Evidence of metastable hcp phase grains in as-deposited nanocrystalline nickel films
Precession microscopy is applied to determine the morphology of pulsed laser deposited and unannealed Ni films. The nanostructure of these films, nominally 50nm in thickness, is heterogeneous and comprised predominantly of face-centered cubic (fcc)-Ni phase with regions of 〈101〉fcc, 〈112〉fcc and 〈00...
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| Veröffentlicht in: | Scripta materialia 2012-07, Vol.67 (2), p.189-192 |
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| container_title | Scripta materialia |
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| creator | Rajasekhara, S. Ganesh, K.J. Hattar, K. Knapp, J.A. Ferreira, P.J. |
| description | Precession microscopy is applied to determine the morphology of pulsed laser deposited and unannealed Ni films. The nanostructure of these films, nominally 50nm in thickness, is heterogeneous and comprised predominantly of face-centered cubic (fcc)-Ni phase with regions of 〈101〉fcc, 〈112〉fcc and 〈001〉fcc fiber texture. Metastable hexagonal close-packed (hcp)-Ni phase grains approximately 8.5nm in size are also present, and there is compelling evidence that local texture of the predominant fcc-Ni phase facilitates the formation and resulting texture of the metastable counterpart. |
| doi_str_mv | 10.1016/j.scriptamat.2012.04.014 |
| format | Article |
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The nanostructure of these films, nominally 50nm in thickness, is heterogeneous and comprised predominantly of face-centered cubic (fcc)-Ni phase with regions of 〈101〉fcc, 〈112〉fcc and 〈001〉fcc fiber texture. 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The nanostructure of these films, nominally 50nm in thickness, is heterogeneous and comprised predominantly of face-centered cubic (fcc)-Ni phase with regions of 〈101〉fcc, 〈112〉fcc and 〈001〉fcc fiber texture. 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The nanostructure of these films, nominally 50nm in thickness, is heterogeneous and comprised predominantly of face-centered cubic (fcc)-Ni phase with regions of 〈101〉fcc, 〈112〉fcc and 〈001〉fcc fiber texture. Metastable hexagonal close-packed (hcp)-Ni phase grains approximately 8.5nm in size are also present, and there is compelling evidence that local texture of the predominant fcc-Ni phase facilitates the formation and resulting texture of the metastable counterpart.</abstract><pub>Elsevier Ltd</pub><doi>10.1016/j.scriptamat.2012.04.014</doi><tpages>4</tpages></addata></record> |
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| ispartof | Scripta materialia, 2012-07, Vol.67 (2), p.189-192 |
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| source | Elsevier ScienceDirect Journals |
| subjects | Close packed lattices Deposition Grains Metastable hcp phase Microscopy Nanostructured nickel Nickel Precession electron microscopy Pulsed lasers Surface layer Texture |
| title | Evidence of metastable hcp phase grains in as-deposited nanocrystalline nickel films |
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