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Cotunnite-Structured Titanium Dioxide |
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| Authors: | N A Dubrovinskaia L S Dubrovinsky V Swamy R Ahuja |
| Institution: | 1. Bayerisches Geoinstitut , Universit?t Bayreuth , Bayreuth , D-95440 , Germany;2. CSIRO Minerals , Box 312, Clayton South , Victoria , 3169 , Australia;3. Department of Physics , Uppsala University , Uppsala , S-751 21 , Sweden |
| Abstract: | Combined theoretical and experimental studies led to discovery of a new polymorph modification of titanium dioxide with nine-coordinated titanium. Among polycrystalline materials, it is one of the least compressible (with a bulk modulus of 431 GPa) and hardest (with a microhardness of 38 GPa). |
| Keywords: | Titanium Dioxide High-pressure Lattice Dynamics Diamond Anvil Cells |