Drobnych O. Mechanisms of phase transitions in proper ferroelectrics of Sn2P2S6 type in dipole model.

Українська версія

Thesis for the degree of Candidate of Sciences (CSc)

State registration number

0400U002778

Thesis Registration Form

0400U002778.pdf

Applicant for

Specialization

  • 01.04.10 - Фізика напівпровідників і діелектриків

12-10-2000

Specialized Academic Board

К61.051.01

Essay

Investigation object (IO): ferroelectrics of Sn2P2S6 type - are Sn(Pb)2P2S(Se)6 crystals and their solid solutions. Investigation aim - to accept conclusions about mechanisms of phase transitions. Investigation Method - numerical experiments in IO. New theoretical and practical results: Worked up dipole model of IO. Obtained phase diagrams and temperature dependences of thermodynamical functions. Applications: Planned. Sphere of applications: Study of cooperative phenomena in crystals.

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