Temperature dependence of AlGaAs soft X-ray detectors

被引：40

作者：

Barnett, A. M. ^{[1
]}

Bassford, D. J. ^{[1
]}

Lees, J. E. ^{[1
]}

Ng, J. S. ^{[2
]}

Tan, C. H. ^{[2
]}

David, J. P. R. ^{[2
]}

机构：

[1] Univ Leicester, Dept Phys & Astron, Space Res Ctr, Leicester LE1 7RH, Leics, England

[2] Univ Sheffield, Dept Elect & Elect Engn, Sheffield S1 3JD, S Yorkshire, England

来源：

NUCLEAR INSTRUMENTS & METHODS IN PHYSICS RESEARCH SECTION A-ACCELERATORS SPECTROMETERS DETECTORS AND ASSOCIATED EQUIPMENT | 2010年 / 621卷 / 1-3期

关键词：

X-ray; Detector; AlGaAs; Diode; Temperature dependence; Spectroscopy; SPECTROSCOPY;

D O I：

10.1016/j.nima.2010.06.089

中图分类号：

TH7 [仪器、仪表];

学科分类号：

0804 ; 080401 ; 081102 ;

摘要：

We have fabricated and characterised unpassivated 200 mu m diameter circular mesa Al(0.8)Ga(0.2)As p(+)-i-n(+) diodes as soft X-ray photon counting detectors. The spectroscopic performance, as measured by the FWHM of the 5.9 keV X-ray line from an (55)Fe radioisotope, shows that these detectors can be used for X-ray photon counting spectroscopy with promising energy resolution (0.9-2.5 keV) over a -30 to +90 degrees C temperature range. (C) 2010 Elsevier B.V. All rights reserved.

引用

页码：453 / 455

页数：3

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