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- Komander, KristinaUppsala universitet,Tillämpad kärnfysik (author)
Hydrogen induced lattice expansion and site occupation analyzed by ion beam methods
- Article/chapterEnglish2021
Publisher, publication year, extent ...
- Elsevier,2021
- printrdacarrier
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- LIBRIS-ID:oai:DiVA.org:uu-430577
- https://urn.kb.se/resolve?urn=urn:nbn:se:uu:diva-430577URI
- https://doi.org/10.1016/j.nimb.2020.09.017DOI
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- Language:English
- Summary in:English
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- We study the absorption of H in ultrathin crystalline Fe/V stacks using elastic recoil detection (ERD) and resonant nuclear reaction analysis (NRA) combined with Rutherford backscattering spectrometry (RBS). Probing with the resonant H-1 (N-15,alpha gamma) C-12 nuclear reaction allows us to profile the hydrogen concentration with high depth resolution, while ERD permits us to quantify the integral hydrogen inventory while minimizing possible ionbeam induced hydrogen desorption. We perform angular scans in order to directly identify the interstitial site occupancy. A detailed analysis of channeling patterns permits us the deduction of crystal strain in as-deposited films as well as H-loaded targets. We observe tetragonal strain formation resulting in c/a = 1.06 and find qualitative indications for tetrahedral site occupation.
Subject headings and genre
- NATURVETENSKAP Fysik Subatomär fysik hsv//swe
- NATURAL SCIENCES Physical Sciences Subatomic Physics hsv//eng
- Metal hydride
- Hydrogen site occupancy
- Channelling
- Vanadium
- Strain analysis
Added entries (persons, corporate bodies, meetings, titles ...)
- Moro, Marcos V.Uppsala universitet,Tillämpad kärnfysik(Swepub:uu)marmo488 (author)
- Saha, JitendraUppsala universitet,Materialfysik (author)
- Wolff, MaxUppsala universitet,Materialfysik(Swepub:uu)maxwo643 (author)
- Primetzhofer, DanielUppsala universitet,Tillämpad kärnfysik(Swepub:uu)danpr521 (author)
- Uppsala universitetTillämpad kärnfysik (creator_code:org_t)
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- In:Nuclear Instruments and Methods in Physics Research Section B: Elsevier486, s. 63-670168-583X1872-9584
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