About: Characterization of H-plasma treated ZnO crystals by positron annihilation and atomic force microscopy

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About: Characterization of H-plasma treated ZnO crystals by positron annihilation and atomic force microscopy Goto Sponge NotDistinct Permalink

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rdf:type	skos:Concept http://linked.opendata.cz/ontology/domain/vavai/Vysledek
rdfs:seeAlso	http://www.scientific.net/DDF.331.113
Description	Nominally undoped, hydrothermally grown ZnO single crystals have been investigated before and after exposure to remote H-plasma. Defect characterization has been made by two complementary techniques of positron annihilation: positron lifetime spectroscopy and coincidence Doppler broadening. The high-momentum parts of the annihilation photon momentum distribution have been calculated from first principles in order to assist in defect identification. The positron annihilation results are supplemented by Atomic Force Microscopy for characterization of the crystal surface. It was found that virgin ZnO crystal contains Zn-vacancies associated with hydrogen. H-plasma treatment causes a significant reduction in concentration of these complexes. Physical mechanism of this effect is discussed in the paper. Nominally undoped, hydrothermally grown ZnO single crystals have been investigated before and after exposure to remote H-plasma. Defect characterization has been made by two complementary techniques of positron annihilation: positron lifetime spectroscopy and coincidence Doppler broadening. The high-momentum parts of the annihilation photon momentum distribution have been calculated from first principles in order to assist in defect identification. The positron annihilation results are supplemented by Atomic Force Microscopy for characterization of the crystal surface. It was found that virgin ZnO crystal contains Zn-vacancies associated with hydrogen. H-plasma treatment causes a significant reduction in concentration of these complexes. Physical mechanism of this effect is discussed in the paper. (en)
Title	Characterization of H-plasma treated ZnO crystals by positron annihilation and atomic force microscopy Characterization of H-plasma treated ZnO crystals by positron annihilation and atomic force microscopy (en)
skos:prefLabel	Characterization of H-plasma treated ZnO crystals by positron annihilation and atomic force microscopy Characterization of H-plasma treated ZnO crystals by positron annihilation and atomic force microscopy (en)
skos:notation	RIV/00216208:11320/12:10129206!RIV13-GA0-11320___
http://linked.open...avai/predkladatel	Matematicko-fyzikální fakulta
http://linked.open...avai/riv/aktivita	P Z
http://linked.open...avai/riv/aktivity	P(GAP108/11/0958), Z(MSM0021620834)
http://linked.open...iv/cisloPeriodika	19.09.2012
http://linked.open...vai/riv/dodaniDat	2013
http://linked.open...aciTvurceVysledku	Procházka, Ivan Kuriplach, Jan Čížek, Jakub
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	Univerzita Karlova v Praze / Matematicko-fyzikální fakulta
http://linked.open...dnocenehoVysledku	126816
http://linked.open...ai/riv/idVysledku	RIV/00216208:11320/12:10129206
http://linked.open...riv/jazykVysledku	eng - angličtina
http://linked.open.../riv/klicovaSlova	atomic force microscopy; Zinc oxide: hydrogen: positron annihilation (en)
http://linked.open.../riv/klicoveSlovo	atomic force microscopy Zinc oxide: hydrogen: positron annihilation
http://linked.open...odStatuVydavatele	CH - Švýcarská konfederace
http://linked.open...ontrolniKodProRIV	[23B10D9480FB]
http://linked.open...i/riv/nazevZdroje	Defect and Diffusion Forum
http://linked.open...in/vavai/riv/obor	BM
http://linked.open...ichTvurcuVysledku	3 (xsd:int)
http://linked.open...cetTvurcuVysledku	9 (xsd:int)
http://linked.open...vavai/riv/projekt	Investigation of point defects in ZnO and their interaction with hydrogen and nitrogen
http://linked.open...UplatneniVysledku	2012
http://linked.open...v/svazekPeriodika	331
http://linked.open...iv/tvurceVysledku	Anwand, W. Brauer, G. Cowan, T. E. Kuriplach, Jan Procházka, Ivan Čížek, Jakub Grambole, D. Schmidt, H. Skorupa, W.
http://linked.open...n/vavai/riv/zamer	Condensed Matter Physics – New Materials and Technologies
issn	1012-0386
number of pages	13 (xsd:int)
http://bibframe.org/vocab/doi	10.4028/www.scientific.net/DDF.331.113
http://localhost/t...ganizacniJednotka	11320
is http://linked.open...avai/riv/vysledek of	Characterization of H-plasma treated ZnO crystals by positron annihilation and atomic force microscopy

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