Interpretation of some experimental data concerning bent monochromators for synchrotron X-ray radiation

Bœuf, A.; Melone, S.; Puliti, Paolo; Rustichelli, F.

doi:10.1107/s0021889878013291

Cited by 12 publications

(1 citation statement)

References 4 publications

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“…The same objection is valid for the proposed spherical crystal spectrometer of Das Gupta & Gott (1970) and for all kinds of focusing devices. It appears, therefore, that the various focusing two-crystal modes with extended sources, discussed in the preceding subsections, are potentially more interesting in Xray optics and in X-ray monochromatization (Boeuf, Melone, Puliti & Rustichelli, 1978) than in X-ray spectroscopy. The favorable peak/background ratios can be advantageous, as noticed by Das Gupta (1971), who studied Raman scattering by means of an arrangement which essentially corresponds to T~-)(nl)T~-)(n2) in our nomenclature.…”

Section: Discussionmentioning

confidence: 99%

New methods of X-ray diffraction spectrometry. II. Principle and performance of a novel type of curved-crystal spectrometer

Sørum¹,

Bremer²

1980

J Appl Cryst

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The construction principles for a flexible X-ray spectrometer which can be equipped either with a single curved crystal or with two curved crystals are described. A few of the theoretical 4 + 32 possible working modes are selected for a closer investigation and examples of recorded spectra are given. It is shown in the general single-crystal case that for a wavelength close to a cutoff energy the narrow diffraction cone has an elliptic section, as predicted by the theory. The spectrometer is discussed in terms of intensity, resolution and dispersive power. A comparison with other types of spectrometer is made.

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Section: Discussionmentioning

confidence: 99%

New methods of X-ray diffraction spectrometry. II. Principle and performance of a novel type of curved-crystal spectrometer

Sørum¹,

Bremer²

1980

J Appl Cryst

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A curved‐crystal spectrometer for soft X‐ray emission studies of metals and metallic alloys

Zschech

Wehner

Kleinstück

et al. 1984

Cryst. Res. Technol.

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Quantitative cornpal isons between o1,tained X-ray emission spectra of 3tl-transition metal elements and their ulloys as well as band structure calcnlutions derirand an energetic resolution of the order of E w 1 eV. A highly resolving focussing X-ray spectrometer is described which allows very high quality X-ray emission spectra to be obtained. The spectronreter utilizes a spherically bent Si( 1 1 1)-crystal operated on the Rowland circle. The selection, fabrication and testing of the crystal are described. A comparison between own measurements of line-width of Co-Kal, 2-and Cn-Kal, 2-emission lines as well as literature vahies is given. The required energetic resolution can be obtained in the uiiper range of the Bragg angle 6 with the described X-ray spectrometer and a spherically bent crystal.Quantitative Vergleiche zwischen erhaltenen Rontgeneinissiollsspektren von 3d-Ubergangsnietallen und ihren Legierungen sowie Bantlstruktiirberechnungen erfordern eine energetische Anflijsung in der GroQenortlnung von E w 1 eV. Ein hochaufliisendes, fokussierendes Rontgenspektrometer, das es errnoglicht, qualitativ hochwertige Rontgenernissionsspektren zii erhalten, wird beschrieben. Das Spektrometer verwendet einen sphiirisch gekrii~ninten Si( I 1 1)-Kristall, der sich auf deni Rowlandkreis bewegt. Die Auswahl, Herstellung und Priifung des Kristalls werden beschrieben. Ein Vergleich zwischen eigenen Messungen der Linienbreiten der Co-Kal, 2-und Cu-Kal, 2-Einissionslinien sowie Literaturwerten wild gegeben. Die geforderte eriergrtische Auflosnng kann iin olieren Bereich des Braggwinkels d niit tleiii beschriebenen Rontgcnspektrometer und eineni sphiirisch gekriimmt.cn Kristall erreicht werden.

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Focusing crystal mirrors for X-ray diagnostics of laser-produced plasma

Goetz

Dick

Kalashnikov³

et al. 1990

J Russ Laser Res

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Interpretation of some experimental data concerning bent monochromators for synchrotron X-ray radiation

Cited by 12 publications

References 4 publications

New methods of X-ray diffraction spectrometry. II. Principle and performance of a novel type of curved-crystal spectrometer

New methods of X-ray diffraction spectrometry. II. Principle and performance of a novel type of curved-crystal spectrometer

A curved‐crystal spectrometer for soft X‐ray emission studies of metals and metallic alloys

Focusing crystal mirrors for X-ray diagnostics of laser-produced plasma

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