Memory Glass: An Amorphous Material Formed from AlPO 4
- 10 August 1990
- journal article
- other
- Published by American Association for the Advancement of Science (AAAS) in Science
- Vol. 249 (4969) , 647-649
- https://doi.org/10.1126/science.249.4969.647
Abstract
A glass exhibiting structural memory has been produced through the compression of a single crystal of AlPO4 berlinite to 18 gigapascals at 300 kelvin. The unique and extraordinary characteristic of this glass is that upon decompression below 5 gigapascals it transforms back into a single crystal with the same orientation as the starting crystal. This glass has a "memory" of the previous crystallographic orientation of the crystal from which it forms.Keywords
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