Effects of Contact Materials on the Thermally Stimulated Current Spectra of Mercuric Iodide

Author:

Bao X. J.,Schlesinger T. E.,James R. B.,Cheng A. Y.,Ortale C.,Van Den Berg L.

Abstract

ABSTRACTMercuric iodide (HgI2) single crystals deposited with transparent indium-tin-oxide (ITO), and semitransparent gold and nickel contacts were investigated by thermally stimulated current spectroscopy (TSC). The differences in the TSC spectra from these samples indicate that the defect structure in HgI2 may be modified by the contact material. These defects act as carrier traps and have strong implications in the application of HgI2 nuclear detectors. A method of numerical analysis was developed to extract information such as carrier trap activation energy, capture cross-section, and trap concentration-lifetime product from the TSC measurements.

Publisher

Springer Science and Business Media LLC

Subject

General Engineering

Cited by 3 articles. 订阅此论文施引文献 订阅此论文施引文献,注册后可以免费订阅5篇论文的施引文献,订阅后可以查看论文全部施引文献

1. MERCURY COMPOUNDS;Compound Semiconductor Bulk Materials and Characterizations;2012-12

2. Study of trapping levels in doped HgI2 radiation detectors;Nuclear Instruments and Methods in Physics Research Section A: Accelerators, Spectrometers, Detectors and Associated Equipment;1996-10

3. Chapter 4 Electrical Properties of Mercuric Iodide;Semiconductors for Room Temperature Nuclear Detector Applications;1995

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