Lamani, Ashok R. and Jayanna, H. S. and Parameswara, P. and Somashekar, R. and Ramachander and Rao, R. and Prasanna, G. D. (2011) Dielectric properties of polycrystalline Cu-Zn ferrites at microwave frequencies. JOURNAL OF ALLOYS AND COMPOUNDS, 509 (18). pp. 5692-5695.
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The real dielectric constant epsilon `' and complex dielectric constant epsilon `' of Cu(1-x)Zn(x)Fe(2)O(4) have been measured at room temperature in the high frequency range 1MHz to 1.8 GHz. At low frequencies the dielectric loss is found to be constant up to 1.4GHz and there is a sudden rise at 1.5 GHz. A qualitative explanation is given for the composition, frequency dependence of the dielectric constant and dielectric loss of Cu(1-x)Zn(x) Fe(2)O(4). These are correlated with the W-H plot which gives the information about change in the average crystal size and strain of the samples. The micro-morphological features of the samples were obtained by Scanning Electron Microscopy (SEM). The micrograph shows that the increase of the Zn content in Cu ferrite increases the grain size. (C) 2011 Elsevier B.V. All rights reserved.
| Item Type: | Article |
|---|---|
| Uncontrolled Keywords: | Semiconductor; Sintering; Solid state reaction; Dielectric response; Microstructure; Strain |
| Subjects: | D Physical Science > Physics |
| Divisions: | Department of > Physics |
| Depositing User: | Users 23 not found. |
| Date Deposited: | 15 Jul 2019 06:04 |
| Last Modified: | 15 Jul 2019 06:04 |
| URI: | http://eprints.uni-mysore.ac.in/id/eprint/2496 |
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