A Choice of Diamond Single Crystals for First SR-(Undulator-)Monochromators

Stephenson, J. D.

doi:10.1002/pssa.2211340207

Cited by 7 publications

(4 citation statements)

References 16 publications

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“…Although taken out of context when applied to a static, GaIrddiamond, planar-geometry interface, indirect experimental evidence indicates that this number may be close to the true value. 23 As has been pointed out by Hart,24 a value of hb of 0.04 W/mm2-K would lead to sizeable temperature gradients ( =lOO°C) under the maximum heat load of APS undulator A. We have thus begun an effort to measure this important quantity.…”

Section: The Liquid-gaiddiamond Interfacementioning

confidence: 92%

Diamond monochromators for APS undulator-A beamlines

Blasdell¹,

Assoufid²,

Mills³

1995

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Section: The Liquid-gaiddiamond Interfacementioning

confidence: 92%

Diamond monochromators for APS undulator-A beamlines

Blasdell¹,

Assoufid²,

Mills³

1995

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“…For instance, Si which has been used as an X-ray monochromator cannot be feasible in these facilities, because of the thermal problem [9,10].…”

Section: -3 Mechanical Propertiesmentioning

confidence: 99%

“…Actually some natural diamonds and synthetic diamonds have been tested, showing feasibility of diamond as the monochromators [9][10][11][12][13].…”

Section: -3 Mechanical Propertiesmentioning

confidence: 99%

High-Quality Synthetic Diamond Crystals.

Sumiya¹,

Satoh²,

Yazu

1998

THE REVIEW OF HIGH PRESSURE SCIENCE AND TECHNOLOGY

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High-quality synthetic type IIa diamond crystals of several carats, containing less than 0.1 ppm chemical impurities and few inclusions, have been successfully synthesized by the temperature gradient method under high pressure and high temperature. The crystals are transparent over a wide range of wavelengths from ultraviolet to far infrared regions, showing no absorptions due to impurities.They also have high crystalline quality with fewer crystal defects, less internal strain, and less variation in defects among crystals than those of natural diamonds or conventional synthetic type Ib diamond. The outstanding characteristics of the synthetic type IN diamond permit application to a considerably wide range of industrial and scientific uses such as optical parts, monochromators, high-pressure anvils, and so on.[synthetic diamond, high pressure, crystal growth, impurity, dislocation]

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“…Single crystal diamonds have been used on synchrotron beamlines as monochromators [1][2][3][4], beam splitters [5] and quarter-wave plates [6]. The excellent thermal properties of diamond relative to silicon make them very attractive for use under demanding heat loads from synchrotron radiation [7][8][9][10]. The crystalline quality of the diamonds is crucial for these x-ray optics applications.…”

Section: Introductionmentioning

confidence: 99%

Rocking curve FWHM maps of a chemically etched (0 0 1) oriented HPHT type Ib diamond crystal plate

Zhong¹,

Macrander²,

Kraśnicki³

et al. 2007

J. Phys. D: Appl. Phys.

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Synchrotron radiation and a CCD detector were employed to map the full width at half maximum (FWHM) of rocking curves for a synthetic (0 0 1) oriented type Ib diamond plate. The plate was sawed from a diamond grown in the high-pressure–high-temperature (HPHT) process. Maps for broadening relative to a reference point on the diamond for the (2 2 4) reflection at 12 keV are reported before and after chemical etching. Significant rocking curve narrowing over most of the diamond was found, and we conclude that the diffraction performance of (0 0 1) oriented type Ib diamonds can be significantly improved over a large area by chemical etching. Stripes in the map before etching corresponded to grooves formed in the process of sawing the plate out of the as-grown stone. The FWHM map did not correlate with the surface height profile measured after ∼10 µm were removed from the surface by etching.

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A Choice of Diamond Single Crystals for First SR-(Undulator-)Monochromators

Cited by 7 publications

References 16 publications

Diamond monochromators for APS undulator-A beamlines

Diamond monochromators for APS undulator-A beamlines

High-Quality Synthetic Diamond Crystals.

Rocking curve FWHM maps of a chemically etched (0 0 1) oriented HPHT type Ib diamond crystal plate

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