Savyts'kyj V. Investigation of magnetic properties of the antiferromagnets in the orientation transition region

Українська версія

Thesis for the degree of Candidate of Sciences (CSc)

State registration number

0400U000842

Thesis Registration Form

0400U000842.pdf

Applicant for

Specialization

  • 01.04.11 - Магнетизм

28-03-2000

Specialized Academic Board

К 64.175.03

Essay

Objects: antiferromagnets CuCl2*2H2O, MnF2, Cr2O3, SmFeO3, La2CuO4. Goals: to investigate of behavior of a number of AFM in a process of spin reorientation under influence of a magnetic field. Methods: measuring of the magnetic moment, magnetic susceptibility, the field of orientation phase transition (Hc), a sample conductivity. New results: The sample magnetization component related to the irreversible displacement of interphase boundaries is separated experimentally on example CuCl2*2H2O and MnF2. A new method of the measurements is proposed. It is based on the coercive properties of domain boundaries. The fine structure of the spin-orientation transition and the magnetic memory phenomena in La2CuO4 has been established.

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