Pressure dependence of the magnetic properties of CuCl2 · 2D2O at low temperatures
V. A. GalushkoPhysicotechnical Institute, Academy of Sciences of the Ukrainian SSR, DonetskS. V. IvanovaPhysicotechnical Institute, Academy of Sciences of the Ukrainian SSR, DonetskYu. G. PashkevichPhysicotechnical Institute, Academy of Sciences of the Ukrainian SSR, DonetskВ. Т. ТелепаPhysicotechnical Institute, Academy of Sciences of the Ukrainian SSR, Donetsk
ABI
Аннотация
The magnetic phase diagram of antiferromagnetic CuCl2 · 2D2O under high hydrostatic pressures, of up to 15 kbar, was studied by the nuclear-magnetic-resonance method. The pressure dependence of the Neel temperature, of the spin-flop transition field intensity, and of the triple-point temperature and field intensity has been determined as a result. The magnetoelastic constants of CuCl2 · 2D2O are calculated from the experimental data. It is demonstrated that the most appreciable change of the Néel temperature TN under hydrostatic pressure must be due to a decrease of the interplanar distance along the c axis.
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