二维非局部筛选对过渡金属二卤化物单层特性的影响

IF 16.4 1区化学 Q1 CHEMISTRY, MULTIDISCIPLINARY

Accounts of Chemical Research Pub Date : 2024-03-07 DOI:10.1088/1361-6641/ad3113

V. Mughnetsyan, A. Manaselyan, Ashot Movsisyan, A. Kirakosyan

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引用次数: 0

摘要

以针对原子薄层绝缘材料介电函数（P. Cudazzo 等人，PRB 84, 085406 (2011)）开发的理论为基础，在变分法框架内计算了过渡金属二钙化物单层的一些特性。该方法最初设计用于极弱或极强的磁场，但也与中间磁场的数值结果非常吻合。在无磁场和有磁场的情况下，都获得了取决于问题有效屏蔽参数的地面杂质态能量和有效半径的表达式。

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Effect of two-dimensional non-local screening on characteristics of transition metal dichalcogenide monolayers

On the basis of the theory, developed for the dielectric function of atomic thin layer insulating materials (P. Cudazzo et al., PRB 84, 085406 (2011)) some characteristics of transition metal dichalcogenides’ monolayers are calculated in the frame of variational method. This method initially has been designed to work for very weak or strong magnetic fields, but it is also in very good agreement with numerical results obtained for intermediate magnetic fields. The expressions of the energy and the effective radius of the ground impurity state depending on the effective screening parameter of the problem are obtained both without and with magnetic fields.

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来源期刊

Accounts of Chemical Research 化学-化学综合

CiteScore

31.40

自引率

1.10%

发文量

312

审稿时长

2 months

期刊介绍： Accounts of Chemical Research presents short, concise and critical articles offering easy-to-read overviews of basic research and applications in all areas of chemistry and biochemistry. These short reviews focus on research from the author’s own laboratory and are designed to teach the reader about a research project. In addition, Accounts of Chemical Research publishes commentaries that give an informed opinion on a current research problem. Special Issues online are devoted to a single topic of unusual activity and significance. Accounts of Chemical Research replaces the traditional article abstract with an article "Conspectus." These entries synopsize the research affording the reader a closer look at the content and significance of an article. Through this provision of a more detailed description of the article contents, the Conspectus enhances the article's discoverability by search engines and the exposure for the research.