About: Spontaneous lateral modulation in short-period superlattices investigated by grazing-incidence X-ray diffraction

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About: Spontaneous lateral modulation in short-period superlattices investigated by grazing-incidence X-ray diffraction Goto Sponge NotDistinct Permalink

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rdf:type	skos:Concept http://linked.opendata.cz/ontology/domain/vavai/Vysledek
Description	The process of spontaneous lateral composition modulation in short-period InAs-AlAs superlattices has been investigated by grazing-incidence x-ray diffraction. We have developed a theoretical description of x-ray scattering from laterally modulated structures that makes it possible to determine the lateral composition modulation directly without assuming any structure model. From experimental intensity distributions in reciprocal space we have determined the amplitudes of the modulation and its degree of periodicity and their dependence on the number of superlattice periods. From the data it follows that the modulation process cannot be explained by bunching of monolayer steps and most likely, it is caused by stress-driven morphological instabilities of the growing surface. The process of spontaneous lateral composition modulation in short-period InAs-AlAs superlattices has been investigated by grazing-incidence x-ray diffraction. We have developed a theoretical description of x-ray scattering from laterally modulated structures that makes it possible to determine the lateral composition modulation directly without assuming any structure model. From experimental intensity distributions in reciprocal space we have determined the amplitudes of the modulation and its degree of periodicity and their dependence on the number of superlattice periods. From the data it follows that the modulation process cannot be explained by bunching of monolayer steps and most likely, it is caused by stress-driven morphological instabilities of the growing surface. (en)
Title	Spontaneous lateral modulation in short-period superlattices investigated by grazing-incidence X-ray diffraction Spontaneous lateral modulation in short-period superlattices investigated by grazing-incidence X-ray diffraction (en)
skos:prefLabel	Spontaneous lateral modulation in short-period superlattices investigated by grazing-incidence X-ray diffraction Spontaneous lateral modulation in short-period superlattices investigated by grazing-incidence X-ray diffraction (en)
skos:notation	RIV/00216224:14310/05:00013218!RIV10-MSM-14310___
http://linked.open...avai/riv/aktivita	P Z
http://linked.open...avai/riv/aktivity	P(GA202/03/0148), Z(MSM0021620834), Z(MSM0021622410)
http://linked.open...iv/cisloPeriodika	3
http://linked.open...vai/riv/dodaniDat	2010
http://linked.open...aciTvurceVysledku	Caha, Ondřej Holý, Václav Mikulík, Petr Novák, Jiří
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	Masarykova univerzita / Přírodovědecká fakulta
http://linked.open...dnocenehoVysledku	544049
http://linked.open...ai/riv/idVysledku	RIV/00216224:14310/05:00013218
http://linked.open...riv/jazykVysledku	eng - angličtina
http://linked.open.../riv/klicovaSlova	lateral modulation; superlattices; x-ray diffraction (en)
http://linked.open.../riv/klicoveSlovo	x-ray diffraction lateral modulation superlattices
http://linked.open...odStatuVydavatele	US - Spojené státy americké
http://linked.open...ontrolniKodProRIV	[C8B028AFB8DC]
http://linked.open...i/riv/nazevZdroje	Physical Review B
http://linked.open...in/vavai/riv/obor	BM
http://linked.open...ichTvurcuVysledku	4 (xsd:int)
http://linked.open...cetTvurcuVysledku	6 (xsd:int)
http://linked.open...vavai/riv/projekt	Anomalous x-ray scattering from semiconductor nanostructures
http://linked.open...UplatneniVysledku	2005
http://linked.open...v/svazekPeriodika	72
http://linked.open...iv/tvurceVysledku	Novák, Jiří Caha, Ondřej Holý, Václav Mikulík, Petr Moss, Simon C. Norman, Andrew
http://linked.open...ain/vavai/riv/wos	000230890200112
http://linked.open...n/vavai/riv/zamer	Condensed Matter Physics – New Materials and Technologies Physical and chemical properties of advanced materials and structures
issn	1098-0121
number of pages	10 (xsd:int)
http://localhost/t...ganizacniJednotka	14310
is http://linked.open...avai/riv/vysledek of	Spontaneous lateral modulation in short-period superlattices investigated by grazing-incidence X-ray diffraction

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