| CONDENSED MATTER: STRUCTURE, MECHANICAL AND THERMAL PROPERTIES |
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Fabrication of Amorphous Silver Nanowires by Helium Ion Beam Irradiation |
| Shehla H.1,2,3,4, Ali A.1, Zongo S.3,4, Javed I.5, Ishaq A.1,3,4**, Khizar H.6, Naseem S.2, Maaza M.3,4 |
1National Center for Physics, Quaid-i-Azam University, Islamabad 44000, Pakistan
2Center of Excellence in Solid State Physics, University of the Punjab, Lahore, Pakistan
3UNESCO-UNISA Africa Chair in Nanosciences/Nanotechnology, College of Graduate Studies, University of South Africa, Muckleneuk ridge, Pretoria-South Africa
4Nanosciences African Network (NANOAFNET), iThemba LABS-National Research Foundation, 1 OldFaure road, Somerset West 7129, South Africa
5Laboratory of Nanoscience and Technology, Department of Physics, International Islamic University Islamabad, Pakistan
6Department of Physics, Mirpur University of Science and Technology, Mirpur, Azad Jammu & Kashmire
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| Cite this article: |
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Shehla H., Ali A. Zongo S. Javed I. Ishaq A. Khizar H. Naseem S. Maaza M. 2015 Chin. Phys. Lett. 32 096101 |
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Abstract Amorphous silver nanowires (a-Ag NWs) are fabricated from crystalline Ag NWs by using 5 MeV helium (He+) ion beam irradiation. At low dose (5×1015 ion/cm2), few defects are created in Ag NWs. As dose increases, more damage to the crystalline structure of Ag NWs is observed. Finally at high dose (8×1016 ion/cm2), the face-centered cubic structure of Ag NWs is transformed into the amorphous structure with similar morphology as Ag NWs. Phase transformation of crystalline Ag NWs upon irradiation with 5 MeV He+ ions is observed through high resolution transmission electron microscopy. Synthesis of large scale amorphous metal nanowires and metal nanowire alloy systems are discussed.
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Received: 25 May 2015
Published: 02 October 2015
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| PACS: |
61.80.-x
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(Physical radiation effects, radiation damage)
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61.46.Km
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(Structure of nanowires and nanorods (long, free or loosely attached, quantum wires and quantum rods, but not gate-isolated embedded quantum wires))
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