Observation of dislocations and inclusions in neodymiumdoped yttrium aluminium garnet by transmission electron microscopy
- 1 April 1973
- journal article
- research article
- Published by Taylor & Francis in Philosophical Magazine
- Vol. 27 (4), 777-784
- https://doi.org/10.1080/14786437308227560
Abstract
Dislocations and inclusions in neodymium-doped yttrium aluminium garnet were observed by transmission electron microscopy. Network dislocations on {111} planes are parallel to 〈110〉 directions and appear to be undissociated. Electron diffraction patterns from the inclusions show them to be single crystals of the orthorhombic yttrium aluminate perovskite-type. Electron microprobe analysis of similar inclusions indicates that they are crystals of yttrium neodymium aluminate, Y1-xNdxAlo3 (x 0.4). An orientation relationship between the inclusions and the garnet matrix is suggested.Keywords
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