石墨烯纳米颗粒对各向同性向列相转变的影响

IF 1.3 4区材料科学 Q3 CRYSTALLOGRAPHY

Phase Transitions Pub Date : 2023-09-27 DOI:10.1080/01411594.2023.2262703

Prabir Kumar Mukherjee

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引用次数: 0

摘要

摘要:结合Flory-Huggins的各向同性混合理论和Landau理论，建立了描述石墨烯纳米颗粒对各向同性向向相转变的影响的acta模型。讨论了石墨烯纳米粒子的温度和浓度对取向序参数、相变温度和各向同性向列相相变的热力学量的影响。各向同性向列相附近的取向序参数、转变温度和焓随石墨烯纳米颗粒的增加而增加。关键词:向列型液晶石墨烯纳米粒子相变披露声明作者未报告潜在利益冲突。

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Eﬀect of graphene nanoparticles on the isotropic to nematic phase transition

ABSTRACTA model combining with Flory-Huggins theory of isotropic mixing and Landau theory is developed to describe the effect of graphene nanoparticles on the isotropic to nematic phase transition. The temperature and concentration of graphene nanoparticles dependence on the orientational order parameter, transition temperature and thermodynamic quantities near the isotropic to nematic phase transition are discussed. The orientational order parameter, transition temperature and enthalpy near the isotropic to nematic phase transition increase with the increase of graphene nanoparticles.KEYWORDS: Nematic liquid crystalgraphenenanoparticlesphase transition Disclosure statementNo potential conflict of interest was reported by the author(s).

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来源期刊

Phase Transitions 物理-晶体学

CiteScore

3.00

自引率

6.20%

发文量

审稿时长

1.4 months

期刊介绍： Phase Transitions is the only journal devoted exclusively to this important subject. It provides a focus for papers on most aspects of phase transitions in condensed matter. Although emphasis is placed primarily on experimental work, theoretical papers are welcome if they have some bearing on experimental results. The areas of interest include: -structural phase transitions (ferroelectric, ferroelastic, multiferroic, order-disorder, Jahn-Teller, etc.) under a range of external parameters (temperature, pressure, strain, electric/magnetic fields, etc.) -geophysical phase transitions -metal-insulator phase transitions -superconducting and superfluid transitions -magnetic phase transitions -critical phenomena and physical properties at phase transitions -liquid crystals -technological applications of phase transitions -quantum phase transitions Phase Transitions publishes both research papers and invited articles devoted to special topics. Major review papers are particularly welcome. A further emphasis of the journal is the publication of a selected number of small workshops, which are at the forefront of their field.