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Utilizing alternate target deposition to increase the magnetoelectric effect at room temperature in a single phase M-type hexaferrite

Published online by Cambridge University Press:  27 June 2017

Hessam Izadkhah Open the ORCID record for Hessam Izadkhah [Opens in a new window] ,
Saba Zare ,
Sivasubramanian Somu ,
Fabrizio Lombardi  and
Carmine Vittoria
Hessam Izadkhah*
Affiliation:
Microwave Material Laboratory of Northeastern University, Boston, MA 02115, USA Department of Electrical and Computer Engineering, Northeastern University, Boston, MA 02115, USA
Saba Zare
Affiliation:
Microwave Material Laboratory of Northeastern University, Boston, MA 02115, USA Department of Electrical and Computer Engineering, Northeastern University, Boston, MA 02115, USA
Sivasubramanian Somu
Affiliation:
Kostas Micro and Nano Fabrication Facility, Northeastern University, Boston, MA 02115, USA
Fabrizio Lombardi
Affiliation:
Department of Electrical and Computer Engineering, Northeastern University, Boston, MA 02115, USA
Carmine Vittoria
Affiliation:
Microwave Material Laboratory of Northeastern University, Boston, MA 02115, USA Department of Electrical and Computer Engineering, Northeastern University, Boston, MA 02115, USA
*
Address all correspondence to Hessam Izadkhah at izdkhah.h@husky.neu.edu
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Abstract

The Magnetoelectric (ME) effect has been observed in single phase hexaferrite bulk and thin films of SrCo2Ti2Fe8O19. In this paper we demonstrate that the ME linear coupling depends strongly on the Co ion concentration relative to the Ti ion concentration exhibiting extremum points at a concentration consistent with above formula. The Alternating Target Laser Ablation Deposition technique was utilized to deposit ME hexaferrite films for the first time. This allows for the deposition of transition metal ions at specific sites in the basic unit cell of the hexaferrite.

Type
Functional Oxides Research Letter
Information
MRS Communications , Volume 7 , Issue 2 , June 2017 , pp. 97 - 101
Copyright
Copyright © Materials Research Society 2017 

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