| Numéro |
J. Phys. Colloques
Volume 50, Numéro C8, Novembre 1989
36th International Field Emission Symposium
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|---|---|---|
| Page(s) | C8-365 - C8-370 | |
| DOI | https://doi.org/10.1051/jphyscol:1989862 | |
36th International Field Emission Symposium
J. Phys. Colloques 50 (1989) C8-365-C8-370
DOI: 10.1051/jphyscol:1989862
1 Laboratoires de Microscopie Ionique, URA CNRS 808, Faculté des Sciences de Rouen, BP. 118, F-76134 Mont Saint Aignan Cedex, France
2 Office National d'Etudes et de Recherches Aérospatiales, F-92322 Chatillon Cedex, France
J. Phys. Colloques 50 (1989) C8-365-C8-370
DOI: 10.1051/jphyscol:1989862
FIM ATOM PROBE INVESTIGATION OF LONG PERIOD SUPERSTRUCTURES IN Cu3 ± xPd
D. BLAVETTE1, S. CHAMBRELAND1, A. LOISEAU2, J. PLANES2 et F. DUCASTELLE21 Laboratoires de Microscopie Ionique, URA CNRS 808, Faculté des Sciences de Rouen, BP. 118, F-76134 Mont Saint Aignan Cedex, France
2 Office National d'Etudes et de Recherches Aérospatiales, F-92322 Chatillon Cedex, France
Abstract
FIM atom-probe techniques have been used in order to investigate concentration modulations related to (001) APB's in Cu3 ± x Pd. Layer by layer analysis of (001) superstructure planes of a long-period single crystal (20.5 % Pd) exhibits LRO modulations with correlation lengths oscillating between 6 and 7 d001. The average wavelength (6.5 d001) is in good agreement with the mean size of one-dimensional ordered domains, as measured by HRTEM.