This paper presents a study of the effect of antiferromagnetic (AFM) integration on the nano AFM-pinned multiferroic (MF) composites structure. The nano MF composites structure is a potential candidate for a future magnetic read head. The simulation of the AFM/ferromagnetic (FM) bilayers characteristics and the evaluation of the magnetoelectric (ME) effect induced in the 1-dimensional (1D) L-T mode model of AFM-pinned structure of AFM/FM/Ferroelectric (FE)/FM/AFM are performed. FM, FE, and two types of AFM materials are Terfenol-D, lead zirconate titanate (PZT), and PtMn and Cr2O3, respectively. The magnetoelectric (ME) effect is investigated using the 1D standard square law. Magnetic-field induced strain in the FM layer, piezoelectric response of the PZT layer, and the ME coefficient are determined. Specifically, the influence of AFM on the MF composites structure for various AFM thicknesses is of interest. It is found that the maximum electric field and potential across the PZT layer are achieved at 2.7 nm thick of PtMn. The result is well agreed by associated magnetic field-induced strain and ME coefficient.
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ASME 2016 Conference on Information Storage and Processing Systems
June 20–21, 2016
Santa Clara, California, USA
Conference Sponsors:
- Information Storage and Processing Systems Division
ISBN:
978-0-7918-4988-0
PROCEEDINGS PAPER
A Study of Antiferromagnetic-Pinned Multiferroic Composites Nano Read Head
Salinee Choowitsakunlert,
Salinee Choowitsakunlert
King Mongkut’s University of Technology Thonburi, Bangkok, Thailand
Shibaura Institute of Technology, Tokyo, Japan
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Rardchawadee Silapunt,
Rardchawadee Silapunt
King Mongkut’s University of Technology Thonburi, Bangkok, Thailand
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Hideki Yokoi
Hideki Yokoi
Shibaura Institute of Technology, Tokyo, Japan
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Salinee Choowitsakunlert
King Mongkut’s University of Technology Thonburi, Bangkok, Thailand
Shibaura Institute of Technology, Tokyo, Japan
Rardchawadee Silapunt
King Mongkut’s University of Technology Thonburi, Bangkok, Thailand
Hideki Yokoi
Shibaura Institute of Technology, Tokyo, Japan
Paper No:
ISPS2016-9570, V001T09A002; 3 pages
Published Online:
September 23, 2016
Citation
Choowitsakunlert, S, Silapunt, R, & Yokoi, H. "A Study of Antiferromagnetic-Pinned Multiferroic Composites Nano Read Head." Proceedings of the ASME 2016 Conference on Information Storage and Processing Systems. ASME 2016 Conference on Information Storage and Processing Systems. Santa Clara, California, USA. June 20–21, 2016. V001T09A002. ASME. https://doi.org/10.1115/ISPS2016-9570
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