Surface Modification and Damage of MeV-Energy Heavy Ion Irradiation on Gold Nanowires
Gold nanowires with diameters ranging from 20 to 90 nm were fabricated by the electrochemical deposition technique in etched ion track polycarbonate templates and were then irradiated by Xe and Kr ions with the energy in MeV range. The surface modification of nanowires was studied by scanning electr...
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doaj-d81c48a322f24c8586adeb1b820728542020-11-24T21:00:00ZengMDPI AGNanomaterials2079-49912017-05-017510810.3390/nano7050108nano7050108Surface Modification and Damage of MeV-Energy Heavy Ion Irradiation on Gold NanowiresYaxiong Cheng0Huijun Yao1Jinglai Duan2Lijun Xu3Pengfei Zhai4Shuangbao Lyu5Yonghui Chen6Khan Maaz7Dan Mo8Youmei Sun9Jie Liu10Institute of Modern Physics, Chinese Academy of Sciences (CAS), Lanzhou 730000, ChinaInstitute of Modern Physics, Chinese Academy of Sciences (CAS), Lanzhou 730000, ChinaInstitute of Modern Physics, Chinese Academy of Sciences (CAS), Lanzhou 730000, ChinaInstitute of Modern Physics, Chinese Academy of Sciences (CAS), Lanzhou 730000, ChinaInstitute of Modern Physics, Chinese Academy of Sciences (CAS), Lanzhou 730000, ChinaInstitute of Modern Physics, Chinese Academy of Sciences (CAS), Lanzhou 730000, ChinaInstitute of Modern Physics, Chinese Academy of Sciences (CAS), Lanzhou 730000, ChinaInstitute of Modern Physics, Chinese Academy of Sciences (CAS), Lanzhou 730000, ChinaInstitute of Modern Physics, Chinese Academy of Sciences (CAS), Lanzhou 730000, ChinaInstitute of Modern Physics, Chinese Academy of Sciences (CAS), Lanzhou 730000, ChinaInstitute of Modern Physics, Chinese Academy of Sciences (CAS), Lanzhou 730000, ChinaGold nanowires with diameters ranging from 20 to 90 nm were fabricated by the electrochemical deposition technique in etched ion track polycarbonate templates and were then irradiated by Xe and Kr ions with the energy in MeV range. The surface modification of nanowires was studied by scanning electron microscopy (SEM) and transmission electron microscopy (TEM) characterizations. Different craters with and without protrusion on the gold nanowires were analyzed, and the two corresponding formation mechanisms, i.e., plastic flow and micro-explosion, were investigated. In addition, the sputtered gold nanoparticles caused by ion irradiation were studied and it was confirmed that the surface damage produced in gold nanowires was increased as the diameter of the nanowires decreased. It was also found that heavy ion irradiation can also create stacking fault tetrahedrons (SFTs) in gold nanowires and three different SFTs were confirmed in irradiated nanowires. A statistical analysis of the size distribution of SFTs in gold nanowires proved that the average size distribution of SFT was positively related to the nuclear stopping power of incident ions, i.e., the higher nuclear stopping power of incident ions could generate SFT with a larger average size in gold nanowires.http://www.mdpi.com/2079-4991/7/5/108gold nanowiresion irradiationsurface modificationstacking fault tetrahedrons |
collection |
DOAJ |
language |
English |
format |
Article |
sources |
DOAJ |
author |
Yaxiong Cheng Huijun Yao Jinglai Duan Lijun Xu Pengfei Zhai Shuangbao Lyu Yonghui Chen Khan Maaz Dan Mo Youmei Sun Jie Liu |
spellingShingle |
Yaxiong Cheng Huijun Yao Jinglai Duan Lijun Xu Pengfei Zhai Shuangbao Lyu Yonghui Chen Khan Maaz Dan Mo Youmei Sun Jie Liu Surface Modification and Damage of MeV-Energy Heavy Ion Irradiation on Gold Nanowires Nanomaterials gold nanowires ion irradiation surface modification stacking fault tetrahedrons |
author_facet |
Yaxiong Cheng Huijun Yao Jinglai Duan Lijun Xu Pengfei Zhai Shuangbao Lyu Yonghui Chen Khan Maaz Dan Mo Youmei Sun Jie Liu |
author_sort |
Yaxiong Cheng |
title |
Surface Modification and Damage of MeV-Energy Heavy Ion Irradiation on Gold Nanowires |
title_short |
Surface Modification and Damage of MeV-Energy Heavy Ion Irradiation on Gold Nanowires |
title_full |
Surface Modification and Damage of MeV-Energy Heavy Ion Irradiation on Gold Nanowires |
title_fullStr |
Surface Modification and Damage of MeV-Energy Heavy Ion Irradiation on Gold Nanowires |
title_full_unstemmed |
Surface Modification and Damage of MeV-Energy Heavy Ion Irradiation on Gold Nanowires |
title_sort |
surface modification and damage of mev-energy heavy ion irradiation on gold nanowires |
publisher |
MDPI AG |
series |
Nanomaterials |
issn |
2079-4991 |
publishDate |
2017-05-01 |
description |
Gold nanowires with diameters ranging from 20 to 90 nm were fabricated by the electrochemical deposition technique in etched ion track polycarbonate templates and were then irradiated by Xe and Kr ions with the energy in MeV range. The surface modification of nanowires was studied by scanning electron microscopy (SEM) and transmission electron microscopy (TEM) characterizations. Different craters with and without protrusion on the gold nanowires were analyzed, and the two corresponding formation mechanisms, i.e., plastic flow and micro-explosion, were investigated. In addition, the sputtered gold nanoparticles caused by ion irradiation were studied and it was confirmed that the surface damage produced in gold nanowires was increased as the diameter of the nanowires decreased. It was also found that heavy ion irradiation can also create stacking fault tetrahedrons (SFTs) in gold nanowires and three different SFTs were confirmed in irradiated nanowires. A statistical analysis of the size distribution of SFTs in gold nanowires proved that the average size distribution of SFT was positively related to the nuclear stopping power of incident ions, i.e., the higher nuclear stopping power of incident ions could generate SFT with a larger average size in gold nanowires. |
topic |
gold nanowires ion irradiation surface modification stacking fault tetrahedrons |
url |
http://www.mdpi.com/2079-4991/7/5/108 |
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