We report the discovery of a face-centered cubic (Al1-xCr x)2O3 solid solution [0.60 < x < 0.70] in films grown onto Si substrates using reactive radio frequency magnetron sputtering from Al and Cr targets at 400 °C. The proposed structure is NaCl-like with 33% vacancies on the metal sites. The unit cell parameter is 4.04 Å as determined by X-ray diffraction. The films have a <100> preferred crystallographic orientation and exhibit hardness values up to 26 GPa and an elastic modulus of 220-235 GPa. © 2010 Elsevier B.V.All rights reserved.
CITATION STYLE
Khatibi, A., Palisaitis, J., Höglund, C., Eriksson, A., Persson, P. O. Å., Jensen, J., … Hultman, L. (2011). Face-centered cubic (Al1 - XCrx)2O 3. Thin Solid Films, 519(8), 2426–2429. https://doi.org/10.1016/j.tsf.2010.11.052
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