Thermochromic effect in YH3-δ and Mg0.1Y0.9H2.9-δ

Publication date

2002

Authors

Giebels, I.A.M.E.
Molen, S.J.
Griessen, R.
Di Vece, MarcelISNI 000000038811395X

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Article
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Abstract

Pure YH32-δ and Mg0.1Y0.9H2.92-δ exhibit large differences in their thermochromic properties. Whereas the transmittance of YH32δ decreases by 9% to 36%, in Mg0.1Y0.9H2.92-δ it decreases by 64% to 83% between 30 °C and 160 °C. This thermochromic effect is caused by hydrogen desorption upon temperature increase. The main difference between the two systems is that the face-centered-cubic to hexagonal-close-packed phase transition between YH21-δ and YH32-δ is absent in Mg0.1Y0.9Hx , i.e., the YHx stays cubic for all 2

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Citation

Giebels, I A M E, Molen, S J, Griessen, R & Di Vece, M 2002, 'Thermochromic effect in YH3-δ and Mg0.1Y0.9H2.9-δ', Applied Physics Letters, vol. 80, no. 8, pp. 1343-1345. https://doi.org/10.1063/1.1446993