Karim, Shafqat ; Toimil-Molares, Maria E. ; Ensinger, Wolfgang ; Balogh, Adam G. ; Cornelius, Thomas W. ; Khan, Ehsan U. ; Neumann, Reinhard (2007):
Influence of crystallinity on the Rayleigh instability of gold nanowires.
In: Journal of Physics D : Applied Physics, 40 (12), pp. 3767-3770. IOP Publishing, [Article]
Abstract
The influence of the crystalline structure of nanowires on their thermal instability has been systematically investigated. Both poly- and single-crystalline (SC) cylindrical nanowires with diameters 87 and 132 nm transform into chains of spheres during annealing at 600–700 °C. SC nanowires oriented along the lang1 1 0rang direction are found to be more stable, i.e. longer annealing times are needed for their complete transformation into sphere chains. Sphere size and spacing between adjacent spheres formed after decay are controlled by the crystallinity of the wires and both are larger in the case of SC nanowires.
Item Type: | Article |
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Erschienen: | 2007 |
Creators: | Karim, Shafqat ; Toimil-Molares, Maria E. ; Ensinger, Wolfgang ; Balogh, Adam G. ; Cornelius, Thomas W. ; Khan, Ehsan U. ; Neumann, Reinhard |
Title: | Influence of crystallinity on the Rayleigh instability of gold nanowires |
Language: | English |
Abstract: | The influence of the crystalline structure of nanowires on their thermal instability has been systematically investigated. Both poly- and single-crystalline (SC) cylindrical nanowires with diameters 87 and 132 nm transform into chains of spheres during annealing at 600–700 °C. SC nanowires oriented along the lang1 1 0rang direction are found to be more stable, i.e. longer annealing times are needed for their complete transformation into sphere chains. Sphere size and spacing between adjacent spheres formed after decay are controlled by the crystallinity of the wires and both are larger in the case of SC nanowires. |
Journal or Publication Title: | Journal of Physics D : Applied Physics |
Journal volume: | 40 |
Number: | 12 |
Publisher: | IOP Publishing |
Uncontrolled Keywords: | Surfaces, interfaces and thin films; Condensed matter: structural, mechanical & thermal; Nanoscale science and low-D systems |
Divisions: | 11 Department of Materials and Earth Sciences 11 Department of Materials and Earth Sciences > Material Science 11 Department of Materials and Earth Sciences > Material Science > Material Analytics |
Date Deposited: | 20 Nov 2008 08:28 |
Additional Information: | This paper is dedicated to Professor Dr H Fueß on the occasion of his 65th birthday. |
Funders: | One of the authors (SK) thanks the Higher Education Commission (HEC), Pakistan, for supporting him financially. |
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