Hard X-rays as pump and probe of atomic motion in oxide glasses

Abstract Nowadays powerful X-ray sources like synchrotrons and free-electron lasers are considered as ultimate tools for probing microscopic properties in materials. However, the correct interpretation of such experiments requires a good understanding on how the beam affects the properties of the sa...

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Autores principales:	B. Ruta, F. Zontone, Y. Chushkin, G. Baldi, G. Pintori, G. Monaco, B. Rufflé, W. Kob
Formato:	article
Lenguaje:	EN
Publicado:	Nature Portfolio 2017
Materias:	Medicine R Science Q
Acceso en línea:	https://doaj.org/article/6033ec5ce8d24ce98545044d24ffde68
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spelling	oai:doaj.org-article:6033ec5ce8d24ce98545044d24ffde682021-12-02T15:05:40ZHard X-rays as pump and probe of atomic motion in oxide glasses10.1038/s41598-017-04271-x2045-2322https://doaj.org/article/6033ec5ce8d24ce98545044d24ffde682017-06-01T00:00:00Zhttps://doi.org/10.1038/s41598-017-04271-xhttps://doaj.org/toc/2045-2322Abstract Nowadays powerful X-ray sources like synchrotrons and free-electron lasers are considered as ultimate tools for probing microscopic properties in materials. However, the correct interpretation of such experiments requires a good understanding on how the beam affects the properties of the sample, knowledge that is currently lacking for intense X-rays. Here we use X-ray photon correlation spectroscopy to probe static and dynamic properties of oxide and metallic glasses. We find that although the structure does not depend on the flux, strong fluxes do induce a non-trivial microscopic motion in oxide glasses, whereas no such dependence is found for metallic glasses. These results show that high fluxes can alter dynamical properties in hard materials, an effect that needs to be considered in the analysis of X-ray data but which also gives novel possibilities to study materials properties since the beam can not only be used to probe the dynamics but also to pump it.B. RutaF. ZontoneY. ChushkinG. BaldiG. PintoriG. MonacoB. RuffléW. KobNature PortfolioarticleMedicineRScienceQENScientific Reports, Vol 7, Iss 1, Pp 1-8 (2017)
institution	DOAJ
collection	DOAJ
language	EN
topic	Medicine R Science Q
spellingShingle	Medicine R Science Q B. Ruta F. Zontone Y. Chushkin G. Baldi G. Pintori G. Monaco B. Rufflé W. Kob Hard X-rays as pump and probe of atomic motion in oxide glasses
description	Abstract Nowadays powerful X-ray sources like synchrotrons and free-electron lasers are considered as ultimate tools for probing microscopic properties in materials. However, the correct interpretation of such experiments requires a good understanding on how the beam affects the properties of the sample, knowledge that is currently lacking for intense X-rays. Here we use X-ray photon correlation spectroscopy to probe static and dynamic properties of oxide and metallic glasses. We find that although the structure does not depend on the flux, strong fluxes do induce a non-trivial microscopic motion in oxide glasses, whereas no such dependence is found for metallic glasses. These results show that high fluxes can alter dynamical properties in hard materials, an effect that needs to be considered in the analysis of X-ray data but which also gives novel possibilities to study materials properties since the beam can not only be used to probe the dynamics but also to pump it.
format	article
author	B. Ruta F. Zontone Y. Chushkin G. Baldi G. Pintori G. Monaco B. Rufflé W. Kob
author_facet	B. Ruta F. Zontone Y. Chushkin G. Baldi G. Pintori G. Monaco B. Rufflé W. Kob
author_sort	B. Ruta
title	Hard X-rays as pump and probe of atomic motion in oxide glasses
title_short	Hard X-rays as pump and probe of atomic motion in oxide glasses
title_full	Hard X-rays as pump and probe of atomic motion in oxide glasses
title_fullStr	Hard X-rays as pump and probe of atomic motion in oxide glasses
title_full_unstemmed	Hard X-rays as pump and probe of atomic motion in oxide glasses
title_sort	hard x-rays as pump and probe of atomic motion in oxide glasses
publisher	Nature Portfolio
publishDate	2017
url	https://doaj.org/article/6033ec5ce8d24ce98545044d24ffde68
work_keys_str_mv	AT bruta hardxraysaspumpandprobeofatomicmotioninoxideglasses AT fzontone hardxraysaspumpandprobeofatomicmotioninoxideglasses AT ychushkin hardxraysaspumpandprobeofatomicmotioninoxideglasses AT gbaldi hardxraysaspumpandprobeofatomicmotioninoxideglasses AT gpintori hardxraysaspumpandprobeofatomicmotioninoxideglasses AT gmonaco hardxraysaspumpandprobeofatomicmotioninoxideglasses AT bruffle hardxraysaspumpandprobeofatomicmotioninoxideglasses AT wkob hardxraysaspumpandprobeofatomicmotioninoxideglasses
_version_	1718388766838620160

Hard X-rays as pump and probe of atomic motion in oxide glasses

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