STUDY OF FORMATION OF DEFECTS/DEFECT CLUSTERS IN NICKEL NANOWIRES

Shehla Honey, Jamil Asim, Ishaq Ahmad, Tingkai Zhao, Maaza Malek and Shahzad Naseem
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Shehla Honey: Department of Physics, University of Okara, Okara Pakistan§UNESCO-UNISA Africa Chair in Nanosciences/Nanotechnology, College of Graduate Studies, University of South Africa, Muckleneuk ridge, P. O. Box 392, Pretoria, South Africa¶Nanosciences African Network (NANOAFNET), iThemba LABS, National Research Foundation, Old Faure Road, P. O. Box, 722, Somerset West 7129, South Africa‡‡Centre for Nanosciences, University of Okara, Pakistan
Jamil Asim: #x2020;University of Okara, Okara Pakistan
Ishaq Ahmad: #x2021;National Center for Physics, Quaid-i-Azam University, Islamabad 44000, Pakistan∥NPU-NCP Joint International Research, Center on Advanced Nanomaterials and Defects Engineering, Northwestern Polytechnical University, Xi’an 710072, P. R. China
Tingkai Zhao: #x2225;NPU-NCP Joint International Research, Center on Advanced Nanomaterials and Defects Engineering, Northwestern Polytechnical University, Xi’an 710072, P. R. China**School of Materials Science & Engineering, Northwestern Polytechnical University, Xi’an 710072, P. R. China
Maaza Malek: #xA7;UNESCO-UNISA Africa Chair in Nanosciences/Nanotechnology, College of Graduate Studies, University of South Africa, Muckleneuk ridge, P. O. Box 392, Pretoria, South Africa¶Nanosciences African Network (NANOAFNET), iThemba LABS, National Research Foundation, Old Faure Road, P. O. Box, 722, Somerset West 7129, South Africa
Shahzad Naseem: #x2020;†Centre of Excellence in Solid State Physics, University of the Punjab, Lahore, Pakistan

Surface Review and Letters (SRL), 2020, vol. 27, issue 10, 1-7

Abstract: In this paper, formation of defects/defect clusters in nickel nanowires (Ni-NWs) due to interaction of a 60 kilo-electron-volt (keV) beam of proton (H+) ions is studied. Ni-NWs are exposed to various fluencies of H+ ions ranging between 1.5×1015 and 1.5×1017ions/cm2. The analysis of pristine and H+ ion-irradiated Ni-NWs samples is mainly done using transmission electron microscopy (TEM) and X-ray diffraction (XRD) techniques. Stopping range of ions in matter (SRIM) simulation software is employed to verify the production of defect clusters in Ni-NWs theoretically. Furthermore, insight of creation of defects in Ni-NWs due to interaction of low energy H+ ions in keV range is made using the theory of collision cascade effect. The study of defect clusters induced in Ni-NWs under H+ ions beam irradiation is essential for application of Ni-NW-based nanodevices in harsh environment containing plenty of H+ ions such as for use in spacecraft equipped for space missions.

Keywords: Ni-NWs; H+ ions; irradiation; defect clusters; TEM; XRD; SRIM (search for similar items in EconPapers)
Date: 2020
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DOI: 10.1142/S0218625X19502160

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