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  • In the present work positron annihilation spectroscopy was employed for investigation of hydrogen-induced defects in Pd. Well annealed Pd samples were electrochemically charged with hydrogen and development of defects with increasing hydrogen concentration x(H) was investigated. At low concentrations (alpha-phase, x(H) < 0.017 H/Pd) hydrogen loading introduced vacancies, since absorbed hydrogen segregating at vacancies lowers remarkably the vacancy formation energy. When hydrogen concentration exceeds 0.017 H/Pd, particles of palladium hydride (PdH) are formed. Stress induced by growing PdH particles leads to plastic deformation which generates dislocations and vacancies in the sample.
  • In the present work positron annihilation spectroscopy was employed for investigation of hydrogen-induced defects in Pd. Well annealed Pd samples were electrochemically charged with hydrogen and development of defects with increasing hydrogen concentration x(H) was investigated. At low concentrations (alpha-phase, x(H) < 0.017 H/Pd) hydrogen loading introduced vacancies, since absorbed hydrogen segregating at vacancies lowers remarkably the vacancy formation energy. When hydrogen concentration exceeds 0.017 H/Pd, particles of palladium hydride (PdH) are formed. Stress induced by growing PdH particles leads to plastic deformation which generates dislocations and vacancies in the sample. (en)
Title
  • Hydrogen-Induced Defects in Palladium
  • Hydrogen-Induced Defects in Palladium (en)
skos:prefLabel
  • Hydrogen-Induced Defects in Palladium
  • Hydrogen-Induced Defects in Palladium (en)
skos:notation
  • RIV/00216208:11320/14:10288496!RIV15-MSM-11320___
http://linked.open...avai/riv/aktivita
http://linked.open...avai/riv/aktivity
  • I, P(GA13-09436S), P(LH12173)
http://linked.open...iv/cisloPeriodika
  • 3
http://linked.open...vai/riv/dodaniDat
http://linked.open...aciTvurceVysledku
http://linked.open.../riv/druhVysledku
http://linked.open...iv/duvernostUdaju
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http://linked.open...dnocenehoVysledku
  • 20102
http://linked.open...ai/riv/idVysledku
  • RIV/00216208:11320/14:10288496
http://linked.open...riv/jazykVysledku
http://linked.open.../riv/klicovaSlova
  • plastic deformation; PdH; Positron annihilation (en)
http://linked.open.../riv/klicoveSlovo
http://linked.open...odStatuVydavatele
  • PL - Polská republika
http://linked.open...ontrolniKodProRIV
  • [A5443B7B5CBD]
http://linked.open...i/riv/nazevZdroje
  • Acta Physica Polonica A
http://linked.open...in/vavai/riv/obor
http://linked.open...ichTvurcuVysledku
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http://linked.open...vavai/riv/projekt
http://linked.open...UplatneniVysledku
http://linked.open...v/svazekPeriodika
  • 125
http://linked.open...iv/tvurceVysledku
  • Melikhova, Oksana
  • Procházka, Ivan
  • Čížek, Jakub
http://linked.open...ain/vavai/riv/wos
  • 000339826300020
issn
  • 0587-4246
number of pages
http://bibframe.org/vocab/doi
  • 10.12693/APhysPolA.125.752
http://localhost/t...ganizacniJednotka
  • 11320
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