大学物理 ›› 2008, Vol. 27 ›› Issue (11): 37-37.

• 著者文摘 • 上一篇    下一篇

锗单晶体变温霍尔效应实验数据的处理

曲晓英[1] 李玉金[2]   

  1. [1]贵州民族学院物理与电子信息科学学院,贵州贵阳550025 [2]贵州大学理学院贵州省光电子技术与应用重点实验室,贵州贵阳550025
  • 出版日期:2008-11-25 发布日期:2008-11-20

Data analysis on the Ge single crystal Hall effects at different temperatures

  • Online:2008-11-25 Published:2008-11-20

摘要: 采用微机控制和数字式数据采集系统,在变温环境下(77~420K)对长为6.0mm、宽为4.0mm、厚为0.6mm的锗样品薄片进行霍尔效直相关数据测量;通过对测量的霍尔电压作数据处理得到锗的霍尔系数RH(T)、电导率σ(T)和霍尔迁移率μH(T)与温度的依赖关系.该实验结果对学生理解半导体物理中的相关知识有重要意义.

关键词: 变温霍尔效应, 霍尔系数, 数据处理

Abstract: With digital computer control and data acquisition system, this paper carried out the Ge single crystal (6.0 mm long, 4.0 mm wide, 0, 6 mm thick) Hall effect from 77 K to 420 K, attained Hall coefficient RH (T), Hall conductivity σ(T), and Hall mobility μH(T) of the temperature dependence through analysis of the Hall voltage. This experiment results make a full impact for students on comprehending the knowledge of semiconductor physics.

Key words: Hall effect at different temperatrues, Hall coefficient, data analysis

中图分类号: 

  • O514.2