Computer modeling of the critical behavior of a monoaxial helimagnet

D. V. Evsin, V. O. Borzilov, M. V. Mamonova, E. A. Pospelov, P. V. Prudnikov, G. G. Baksheev

Research output: Chapter in Book/Report/Conference proceedingConference contributionResearchpeer-review

Abstract

The thermodynamic characteristics and magnetic properties of monoaxial chiral helimagnet have been investigated by using a combination of ab initio calculations and classical Monte Carlo simulations. Ab initio calculations make it possible to calculate the values of magnetic moments and exchange coupling parameters for crystal structure CrNb3S6 which show the presence of the antiferromagnetic nature of the interaction for magnetic Cr atoms. The Monte Carlo simulations with ab initio exchange coupling constants as input parameters allow us to calculated thermodynamic characteristics such as magnetization, heat capacity, and susceptibility. Calculated values of heat capacity and susceptibility make it possible to determine the phase transition temperature from paramagnetic to antiferromagnetic phase. The crossover to chiral soliton lattice in monoaxial chiral helimagnet is determined by the temperature dependence of magnetization under various external magnetic fields.

Original languageEnglish
Title of host publicationVI All-Russian Scientific School-Conference for Young Scientists "Chemistry Under the Sign of SIGMA
Subtitle of host publicationResearch, Innovation, Technology"
EditorsAleksandr V. Lavrenov
PublisherAmerican Institute of Physics Inc.
ISBN (Electronic)9780735440357
DOIs
Publication statusPublished - 8 Dec 2020
Event6th All-Russian Scientific School-Conference for Young Scientists on Chemistry Under the Sign of SIGMA: Research, Innovation, Technology - Omsk, Russian Federation
Duration: 18 May 202020 May 2020

Publication series

NameAIP Conference Proceedings
Volume2301
ISSN (Print)0094-243X
ISSN (Electronic)1551-7616

Conference

Conference6th All-Russian Scientific School-Conference for Young Scientists on Chemistry Under the Sign of SIGMA: Research, Innovation, Technology
CountryRussian Federation
CityOmsk
Period18.05.202020.05.2020

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