Nano Archive

Surface-mediated structural transformation in CdTe nanoparticles dispersed in SiO2 thin films

Dayal, P. Babu and Mehta, B. R and Aparna , Y and Shivaprasad, S. M. (2002) Surface-mediated structural transformation in CdTe nanoparticles dispersed in SiO2 thin films. Applied Physics Letters, 81 (22). p. 4254. ISSN 00036951

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Abstract

Cadmium telluride nanoparticles dispersed in silicon dioxide thin films have been grown by magnetron sputtering technique followed by thermal annealing. The effect of thermal annealing conditions on the structure of the surface layer and the nanoparticle core has been studied. A structural transformation in the nanoparticle core mediated solely by surface effects has been observed for the first time in any nanoparticle system. The presence of a crystalline cadmium tellurium oxide layer modifies the crystal structure of the cadmium telluride nanoparticle core by introducing a large concentration of stacking faults

Item Type:Article
Subjects:Physical Science > Nanophysics
Physical Science > Nano objects
Material Science > Nanochemistry
Material Science > Nanostructured materials
Divisions:Faculty of Engineering, Science and Mathematics > School of Physics
Faculty of Engineering, Science and Mathematics > School of Chemistry
ID Code:5082
Deposited By:JNCASR
Deposited On:27 May 2009 10:14
Last Modified:27 May 2009 10:14

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