A new phase transition at Ge(111) surface observed by low-energy-electron diffraction
- 6 April 1987
- journal article
- research article
- Published by American Physical Society (APS) in Physical Review Letters
- Vol. 58 (14) , 1437-1439
- https://doi.org/10.1103/physrevlett.58.1437
Abstract
Observations on the (111) surface of Ge crystal at elevated temperatures have been made by low-energy-electron diffraction with position-sensitive detection. The results indicate that the outermost few atom double layers lose lateral crystalline order in a continuous phase transition 150 K below the bulk melting temperature.Keywords
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