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X-ray-induced hydride formation in palladium nanowires in a gaseous hydrogen environment

Sjö, Hanna LU ; Chen, Huaiyu LU ; Abbondanza, Giuseppe LU ; Dzhigaev, Dmitry LU orcid ; Hill Landberg, Megan O. LU ; Wallentin, Jesper LU and Gustafson, Johan LU (2026) In Journal of Applied Crystallography 59(4). p.1005-1012
Abstract

Palladium hydrides are promising systems for hydrogen sensors and hydrogen storage, making the study of hydride formation in nanoparticles highly relevant. Lately, such studies have often been performed in situ or operando using synchrotron radiation of increasingly high intensity and brilliance. While beam-induced effects are well documented in liquid environments, they are rarely considered in the gaseous phase. Here, X-ray diffraction is used to investigate hydride formation in palladium nanowires, comparing hydrogen-induced transitions with transitions triggered by varying X-ray exposure rates. Although hydrogen exposure naturally drives hydride formation, we observe a clear additional contribution from beam-induced effects. These... (More)

Palladium hydrides are promising systems for hydrogen sensors and hydrogen storage, making the study of hydride formation in nanoparticles highly relevant. Lately, such studies have often been performed in situ or operando using synchrotron radiation of increasingly high intensity and brilliance. While beam-induced effects are well documented in liquid environments, they are rarely considered in the gaseous phase. Here, X-ray diffraction is used to investigate hydride formation in palladium nanowires, comparing hydrogen-induced transitions with transitions triggered by varying X-ray exposure rates. Although hydrogen exposure naturally drives hydride formation, we observe a clear additional contribution from beam-induced effects. These findings highlight the need to account for such effects when studying gas–solid reactions with X-rays.

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author
; ; ; ; ; and
organization
publishing date
type
Contribution to journal
publication status
published
subject
keywords
beam damage, hydrogen, metal hydrides, nanowires, powder diffraction
in
Journal of Applied Crystallography
volume
59
issue
4
pages
8 pages
publisher
International Union of Crystallography
external identifiers
  • scopus:105046607521
  • pmid:42559143
ISSN
0021-8898
DOI
10.1107/S1600576726004620
language
English
LU publication?
yes
additional info
Publisher Copyright: © Hanna Sjö et al. 2026.
id
04897d56-eb33-4421-9866-d712e2002b9c
date added to LUP
2026-08-20 11:27:39
date last changed
2026-09-17 13:13:11
@article{04897d56-eb33-4421-9866-d712e2002b9c,
  abstract     = {{<p>Palladium hydrides are promising systems for hydrogen sensors and hydrogen storage, making the study of hydride formation in nanoparticles highly relevant. Lately, such studies have often been performed in situ or operando using synchrotron radiation of increasingly high intensity and brilliance. While beam-induced effects are well documented in liquid environments, they are rarely considered in the gaseous phase. Here, X-ray diffraction is used to investigate hydride formation in palladium nanowires, comparing hydrogen-induced transitions with transitions triggered by varying X-ray exposure rates. Although hydrogen exposure naturally drives hydride formation, we observe a clear additional contribution from beam-induced effects. These findings highlight the need to account for such effects when studying gas–solid reactions with X-rays.</p>}},
  author       = {{Sjö, Hanna and Chen, Huaiyu and Abbondanza, Giuseppe and Dzhigaev, Dmitry and Hill Landberg, Megan O. and Wallentin, Jesper and Gustafson, Johan}},
  issn         = {{0021-8898}},
  keywords     = {{beam damage; hydrogen; metal hydrides; nanowires; powder diffraction}},
  language     = {{eng}},
  month        = {{08}},
  number       = {{4}},
  pages        = {{1005--1012}},
  publisher    = {{International Union of Crystallography}},
  series       = {{Journal of Applied Crystallography}},
  title        = {{X-ray-induced hydride formation in palladium nanowires in a gaseous hydrogen environment}},
  url          = {{http://dx.doi.org/10.1107/S1600576726004620}},
  doi          = {{10.1107/S1600576726004620}},
  volume       = {{59}},
  year         = {{2026}},
}