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2006 | 109 | 3 | 347-351
Article title

Surface Nanofeatures Induced by High-Energy Heavy Ions Irradiation

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EN
Abstracts
EN
During neutron, ions or electron irradiation of materials, the surface morphology can be microroughened in different forms. Using a tandem accelerator with high current capability, 3.66 MeV Ni and Al ions were implanted into Ni-22at%Si alloy at 650ºC and intoα-Al_2O_3 at 1000ºC, respectively. Scanning electron microscopy observation revealed surface nanofeatures induced by the irradiations. On the Ni--Si alloy, long parallel channels are formed having a periodicity near to 2μm and a mean depth of 30 nm (atomic force microscopy measurements). Onα-Al_2O_3 nanopyramides with around 50 nm basis length and similar height were detected on some grains forming periodic chains. We assume that preferential sputtering produced both induced surface features.
Keywords
EN
Publisher

Year
Volume
109
Issue
3
Pages
347-351
Physical description
Dates
published
2006-03
received
2005-05-20
Contributors
  • ESFM-IPN, 07738 México D.F., Mexico
  • ESFM-IPN, 07738 México D.F., Mexico
  • ESFM-IPN, 07738 México D.F., Mexico
  • ESFM-IPN, 07738 México D.F., Mexico
author
  • IFF-FZ, Jülich, Germany
References
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Document Type
Publication order reference
Identifiers
YADDA identifier
bwmeta1.element.bwnjournal-article-appv109n314kz
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