Two-dimensional photocurrent mapping of mercuric iodide detector crystals

被引：1

作者：

Brunett, BA ^{[1
]}

David, DC ^{[1
]}

Gilbert, TS ^{[1
]}

Schlesinger, TE ^{[1
]}

VanScyoc, JM ^{[1
]}

James, RB ^{[1
]}

机构：

[1] SANDIA NATL LABS,ADV MAT RES DEPT,LIVERMORE,CA 94551

来源：

NUCLEAR INSTRUMENTS & METHODS IN PHYSICS RESEARCH SECTION A-ACCELERATORS SPECTROMETERS DETECTORS AND ASSOCIATED EQUIPMENT | 1996年 / 380卷 / 1-2期

关键词：

D O I：

10.1016/S0168-9002(96)00334-8

中图分类号：

TH7 [仪器、仪表];

学科分类号：

0804 ; 080401 ; 081102 ;

摘要：

We have employed two-dimensional photocurrent mapping to determine the material uniformity of a 1 cm(3) cube of mercuric iodide configured as a detector. The sample was mapped over the cross-sectional face of the crystal between the two Pd contacts used to bias the sample. We have examined the dependence of the photocurrent response on detector bias, and also observed non-uniformities within the detector area. A model predicting the photocurrent as a function of position between the contacts has been related to the experimental results and is also presented.

引用

页码：70 / 75

页数：6

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