Journal
JOURNAL OF PHYSICS D-APPLIED PHYSICS
Volume 43, Issue 15, Pages -Publisher
IOP PUBLISHING LTD
DOI: 10.1088/0022-3727/43/15/155001
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Funding
- Directorate For Engineering
- Div Of Electrical, Commun & Cyber Sys [925808] Funding Source: National Science Foundation
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An electric field tunable magnetic hysteresis loop was studied in a multiferroic heterostructure consisting of a 25 mu m thick Metglas (R) ribbon affixed to a lead magnesium niobate-lead titanate (PMN-PT) crystal. This multiferroic heterostructure exhibits a considerably strong converse magnetoelectric effect, CME = -80%, where CME = [M(E) - M(0)]/M(0), and a converse magnetoelectric coupling constant, A = 23 Oe cm kV(-1), in the vicinity of the saturation electric polarization. This work systematically demonstrates the tunability of magnetic parameters including magnetization, coercivity, remanence and squareness, under the application of an electric field of 0-8 kV cm(-1). Additionally, the physical mechanism of the CME is discussed. These results provide useful resources for the design of a new generation of electrically controlled devices.
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