Articles | Volume 33, issue 1
https://doi.org/10.5194/ejm-33-113-2021
https://doi.org/10.5194/ejm-33-113-2021
Research article
 | 
09 Feb 2021
Research article |  | 09 Feb 2021

A combined Fourier transform infrared and Cr K-edge X-ray absorption near-edge structure spectroscopy study of the substitution and diffusion of H in Cr-doped forsterite

Michael C. Jollands, Hugh St.C. O'Neill, Andrew J. Berry, Charles Le Losq, Camille Rivard, and Jörg Hermann

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Latest update: 23 Nov 2024
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Short summary
How, and how fast, does hydrogen move through crystals? We consider this question by adding hydrogen, by diffusion, to synthetic crystals of olivine doped with trace amounts of chromium. Even in a highly simplified system, the behaviour of hydrogen is complex. Hydrogen can move into and through the crystal using various pathways (different defects within the crystal) and hop between these pathways too.