Transport properties of Bi₂S₃ single crystals

详细信息	查看全文 | 推荐本文 |

• 作者：H.T. Shaban ; M.M. Nassary ; M.S. El-Sadek
• 关键词：Bi₂S₃ ; Hall effect ; Thermoelectric power ; Electrical conductivity
• 刊名：Physica B
• 出版年：2008
• 期刊代码：53_09214526
• 类别：ph
• 出版时间：1 May 2008
• 卷：403
• 期：10-11
• 页码：1655-1659
• 文件大小：186 K

摘要

Bi₂S₃ single crystals were grown by a modified of Bridgman method. Measurements of the electrical conductivity, Hall effect and thermoelectric power (TEP) were preformed in two crystallographic directions (parallel and perpendicular to the c-axis). The measurements showed that the electrical conductivity, Hall mobility, and Seebeck coefficient have anisotropic nature. From these measurements many physical parameters were estimated and the crystals showed n-type of conduction mechanism. Also, values of the energy gap were found to be different in the two directions