Semotyuk O. Stochastic mode of the modulated structure in the incommensurate phase of N(CH3)4]2MeCl4 (Me = Cu, Zn, Fe) crystas.

Українська версія

Thesis for the degree of Candidate of Sciences (CSc)

State registration number

0410U000998

Thesis Registration Form

0410U000998.pdf

Applicant for

Specialization

  • 01.04.10 - Фізика напівпровідників і діелектриків

26-02-2010

Specialized Academic Board

Д 35.051.09

Ivan Franko National University of Lviv

Essay

The dissertation is devoted to study of the regularities of incommensurate structure evolution in the stochastic mode of N(CH3)4]2MeCl4 (Me = Cu, Zn, Fe) dielectric crystals. It has been found that in incommensurate phase the multimode state of modulated structure exists. It is characterized by superposition of the existing modulation waves in the whole crystal sample as well as blocked crystal structure with different wave vectors in blocks. It has been shown that in conditions of blocked structure the incommensurate superstructure transforms to stochastic mode and chaotic phase appeares. Keywords: incommensurate phase, soliton, stochastic mode, chaotic phase.

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Files

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_A5last.doc

avto_tytul_A5Ostap.doc

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