatskiĩPhysicotechnical Institute, Academy of Sciences of the Ukrainian SSR, Donetsk
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Аннотация
The effect of hydrostatic pressure (up to 10 kbar) on the magnetic properties of the rhombic antiferromagnet (C2H5NH3)2CuCl4 has been studied. The pressure dependences of the Néel temperature and also of the spin-flop and spin-flip transitions have been obtained. A phase transition of the Morin type was found in the region of pressure 6−7 kbar, induced by external pressure. It is shown that the law of corresponding states holds for the H−T diagram of (C2H5NH3)2CuCl4.
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