DOI: 10.1063/1.1138336. Quantitative data processing of parallel recorded electron energy-loss spectra with low signal to background [Penn]

Quantitative data processing of parallel recorded electron energy-loss spectra with low signal to background

10.1063/1.1138336

Crossref journal-article

AIP Publishing

Review of Scientific Instruments (317)

Abstract

The performance of a multielement array detector for measuring small spectral features superimposed on a large background has been examined. In order to have the sensitivity of detection limited only by counting statistics, two factors have to be critically considered: the nonuniform spatial response of the array detector, and the possible addition of noise by the collection system. For the special case discussed here, energy-loss spectroscopy of 100-keV electrons, the added noise was small. The detective quantum efficiency (DQE) was measured to be DQE=0.87. Several techniques reducing the effect of the nonuniform response were tested: normalizing the spectra with an experimentally measured response curve, electronic differentiation to reduce the background, dynamic gain correction, and two methods of experimentally averaging the spatial response by measuring a sequence of repositioned spectra. Preservation of the statistical information present in a representative energy-loss spectrum is shown to be feasible.

Bibliography

Shuman, H., & Kruit, P. (1985). Quantitative data processing of parallel recorded electron energy-loss spectra with low signal to background. Review of Scientific Instruments, 56(2), 231â239.

Authors 2

Henry Shuman (first)
Pieter Kruit (additional)

References 22 Referenced 112

10.1088/0022-3735/13/7/004 / J. Phys. E (1980)
10.1016/0304-3991(81)90056-5 / Ultramicroscopy (1981)
{'key': '2024021021111011900_r3'}
{'key': '2024021021111011900_r4'}
10.1002/jemt.1060010105 / J. Electron Microsc. Tech. (1984)
10.1063/1.1135730 / Rev. Sci. Instrum. (1979)
10.1063/1.1135909 / Rev. Sci. Instrum. (1979)
10.1364/AO.19.001401 / Appl. Opt. (1980)
10.1016/0304-3991(82)90290-X / Ultramicroscopy (1982)
10.1016/S0304-3991(75)80006-4 / Ultramicroscopy (1975)
{'key': '2024021021111011900_r11'}
10.1016/0304-3991(80)90010-8 / Ultramicroscopy (1980)
{'key': '2024021021111011900_r13'}
{'key': '2024021021111011900_r14'}
{'key': '2024021021111011900_r15'}
10.1073/pnas.79.1.106 / Proc. Natl. Acad. Sci. USA (1982)
{'key': '2024021021111011900_r17', 'volume': '2', 'year': '1985', 'journal-title': 'J. Electron Microsc. Tech.'} / J. Electron Microsc. Tech. (1985)
10.1364/AO.14.000691 / Appl. Opt. (1975)
10.1002/jemt.1060010206 / J. Electron Microsc. Tech. (1984)
10.1364/AO.17.000574 / Appl. Opt. (1978)
{'key': '2024021021111011900_r21'}
10.1080/14786437508229296 / Philos. Mag. (1975)

Dates

Type	When
Created	23 years, 1 month ago (July 26, 2002, 9:22 a.m.)
Deposited	1 year, 6 months ago (Feb. 10, 2024, 4:11 p.m.)
Indexed	1 month, 1 week ago (July 25, 2025, 6:21 a.m.)
Issued	40 years, 7 months ago (Feb. 1, 1985)
Published	40 years, 7 months ago (Feb. 1, 1985)
Published Print	40 years, 7 months ago (Feb. 1, 1985)

Funders 0

None

BibTeX

@article{Shuman_1985, title={Quantitative data processing of parallel recorded electron energy-loss spectra with low signal to background}, volume={56}, ISSN={1089-7623}, url={http://dx.doi.org/10.1063/1.1138336}, DOI={10.1063/1.1138336}, number={2}, journal={Review of Scientific Instruments}, publisher={AIP Publishing}, author={Shuman, Henry and Kruit, Pieter}, year={1985}, month=feb, pages={231–239} }

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