具有萤石和泰山石结构的氟化物超离子导体中电荷载体的迁移率和浓度上限

IF 0.6 4区材料科学 Q4 CRYSTALLOGRAPHY

Crystallography Reports Pub Date : 2024-07-25 DOI:10.1134/s1063774524600388

N. I. Sorokin

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引用次数: 0

摘要

摘要在晶体物理模型中计算了萤石（CaF2、SrF2、BaF2 和 PbF2）和泰松石（LaF3）结构类型的氟化物超离子导体中电荷载流子的迁移率和浓度的最大值。结果表明，氟化物超离子晶体状态下的离子电导率、载流子迁移率和浓度的上限分别为 4 ± 1 S/cm、(5 ± 1) × 10-3 cm2/(V s) 和 (5 ± 2) × 1021 cm-3（氟离子总量的 10 ± 4%）。

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Upper Limit of the Mobility and Concentration of Charge Carriers in Fluoride Superionic Conductors with Fluorite and Tysonite Structures

Abstract

The maximum values of the mobility and concentration of charge carriers in fluoride superionic conductors of the fluorite (CaF₂, SrF₂, BaF₂, and PbF₂) and tysonite (LaF₃) structural types have been calculated within the crystallophysical model. It is shown that the upper limits of the ionic conductivity and carrier mobility and concentration in the crystalline state of fluoride superionics are, respectively, 4 ± 1 S/cm, (5 ± 1) × 10⁻³ cm²/(V s), and (5 ± 2) × 10²¹ cm⁻³ (10 ± 4% of the total amount of fluorine ions).

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来源期刊

Crystallography Reports 化学-晶体学

CiteScore

1.10

自引率

28.60%

发文量

审稿时长

4-8 weeks

期刊介绍： Crystallography Reports is a journal that publishes original articles short communications, and reviews on various aspects of crystallography: diffraction and scattering of X-rays, electrons, and neutrons, determination of crystal structure of inorganic and organic substances, including proteins and other biological substances; UV-VIS and IR spectroscopy; growth, imperfect structure and physical properties of crystals; thin films, liquid crystals, nanomaterials, partially disordered systems, and the methods of studies.