Characterization of Mercury Zinc Telluride

• Main Author: 曾志元
• Other Authors: 孫澄源
• Format: Others
• Language: zh-TW
• Published: 1992
• Online Access: http://ndltd.ncl.edu.tw/handle/17396415771612499418

碩士 === 國立臺灣科技大學 === 工程技術研究所 === 80 === 　　Recently, mercury zinc telluride has been perceived as a promising material capable of replacing mercury cadmium telluride for IR device applications in the spectral ranges from 3 to 10 um. 　　In the work, we studied the characterization of mercury zinc telluride including of resistivity and HALL effect measurement to understand the electrical transport properties,electrolyte electroreflectance to understand the interband energy transition, cyclic voltammograms to understand elecrochemical reactions, and atomic absorption spectroscopy to obtain the chemical composition. 　　It revealed that when zinc content was less then 0.113, the mercury zinc telluride samples were n-type conduction, behaving like a semimetal; exceeding 0.144, below certain critical temperatures, they were p-type conduction, and turned into n-type above the critical temperatures, due to two carrier conduction.