Fabrication of well ordered Zn nanorod arrays by ion irradiation method at room temperature and effect on crystal orientations

Masaki Kutsuna, Pradip Ghosh, Masato Kudo, Masaki Tanemura, Yasuhiko Hayashi

Research output: Contribution to journalArticle

3 Citations (Scopus)

Abstract

Highly oriented and densely packed one-dimensional (1D) polycrystalline Zn nanorods were fabricated on zinc plate without any catalyst at room temperature by bombardment with obliquely incident Ar+ ion via ion irradiation method. The sputtered surfaces were fully covered with Zn nanostructures with diameter and the length around 60 nm and 1.3 μm, respectively, confirmed by scanning electron microscopy (SEM) and transmission electron microscopy (TEM). The crystal orientation of the Zn plate was investigated by electron back scattering pattern method (EBSP). The numerical density and morphology of Zn nanostructures (nanoneedle or nanorods) were found to be 2.1 × 106 to 9 × 106/mm2 depending upon the crystal orientation and the atomic density on different crystallographic faces. (2 over(1, ̄) over(1, ̄) 0) faces of Zn polycrystal tended to form more dense nanostructures compared to (0 0 0 over(1, ̄)) faces. This is because of lower atomic density on (2 over(1, ̄) over(1, ̄) 0) faces in comparison with (0 0 0 over(1, ̄)) faces. This indicates that lower atomic density on any crystallographic faces is favorable to form nanostructure of higher density. The outstanding feature of this growth technique is that it provides a new direction for the controllable growth of desired nanostructures of variable density at room temperature without any catalyst. These well-aligned arrays of Zn nanorods/nanoneedle might be a promising material for the future application in nanodevices.

Original languageEnglish
Pages (from-to)1481-1485
Number of pages5
JournalApplied Surface Science
Volume256
Issue number5
DOIs
Publication statusPublished - Dec 15 2009
Externally publishedYes

Fingerprint

Ion bombardment
Nanorods
Crystal orientation
Nanostructures
Fabrication
Nanoneedles
Temperature
Catalysts
Polycrystals
Zinc
Scattering
Ions
Transmission electron microscopy
Scanning electron microscopy
Electrons

Keywords

  • Electron back scattering pattern
  • Ion beam sputtering
  • Zn nanostructures

ASJC Scopus subject areas

  • Surfaces, Coatings and Films

Cite this

Fabrication of well ordered Zn nanorod arrays by ion irradiation method at room temperature and effect on crystal orientations. / Kutsuna, Masaki; Ghosh, Pradip; Kudo, Masato; Tanemura, Masaki; Hayashi, Yasuhiko.

In: Applied Surface Science, Vol. 256, No. 5, 15.12.2009, p. 1481-1485.

Research output: Contribution to journalArticle

Kutsuna, Masaki ; Ghosh, Pradip ; Kudo, Masato ; Tanemura, Masaki ; Hayashi, Yasuhiko. / Fabrication of well ordered Zn nanorod arrays by ion irradiation method at room temperature and effect on crystal orientations. In: Applied Surface Science. 2009 ; Vol. 256, No. 5. pp. 1481-1485.
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