About: Anisotropy of Hydrogen Diffusivity in ZnO

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rdf:type	skos:Concept http://linked.opendata.cz/ontology/domain/vavai/Vysledek
rdfs:seeAlso	http://www.scientific.net/DDF.333.39
Description	Hydrogen absorption and diffusivity in high quality ZnO crystals were investigated in this work by X-ray diffraction combined with slow positron implantation spectroscopy and electrical resistometry. ZnO crystals were covered by a thin Pd over-layer and electrochemically charged with hydrogen. It was found that absorbed hydrogen causes plastic deformation in a subsurface region. The depth profile of hydrogen concentration introduced into the crystal was determined by nuclear reaction analysis. Enhanced hydrogen concentration was found in the subsurface region due to excess hydrogen atoms trapped at defects introduced by plastic deformation. Hydrogen diffusion in ZnO crystals with various orientations was studied by in-situ electrical resistometry. It was found that hydrogen diffusion in the c-direction is faster than hydrogen diffusion in the a-direction most probably due to open channels existing in the wurtzite structure along the c-axis. Hydrogen absorption and diffusivity in high quality ZnO crystals were investigated in this work by X-ray diffraction combined with slow positron implantation spectroscopy and electrical resistometry. ZnO crystals were covered by a thin Pd over-layer and electrochemically charged with hydrogen. It was found that absorbed hydrogen causes plastic deformation in a subsurface region. The depth profile of hydrogen concentration introduced into the crystal was determined by nuclear reaction analysis. Enhanced hydrogen concentration was found in the subsurface region due to excess hydrogen atoms trapped at defects introduced by plastic deformation. Hydrogen diffusion in ZnO crystals with various orientations was studied by in-situ electrical resistometry. It was found that hydrogen diffusion in the c-direction is faster than hydrogen diffusion in the a-direction most probably due to open channels existing in the wurtzite structure along the c-axis. (en)
Title	Anisotropy of Hydrogen Diffusivity in ZnO Anisotropy of Hydrogen Diffusivity in ZnO (en)
skos:prefLabel	Anisotropy of Hydrogen Diffusivity in ZnO Anisotropy of Hydrogen Diffusivity in ZnO (en)
skos:notation	RIV/00216208:11320/13:10190357!RIV14-GA0-11320___
http://linked.open...avai/predkladatel	Matematicko-fyzikální fakulta
http://linked.open...avai/riv/aktivita	I P S
http://linked.open...avai/riv/aktivity	I, P(GAP108/11/0958), P(LH12173), P(MEB101102), S
http://linked.open...iv/cisloPeriodika	25 Jan 2013
http://linked.open...vai/riv/dodaniDat	2014
http://linked.open...aciTvurceVysledku	Lukáč, František Vlach, Martin Vlček, Marián Procházka, Ivan 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	61283
http://linked.open...ai/riv/idVysledku	RIV/00216208:11320/13:10190357
http://linked.open...riv/jazykVysledku	eng - angličtina
http://linked.open.../riv/klicovaSlova	X-ray diffraction; electrical resistivity; nuclear reaction analysis; hydrogen; zinc oxide (en)
http://linked.open.../riv/klicoveSlovo	X-ray diffraction hydrogen zinc oxide nuclear reaction analysis electrical resistivity
http://linked.open...odStatuVydavatele	CH - Švýcarská konfederace
http://linked.open...ontrolniKodProRIV	[AC1F23678DCB]
http://linked.open...i/riv/nazevZdroje	Defect and Diffusion Forum
http://linked.open...in/vavai/riv/obor	JJ
http://linked.open...ichTvurcuVysledku	5 (xsd:int)
http://linked.open...cetTvurcuVysledku	14 (xsd:int)
http://linked.open...vavai/riv/projekt	Investigation of point defects in ZnO and their interaction with hydrogen and nitrogen Effect of hydrogen on multiplication of defects in palladium subjected to severe plastic deformation Microstructure investigation of thin metal films
http://linked.open...UplatneniVysledku	2013
http://linked.open...v/svazekPeriodika	333
http://linked.open...iv/tvurceVysledku	Anwand, Wolfgang Brauer, Gerhard Lukáč, František Procházka, Ivan Pundt, Astrid Uchida, Helmut Vlach, Martin Vlček, Marián Wagner, Stefan Čížek, Jakub Becker, Hans-Werner Rogalla, Detlef Traeger, Franziska Bähtz, Carsten
issn	1012-0386
number of pages	11 (xsd:int)
http://bibframe.org/vocab/doi	10.4028/www.scientific.net/DDF.333.39
http://localhost/t...ganizacniJednotka	11320

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