A 1D Analysis of Nano Multiferroic Composites for the Novel Read Head Technology

Salinee Choowitsakunlert; Thanatcha Satitchantrakul; Rardchawadee Silapunt

doi:10.4028/www.scientific.net/AMR.1052.149

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A 1D Analysis of Nano Multiferroic Composites for the Novel Read Head Technology
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HomeAdvanced Materials ResearchAdvanced Materials Research Vol. 1052A 1D Analysis of Nano Multiferroic Composites for...

A 1D Analysis of Nano Multiferroic Composites for the Novel Read Head Technology

Abstract:

The magnetoelectric (ME) effect induced in a multiferroic composite is potentially a key to improve the performance of the nanoread head in the future magnetic recording device. In this paper, the analysis of the 1-dimensional (1D) L-T mode model containing sandwiched structures of Terfenol-D/Lead zirconate titanate (PZT)/Terfenol-D nanomultiferroic composites is performed. The magnetostriction process is described using the 1D standard square law. The magnetoelectric coupling is then investigated. The piezoelectric response on the applied dc magnetic field and PZT to Terfenol-D thickness (t_p:t_m) ratio, is determined. The optimal electric field and potential across the PZT layer are achieved at 1.3:1 thickness ratio. The result agrees well with the associated magnetic field-induced strain profile. The peak ME coefficient is found at 1.37:1 thickness ratio.

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Periodical:

Advanced Materials Research (Volume 1052)

Pages:

149-154

DOI:

https://doi.org/10.4028/www.scientific.net/AMR.1052.149

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Online since:

October 2014

Authors:

Salinee Choowitsakunlert*, Thanatcha Satitchantrakul, Rardchawadee Silapunt

Keywords:

Magnetoelectric Coefficient, Magnetostrictive, Multiferroic Composite, Read Sensor

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