Raman scattering studies of cobalt nanoclusters formed during high energy implantation of cobalt ions in a silica matrix

被引：16

作者：

Gangopadhyay, P. ^{[1
]}

Ravindran, T. R. ^{[1
]}

Nair, K. G. M. ^{[1
]}

Kalavathi, S. ^{[1
]}

Sundaravel, B. ^{[1
]}

Panigrahi, B. K. ^{[1
]}

机构：

[1] Indira Gandhi Ctr Atom Res, Div Mat Sci, Kalpakkam 603102, Tamil Nadu, India

来源：

APPLIED PHYSICS LETTERS | 2007年 / 90卷 / 06期

关键词：

D O I：

10.1063/1.2434158

中图分类号：

O59 [应用物理学];

学科分类号：

摘要：

Nanoscale cobalt clusters are synthesized in a silica glass matrix through implantation of high energy cobalt ions. Surface acoustic symmetrical vibrational modes of cobalt nanoclusters are detected using Raman spectroscopy. Mode intensity is found to depend strongly on excitation wavelengths. X-ray diffraction studies reveal face-centered-cubic phase of cobalt nanoclusters in postannealed samples. Postannealing in vacuum has led to significant growth of the cobalt nanoclusters in the matrix. (c) 2007 American Institute of Physics.

引用

页数：3

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