The influence of in-plane ferroelectric crystal orientation on electrical modulation of magnetic properties in Co 60Fe 20B 20/SiO 2/(011) xPb(Mg 1/3Nb 2/3)O 3-(1 - X)PbTiO 3 heterostructures

Guodong Zhu, Kin L. Wong, J. Zhao, Pedram K. Amiri, Kang L. Wang, J. Hockel, Gregory P. Carman, J. Zhu, I. Krivorotov

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4 Citations (Scopus)

Abstract

(011) cut xPb(Mg 1/3Nb 2/3)O 3-(1 - x)PbTiO 3 (PMN-PT) ferroelectric crystal is usually used in ferroelectric/ferromagnetic (FE/FM) heterostructures due to its strong voltage-induced anisotropic in-plane strain. (011) PMN-PT crystal includes two in-plane crystal orientations, 100 and 01 - 1, with different piezoelectric strength resulting in anisotropic in-plane strain. Few systematic studies have been conducted to determine the influence of in-plane orientation on magnetoelectric (ME) coupling characteristic in ferroelectric/ferromagnetic composites. In this paper, we report our work to distinguish the contributions of in-plane orientations on electric modulation of magnetic properties. Magneto-optical Kerr effect and propagating spin wave spectroscopy are measured to define the influence of in-plane orientations on electric control of magnetic parameters and spin wave propagation. Magnetoelectric coupling coefficients and frequency modulation coefficients are also calculated.

Original languageEnglish
Article number033916
JournalJournal of Applied Physics
Volume112
Issue number3
DOIs
Publication statusPublished - 2012 Aug

All Science Journal Classification (ASJC) codes

  • Physics and Astronomy(all)

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