The approaching revolution in X-ray microanalysis: The microcalorimeter energy dispersive spectrometer

被引:9
|
作者
Newbury, DE
Wollman, DA
Hilton, GC
Irwin, KD
Bergren, NF
Rudman, DA
Martinis, JM
机构
[1] Natl Inst Stand & Technol, Boulder, CO 80303 USA
[2] Natl Inst Stand & Technol, Gaithersburg, MD 20899 USA
关键词
D O I
10.1023/A:1006777606703
中图分类号
O65 [分析化学];
学科分类号
070302 ; 081704 ;
摘要
A high-resolution energy-dispersive X-ray spectrometer (EDS) based on cryogenic microcalorimeter X-ray detectors has been developed for use in X-ray microanalysis. With an energy resolution of 3 eV at 1.5 keV, count rate of similar to 500 s(-1), and an effective collection area of similar to 5 mm(2) (using polycapillary X-ray optics), the microcalorimeter EDS combines many of the favorable qualities of commercially-available wavelength dispersive spectrometers (WDS) and semiconductor EDS. After describing the spectrometer system, we present several applications of microcalorimeter EDS to important microanalysis problems.
引用
收藏
页码:627 / 635
页数:9
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