2009年5月10日 · First-principles calculations predict that Bi2Se3, Bi2Te3 and Sb2Te3 are topological insulators—three-dimensional semiconductors with unusual surface states generated by spin–orbit coupling ...

Bismuth selenide (Bi2Se3) is a gray compound of bismuth and selenium also known as bismuth (III) selenide.

硒化铋 （Bi 2 Se 3）是一种灰色粉末，它是一种 半导体，为 热电 材料。 [4] 具有完美 化学计量比 的硒化铋是半导体，带宽为0.3 eV，其硒空穴是电子授体，化学性质类似 半金属。 [5] 在硒化铋中，观察到了 拓扑保护表面态， [6] 它是现在科学研究的主题。 [7] ^ Bismuth (III) selenide - PubChem Public Chemical Database. Pubchem.ncbi.nlm.nih.gov. 2011-10-21 [2011-11-01]. ^ 跳转到： 2.0 2.1 2.2 bismuth selenide | Bi2Se3. ChemSpider. [2011-11-01]. （原始内容 存档 …

2017年2月21日 · 在首个教程中，我们以经典的Bi2Se3三维强拓扑绝缘体体系为例子，来展示如何从第一性原理模拟到构造Wannier函数，最后到利用WannierTools研究拓扑性质的全过程。

2021年12月25日 · In this manuscript, a review on the meticulous studies of Bi2 Se 3 is presented where different synthesis techniques; crystal structures; various physical properties and modern day applications were taken into concern. 1. Introduction to topological insulator.

Bi2Se3 is MAX Phase-derived structured and crystallizes in the trigonal R-3m space group. The structure is two-dimensional and consists of three Bi2Se3 sheets oriented in the (0, 0, 1) direction.

2021年1月29日 · Here we report novel electric frequency doubling in the absence of BCD on a surface of the topological insulator Bi 2 Se 3 under zero magnetic field. We observe that the frequency-doubling...

2021年11月19日 · 2D layered materials with diverse exciting properties have recently attracted tremendous interest in the scientific community. Layered topological insulator Bi2 Se 3 comes into the spotlight as an exotic state of quantum matter with insulating bulk states and metallic Dirac-like surface states.

2013年2月12日 · In this work, we have synthesized various Bi 2 Se 3 nanocrystals with various morphologies, including nanotower, nanoplate, nanoflake, nanobeam and nanowire, using a simple CVD method. To the...

2018年5月10日 · Bi 2 Se 3 was synthesized by a room-temperature deposition technique and successive ionic layer adsorption and reaction (SILAR) method with the aim to understand the formation, crystallinity, optical properties, and energy band structure of this material.