Oxygen mobility in yttrium hydride films studied by isotopic labelling-Reference-Cited by-同舟云学术

Oxygen mobility in yttrium hydride films studied by isotopic labelling

Published:2022 Issue: Volume:261 Page:01001
ISSN:2100-014X
Container-title:EPJ Web of Conferences
language:
Short-container-title:EPJ Web Conf.

Author:

Moldarev Dmitrii,Aracheloff Camille,Moro Marcos V.,Pitthan Eduardo,Wolff Max,Primetzhofer Daniel

Abstract

The photochromic properties of oxygen-containing yttrium hydride thin films are directly dependent on the oxygen concentration in the material. We use 16O/18O labelling to study oxidation of YH2 films. Oxygen penetrates the film through grain boundaries and intercolumnar voids oxidising the whole film thickness, without pronounced surface oxidation or self-passivation. Once oxidised, the mobility of oxygen in the films is low and no detectable changes in chemical composition of 18O-labeled YHO films is found under illumination.

Publisher

EDP Sciences

Subject

General Medicine

Link

https://www.epj-conferences.org/10.1051/epjconf/202226101001/pdf

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