About: Bent perfect crystal monochromator at the monochromatic focusing condition

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rdf:type	skos:Concept http://linked.opendata.cz/ontology/domain/vavai/Vysledek
Description	In conventional diffractometry with a mosaic monochromator due to a nonnegligible lambda-theta correlation of the monochromatic beam impinging the sample, the resolution considerably differs in the parallel (+,-) and anti-parallel (+,+) setting. However, a bent perfect crystal (BPC) monochromator at monochromatic focusing condition can provide equal resolution properties at both parallel and anti-parallel setting and gives a chance to use both sides of the scattering plane. Three diffraction geometries with the BPC monochromators were tested and the received data of FWHM of the line profiles and the corresponding Delta d/d prove the possibility of simultaneous measurements in both settings. In conventional diffractometry with a mosaic monochromator due to a nonnegligible lambda-theta correlation of the monochromatic beam impinging the sample, the resolution considerably differs in the parallel (+,-) and anti-parallel (+,+) setting. However, a bent perfect crystal (BPC) monochromator at monochromatic focusing condition can provide equal resolution properties at both parallel and anti-parallel setting and gives a chance to use both sides of the scattering plane. Three diffraction geometries with the BPC monochromators were tested and the received data of FWHM of the line profiles and the corresponding Delta d/d prove the possibility of simultaneous measurements in both settings. (en) Fokusující monochromátor na bázi cylindricky ohnutého monokrystalu křemíku byl testován v práškové difraktometrii za podmínky tzv. monochromatické fokusace. Experimentálně bylo ověřeno, že monochromátor tohoto typu může poskytnout stejné rozlišení a světelnost práškového difraktometru při rozptylu na vzorku v tzv. paralelní a antiparalelní geometrii. Tímto způsobem je možné zdvojnásobit oblast rozptylových úhlů pro měření difrakčních diagramů. (cs)
Title	Bent perfect crystal monochromator at the monochromatic focusing condition Monochromátor na bázi ohnutého dokonalého monokrystalu v difrakční geometrii pro monochromatickou fokusaci (cs) Bent perfect crystal monochromator at the monochromatic focusing condition (en)
skos:prefLabel	Bent perfect crystal monochromator at the monochromatic focusing condition Monochromátor na bázi ohnutého dokonalého monokrystalu v difrakční geometrii pro monochromatickou fokusaci (cs) Bent perfect crystal monochromator at the monochromatic focusing condition (en)
skos:notation	RIV/61389005:_____/06:00047570!RIV07-AV0-61389005
http://linked.open.../vavai/riv/strany	199;204
http://linked.open...avai/riv/aktivita	P Z
http://linked.open...avai/riv/aktivity	P(GA202/06/0601), P(IAA1048003), P(OC P7.003), Z(AV0Z10480505), Z(MSM2672244501)
http://linked.open...iv/cisloPeriodika	23
http://linked.open...vai/riv/dodaniDat	2007
http://linked.open...aciTvurceVysledku	Vrána, Miroslav Mikula, Pavel
http://linked.open.../riv/druhVysledku	J - Článek v odborném periodiku
http://linked.open...iv/duvernostUdaju	S - Úplné a pravdivé údaje nepodléhající ochraně podle zvláštních právních předpisů
http://linked.open...titaPredkladatele	Ústav jaderné fyziky AV ČR, v. v. i.
http://linked.open...dnocenehoVysledku	466724
http://linked.open...ai/riv/idVysledku	RIV/61389005:_____/06:00047570
http://linked.open...riv/jazykVysledku	eng - angličtina
http://linked.open.../riv/klicovaSlova	powder diffraction; monochromatic focusing; bent crystal monochromator (en)
http://linked.open.../riv/klicoveSlovo	powder diffraction monochromatic focusing bent crystal monochromator
http://linked.open...odStatuVydavatele	DE - Spolková republika Německo
http://linked.open...ontrolniKodProRIV	[0B9CFF153EEF]
http://linked.open...i/riv/nazevZdroje	Zeitschrift für Kristallographie
http://linked.open...in/vavai/riv/obor	BM
http://linked.open...ichTvurcuVysledku	2 (xsd:int)
http://linked.open...cetTvurcuVysledku	7 (xsd:int)
http://linked.open...vavai/riv/projekt	http://linked.opendata.cz/resource/domain/vavai/projekt/OC%20P7.003 Focusing monochromators and analyzers for thermal neutron diffractometry and spectrometry Bragg diffraction optics with cylindrically bent perfect crystals and its application in neutron diffractometry and spectrometry
http://linked.open...UplatneniVysledku	2006
http://linked.open...v/svazekPeriodika	1
http://linked.open...iv/tvurceVysledku	Mikula, Pavol Vrána, Miroslav Lee, Ch. Kim, S. B. Choi, Y. N. Kim, S. A. Kim, S. K.
http://linked.open...n/vavai/riv/zamer	Jaderná fyzika a příbuzné obory v základním, aplikovaném a interdisciplinárním výzkumu Basic Research and Oriented Research in Industry and Medicine using Neutron Sources
issn	0044-2968
number of pages	6 (xsd:int)
is http://linked.open...avai/riv/vysledek of	Bent perfect crystal monochromator at the monochromatic focusing condition Bent perfect crystal monochromator at the monochromatic focusing condition

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