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Statements

Subject Item
n2:RIV%2F61389005%3A_____%2F06%3A00047570%21RIV07-AV0-61389005
rdf:type
skos:Concept n17:Vysledek
dcterms:description
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. 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.
dcterms:title
Bent perfect crystal monochromator at the monochromatic focusing condition Bent perfect crystal monochromator at the monochromatic focusing condition Monochromátor na bázi ohnutého dokonalého monokrystalu v difrakční geometrii pro monochromatickou fokusaci
skos:prefLabel
Bent perfect crystal monochromator at the monochromatic focusing condition Monochromátor na bázi ohnutého dokonalého monokrystalu v difrakční geometrii pro monochromatickou fokusaci Bent perfect crystal monochromator at the monochromatic focusing condition
skos:notation
RIV/61389005:_____/06:00047570!RIV07-AV0-61389005
n3:strany
199;204
n3:aktivita
n15:P n15:Z
n3:aktivity
P(GA202/06/0601), P(IAA1048003), P(OC P7.003), Z(AV0Z10480505), Z(MSM2672244501)
n3:cisloPeriodika
23
n3:dodaniDat
n6:2007
n3:domaciTvurceVysledku
n9:7126441 n9:7740077
n3:druhVysledku
n14:J
n3:duvernostUdaju
n18:S
n3:entitaPredkladatele
n16:predkladatel
n3:idSjednocenehoVysledku
466724
n3:idVysledku
RIV/61389005:_____/06:00047570
n3:jazykVysledku
n12:eng
n3:klicovaSlova
powder diffraction; monochromatic focusing; bent crystal monochromator
n3:klicoveSlovo
n8:monochromatic%20focusing n8:bent%20crystal%20monochromator n8:powder%20diffraction
n3:kodStatuVydavatele
DE - Spolková republika Německo
n3:kontrolniKodProRIV
[0B9CFF153EEF]
n3:nazevZdroje
Zeitschrift für Kristallographie
n3:obor
n13:BM
n3:pocetDomacichTvurcuVysledku
2
n3:pocetTvurcuVysledku
7
n3:projekt
n10:OC%20P7.003 n10:IAA1048003 n10:GA202%2F06%2F0601
n3:rokUplatneniVysledku
n6:2006
n3:svazekPeriodika
1
n3:tvurceVysledku
Kim, S. K. Mikula, Pavol Vrána, Miroslav Choi, Y. N. Kim, S. B. Lee, Ch. Kim, S. A.
n3:zamer
n4:AV0Z10480505 n4:MSM2672244501
s:issn
0044-2968
s:numberOfPages
6