Cryogenic high-resolution X-ray spectrometers for SR-XRF and microanalysis

Matthias Frank; C. A. Mears; S. E. Labov; L. J. Hiller; J. B. Le Grand; M. A. Lindeman; H. Netel; D. Chow; A. T. Barfknecht

doi:10.1107/S0909049597014465

Cryogenic high-resolution X-ray spectrometers for SR-XRF and microanalysis

Matthias Frank, C. A. Mears, S. E. Labov, L. J. Hiller, J. B. Le Grand, M. A. Lindeman, H. Netel, D. Chow, A. T. Barfknecht

Research output: Contribution to journal › Article

9 Scopus citations

Abstract

Experimental results are presented obtained with a cryogenically cooled high-resolution X-ray spectrometer based on a 141 × 141 μm Nb-Al-Al₂O3-Al-Nb superconducting tunnel junction (STJ) detector in an SR-XRF demonstration experiment. STJ detectors can operate at count rates approaching those of semiconductor detectors while still providing a significantly better energy resolution for soft X-rays. By measuring fluorescence X-rays from samples containing transition metals and low-Z elements, an FWHM energy resolution of 6-15 eV for X-rays in the energy range 180-1100 eV has been obtained. The results show that, in the near future, STJ detectors may prove very useful in XRF and microanalysis applications.

Original language	English (US)
Pages (from-to)	515-517
Number of pages	3
Journal	Journal of Synchrotron Radiation
Volume	5
Issue number	3
DOIs	https://doi.org/10.1107/S0909049597014465
State	Published - May 1 1998
Externally published	Yes

Keywords

Cryogenic detectors
Low-temperature detectors
Microcalorimeters
X-ray fluorescence
X-ray spectroscopy

ASJC Scopus subject areas

Radiation
Nuclear and High Energy Physics
Instrumentation

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Frank, M., Mears, C. A., Labov, S. E., Hiller, L. J., Le Grand, J. B., Lindeman, M. A., Netel, H., Chow, D., & Barfknecht, A. T. (1998). Cryogenic high-resolution X-ray spectrometers for SR-XRF and microanalysis. Journal of Synchrotron Radiation, 5(3), 515-517. https://doi.org/10.1107/S0909049597014465

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title = "Cryogenic high-resolution X-ray spectrometers for SR-XRF and microanalysis",

abstract = "Experimental results are presented obtained with a cryogenically cooled high-resolution X-ray spectrometer based on a 141 × 141 μm Nb-Al-Al2O3-Al-Nb superconducting tunnel junction (STJ) detector in an SR-XRF demonstration experiment. STJ detectors can operate at count rates approaching those of semiconductor detectors while still providing a significantly better energy resolution for soft X-rays. By measuring fluorescence X-rays from samples containing transition metals and low-Z elements, an FWHM energy resolution of 6-15 eV for X-rays in the energy range 180-1100 eV has been obtained. The results show that, in the near future, STJ detectors may prove very useful in XRF and microanalysis applications.",

keywords = "Cryogenic detectors, Low-temperature detectors, Microcalorimeters, X-ray fluorescence, X-ray spectroscopy",

author = "Matthias Frank and Mears, {C. A.} and Labov, {S. E.} and Hiller, {L. J.} and {Le Grand}, {J. B.} and Lindeman, {M. A.} and H. Netel and D. Chow and Barfknecht, {A. T.}",

year = "1998",

month = may,

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doi = "10.1107/S0909049597014465",

language = "English (US)",

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T1 - Cryogenic high-resolution X-ray spectrometers for SR-XRF and microanalysis

AU - Frank, Matthias

AU - Mears, C. A.

AU - Labov, S. E.

AU - Hiller, L. J.

AU - Le Grand, J. B.

AU - Lindeman, M. A.

AU - Netel, H.

AU - Chow, D.

AU - Barfknecht, A. T.

PY - 1998/5/1

Y1 - 1998/5/1

N2 - Experimental results are presented obtained with a cryogenically cooled high-resolution X-ray spectrometer based on a 141 × 141 μm Nb-Al-Al2O3-Al-Nb superconducting tunnel junction (STJ) detector in an SR-XRF demonstration experiment. STJ detectors can operate at count rates approaching those of semiconductor detectors while still providing a significantly better energy resolution for soft X-rays. By measuring fluorescence X-rays from samples containing transition metals and low-Z elements, an FWHM energy resolution of 6-15 eV for X-rays in the energy range 180-1100 eV has been obtained. The results show that, in the near future, STJ detectors may prove very useful in XRF and microanalysis applications.

AB - Experimental results are presented obtained with a cryogenically cooled high-resolution X-ray spectrometer based on a 141 × 141 μm Nb-Al-Al2O3-Al-Nb superconducting tunnel junction (STJ) detector in an SR-XRF demonstration experiment. STJ detectors can operate at count rates approaching those of semiconductor detectors while still providing a significantly better energy resolution for soft X-rays. By measuring fluorescence X-rays from samples containing transition metals and low-Z elements, an FWHM energy resolution of 6-15 eV for X-rays in the energy range 180-1100 eV has been obtained. The results show that, in the near future, STJ detectors may prove very useful in XRF and microanalysis applications.

KW - Cryogenic detectors

KW - Low-temperature detectors

KW - Microcalorimeters

KW - X-ray fluorescence

KW - X-ray spectroscopy

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