
Bismuth telluride - Wikipedia
Bismuth telluride (Bi2Te3) is a gray powder that is a compound of bismuth and tellurium also known as bismuth (III) telluride. It is a semiconductor, which, when alloyed with antimony or selenium, is an efficient thermoelectric material for refrigeration or portable power generation.
碲化铋 - 百度百科
碲化铋是一种灰色的粉末,分子式为Bi2Te3。碲化铋是个半导体材料,具有较好的导电性,但导热性较差。
Topological insulators in Bi2Se3, Bi2Te3 and Sb2Te3 with a ... - Nature
2009年5月10日 · Nature Physics - First-principles calculations predict that Bi2Se3, Bi2Te3 and Sb2Te3 are topological insulators—three-dimensional semiconductors with unusual surface states generated by...
碲化铋热电材料的研究应用 - 知乎 - 知乎专栏
碲化铋是一种灰色的粉末,分子式为Bi2Te3。 碲化铋是个半导体材料,具有较好的导电性,但导热性较差。 虽然碲化铋的危险性低,但是如果大量的摄取也有致命的危险但此种材料即可允许电子在室温条件下无能耗地在其表面运动,这将给芯片的运行速度带来 ...
Staggered-layer-boosted flexible Bi2Te3 films with high ... - Nature
2023年7月27日 · Here the authors present strategy to turn Bi2Te3-based single crystals into flexible films with staggered-layer structure while maintaining superior thermoelectric performance.
A review on bismuth telluride (Bi2Te3) nanostructure for …
2018年2月1日 · For this reason, this paper provides a review of current research activities on Bi2 Te 3 nanostructure growth by several methods and its characterization through theoretical and analytical aspects. Moreover, the paper handles a systematic and intensive research work to develop and understand the materials in nanostructure forms. 1. Introduction.
碲化鉍 - 维基百科,自由的百科全书
碲化鉍 是一種灰色的粉末, 分子式 為Bi 2 Te 3。 碲化铋是个 半导体 暨 熱電 材料,具有较好的 导电性,但 导热性 较差。 它是一種半導體,它與銻或硒合金是高效率的熱電材料,用於製冷或便攜式發電。 拓扑绝缘体 表面態已在碲化鉍被觀察到。 雖然碲化鉍的危險性低,但是如果长期大量的攝取也有一定的致癌风险。 ^ Satterthwaite, C. B.; Ure, R. Electrical and Thermal Properties of Bi2Te3. Phys. Rev. 1957, 108 (5): 1164. doi:10.1103/PhysRev.108.1164.
mp-34202: Bi2Te3 (trigonal, R-3m, 166) - Materials Project
Bi2Te3 is MAX Phase-derived structured and crystallizes in the trigonal R-3m space group. The structure is two-dimensional and consists of three Bi2Te3 sheets oriented in the (0, 0, 1) direction. Bi3+ is bonded to six Te2- atoms to form a mixture of corner and edge-sharing BiTe6 octahedra.
A comprehensive review on Bi2Te3‐based thin films: …
Bi2Te3-based materials are one type of the most popular thermoelectric materials and topological insulators, whereby their thin films are particularly suitable for important applications in the effic...
NSR | 量产高效N型Bi2Te3热电材料:晶格素化与能带工程双管齐 …
2025年1月18日 · 近年来,新型热电材料层出不穷,但碲化铋(Bi2Te3)及其合金仍为目前发展最成熟且唯一实现商用化的热电材料。 在这一材料系统中,P型 (Bi,Sb)2Te3 (BST)材料的发展已经非常成熟,室温ZT值可稳定达到1.0以上。 相较之下,对于N型Bi2(Te,Se)3 (BTS)材料的性能优化相对滞后。 目前市场上广泛使用的商用N型BTS材料多是通过区熔法生长的铸锭,这种工艺在后续加工热电器件时,存在热电粒子易沿晶面分离的问题,这不仅增加了生产成本,还对器件的整体 …