Bhattacharya, P ; Bysakh, S ; Ishihara, K.N ; Chattopadhyay, K (2001) New observation on heating Ni-Al multilayers of 10nm periodicity Scripta Materialia, 44 (8-9). pp. 1831-1835. ISSN 1359-6462
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Official URL: http://doi.org/10.1016/S1359-6462(01)00802-8
Related URL: http://dx.doi.org/10.1016/S1359-6462(01)00802-8
Abstract
Multilayers of Ni and Al of 10nm periodicity have been sequentially deposited by RF sputtering. Only elemental Ni and Al were present in the as-deposited samples. No phase formation was detected until 673K. For samples heated to 873K, TEM studies reveal presence of large grains of Al3Ni (confirmed with large systematic tilts) and equiaxed nanocrystals of Al3Ni. In addition to the reflections from these two phases, the samples contain additional reflections with streaking from an additional phase. Imaging with these reflections reveals domains with probably strain modulations. Small elongated precipitates of Al3Ni are also occasionally present in the Al3Ni matrix. The origin of this complex microstructure is discussed.
| Item Type: | Article |
|---|---|
| Source: | Copyright of this article belongs to Acta Materialia Inc |
| ID Code: | 135413 |
| Deposited On: | 23 Jan 2023 10:39 |
| Last Modified: | 23 Jan 2023 10:39 |
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