Epitaxial solid‐solution films of immiscible MgO and CaO
| Autor: | E. H. Hartford, E. S. Hellman |
|---|---|
| Rok vydání: | 1994 |
| Předmět: |
Materials science
Reflection high-energy electron diffraction Physics and Astronomy (miscellaneous) Spinodal decomposition Nucleation Activation energy Epitaxy Condensed Matter::Materials Science Crystallography Electron diffraction Chemical physics Condensed Matter::Superconductivity Molecular beam epitaxy Solid solution |
| Zdroj: | Applied Physics Letters. 64:1341-1343 |
| ISSN: | 1077-3118 0003-6951 |
| DOI: | 10.1063/1.111928 |
| Popis: | Metastable solid solutions in the MgO‐CaO system grow readily on MgO at 300 °C by molecular beam epitaxy. The epitaxy displays both the reflection high‐energy electron diffraction oscillations characteristic of layer‐by‐layer growth and the lattice rotations which have been related to island nucleation. Mg1−xCaxO solid solutions grow despite a larger miscibility gap than in any system for which epitaxial solid solutions have been grown. Epitaxial quenching of nonequilibrium solid solutions is possible because of the very low growth temperatures for rock‐salt oxides. |
| Databáze: | OpenAIRE |
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