Basu, S. ; Gopalan, V. ; Jain, H. ; Chakravorty, D. (2008) Development of optical nonlinearity, high dielectric constant and ferromagnetic behavior in a silicate glass nanocomposite by suitable heat treatment Journal of Non-Crystalline Solids, 354 (28). pp. 3278-3283. ISSN 0022-3093
Full text not available from this repository.
Official URL: http://linkinghub.elsevier.com/retrieve/pii/S00223...
Related URL: http://dx.doi.org/10.1016/j.jnoncrysol.2008.02.015
Abstract
We have explored the development of multifunctionalities viz, optical nonlinearity, high dielectric constant and ferromagnetic behavior in a nanostructured silica based glass of 14.0Na2O, 26.0BaO, 26.0TiO2, 16.0B2O3, 17.0SiO2, 1.0NiO (mol%) composition. A heat treatment at 863 K for 4 h led to nonlinear refractive index and absorption coefficients at wavelength 800 nm of 0.11 × 10-19 m2/W and 1.15 × 10-3 cm/GW, respectively. A heat treatment at 1073 K for 2 h followed by 1113 K for 3 h increased the dielectric constant from 11 to 50, apparently due to the formation of nanocrystals of BaTiO3 within the glass medium. Glass samples reduced at 923 K for 1 h exhibited ferromagnetic behavior due to the presence of nickel nanoparticles.
| Item Type: | Article |
|---|---|
| Source: | Copyright of this article belongs to Elsevier Science. |
| Keywords: | Magnetic Properties; Nano-composites; Nonlinear Optics; Silicates |
| ID Code: | 7447 |
| Deposited On: | 25 Oct 2010 11:30 |
| Last Modified: | 28 May 2011 04:29 |
Repository Staff Only: item control page
