Anisotropy of Hydrogen Diffusivity in ZnO

Result code in IS VaVaI

<a href="https://www.isvavai.cz/riv?ss=detail&h=RIV%2F00216208%3A11320%2F13%3A10190357" target="_blank" >RIV/00216208:11320/13:10190357 - isvavai.cz</a>

Result on the web

<a href="http://www.scientific.net/DDF.333.39" target="_blank" >http://www.scientific.net/DDF.333.39</a>

DOI - Digital Object Identifier

<a href="http://dx.doi.org/10.4028/www.scientific.net/DDF.333.39" target="_blank" >10.4028/www.scientific.net/DDF.333.39</a>

Result language

angličtina

Original language name

Anisotropy of Hydrogen Diffusivity in ZnO

Original language 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 andelectrochemically 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. Enhancedhydrogen 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.

Czech name

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Czech description

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Type

J_x - Unclassified - Peer-reviewed scientific article (Jimp, Jsc and Jost)

CEP classification

JJ - Other materials

OECD FORD branch

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Project

Result was created during the realization of more than one project. More information in the Projects tab.

Continuities

P - Projekt vyzkumu a vyvoje financovany z verejnych zdroju (s odkazem do CEP)<br>S - Specificky vyzkum na vysokych skolach<br>I - Institucionalni podpora na dlouhodoby koncepcni rozvoj vyzkumne organizace

Publication year

2013

Confidentiality

S - Úplné a pravdivé údaje o projektu nepodléhají ochraně podle zvláštních právních předpisů

Name of the periodical

Defect and Diffusion Forum

ISSN

1012-0386

e-ISSN

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Volume of the periodical

333

Issue of the periodical within the volume

25 Jan 2013

Country of publishing house

CH - SWITZERLAND

Number of pages

11

Pages from-to

39-49

UT code for WoS article

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EID of the result in the Scopus database

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