| Autor: |
Khrustalyov, V. M., Savytsky, V. N., Kharchenko, M. F. |
| Předmět: |
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| Zdroj: |
Low Temperature Physics; Nov2017, Vol. 43 Issue 11, p1332-1337, 6p, 7 Graphs |
| Abstrakt: |
A study of the differential magnetic susceptibility and electric polarization of an antiferromagnetic LiCoPO4 crystal in a pulsed magnetic field with an intensity of up to 290 kOe, directed along the antiferromagnetism vector of the spin-ordering main mode (H‖b), at initial sample temperatures between 1.6 and 20.8 K. An adiabatic (H, Ti)-diagram of magnetic phase transitions is constructed. In addition to the three transitions that were discovered earlier at helium temperatures, higher temperatures revealed singularities that indicate the existence of a first-order phase transition line in the high-field phase II, which ends at a critical point. The coordinates of the critical point at which the lines of the phase transitions bordering the region of existence of high-field phase III converge with the line of the phase transitions from phase II to the saturated paramagnetic phase, are also determined. [ABSTRACT FROM AUTHOR] |
| Databáze: |
Complementary Index |
| Externí odkaz: |
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