Banerjee, Shilpi ; Hajra, Partha ; Bhaumik, Asim ; Chakravorty, Dipankar (2012) Giant magnetocapacitance effect in nickel zinc ferrite impregnated mesoporous silica Materials Letters, 79 . pp. 65-68. ISSN 0167-577X
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Official URL: http://www.sciencedirect.com/science/article/pii/S...
Related URL: http://dx.doi.org/10.1016/j.matlet.2012.03.076
Abstract
Mesoporous silica with a pore diameter of around 5 nm was synthesized by a solution technique. Nickel zinc ferrite (NZF) phase was grown within these nanochannels. The dielectric permittivity showed dispersion as a function of frequency characteristic of a Maxwell–Wagner capacitor. The nanocomposite exhibited a large magneto-capacitance coefficient of 44% at room temperature at an applied magnetic field of 1.5 T. The dielectric loss of the nanocomposite was fairly low (~ 0.01). The present strategy of composite synthesis will lead to the preparation of materials having large values of magneto-capacitive coefficients for device applications.
| Item Type: | Article |
|---|---|
| Source: | Copyright of this article belongs to Materials Research Society. |
| Keywords: | Nanocomposites; Porous Materials |
| ID Code: | 96492 |
| Deposited On: | 21 Dec 2012 10:06 |
| Last Modified: | 21 Dec 2012 10:06 |
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