Analysis of Surface States of Crystals Using Ideas of Dynamical Theory of Diffraction

IF 0.5 4区物理与天体物理 Q4 PHYSICS, MULTIDISCIPLINARY

Journal of Contemporary Physics (Armenian Academy of Sciences) Pub Date : 2026-07-08 DOI:10.1134/S1068337226700295

M. K. Balyan

引用次数: 0

Abstract

Dynamical theory of surface states of nearly free electrons in a semi-infinite crystal are investigated. In addition to the results known in the theory of Bloch wave formalism with a complex wave vector, some new results were obtained. In particular, it is shown that surface states can be realized only at sufficiently small Bragg angles. An estimate of this angle is obtained. The width of the spatial localization region of electrons near the surface is also estimated. It is found that it is of the order of several tens of Ångströms.

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用衍射动力学理论分析晶体表面态

研究了半无限晶体中近自由电子表面态的动力学理论。在复波矢量布洛赫波形式理论中已有的结果之外，得到了一些新的结果。特别地，证明了表面态只有在足够小的布拉格角下才能实现。得到了这个角的估计。估计了电子在表面附近的空间定位区域的宽度。结果发现，它的数量级为Ångströms的几十倍。

本文章由计算机程序翻译，如有差异，请以英文原文为准。

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来源期刊

Journal of Contemporary Physics (Armenian Academy of Sciences) PHYSICS, MULTIDISCIPLINARY-

CiteScore

1.00

自引率

66.70%

发文量

审稿时长

6-12 weeks

期刊介绍： Journal of Contemporary Physics (Armenian Academy of Sciences) is a journal that covers all fields of modern physics. It publishes significant contributions in such areas of theoretical and applied science as interaction of elementary particles at superhigh energies, elementary particle physics, charged particle interactions with matter, physics of semiconductors and semiconductor devices, physics of condensed matter, radiophysics and radioelectronics, optics and quantum electronics, quantum size effects, nanophysics, sensorics, and superconductivity.