Magnetodielectric effect in nickel nanosheet-Na-4 mica composites

Mitra, Sreemanta ; Mandal, Amrita ; Datta, Anindya ; Banerjee, Sourish ; Chakravorty, Dipankar (2010) Magnetodielectric effect in nickel nanosheet-Na-4 mica composites EPL: Europhysics Letters, 92 (2). 26003_1-26003_5. ISSN 0295-5075

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Official URL: http://iopscience.iop.org/0295-5075/92/2/26003

Related URL: http://dx.doi.org/10.1209/0295-5075/92/26003

Abstract

Nickel nanosheets of thickness 0.6 nm were grown within the nanochannels of Na-4 mica template. The specimens show magnetodielectric effect at room temperature with a change of dielectric constant as a function of magnetic field, the electric field frequency varying from 100 to 700 kHz. A decrease of 5% in the value of the dielectric constant was observed up to a field of 1.2 T. This is explained by an inhomogeneous two-component composite model as theoretically proposed recently. The present approach will open up synthesis of various nanocomposites for sensor applications.

Item Type:Article
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ID Code:65692
Deposited On:17 Oct 2011 10:39
Last Modified:17 Oct 2011 10:39

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