Lattice mismatch between Pb-substituted EuIG LPE films and NdGG substrates
- 1 January 1976
- proceedings article
- Published by AIP Publishing in AIP Conference Proceedings
- Vol. 29 (1) , 109-110
- https://doi.org/10.1063/1.30539
Abstract
The lattice mismatch Δa as a function of Pb content of the film, for LPE grown EuIG films on (100) and (111) NdGG substrates, deviates from linearity at Pb contents greater than 1 wt % Pb. At these Pb contents the films are compressively strained. It is suggested that the deviation is caused by a change in valence state of Pb and Eu. Heat treating films of high Pb content above 900°C resulted in stress‐relief.Keywords
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