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Start Over Author "Oren, D. A." Journal applied physics letters
2 results on '"Oren, D. A."'

2. Magneto-elastic tuning of ferroelectricity within a magnetoelectric nanowire

Author

Peter Finkel, Jonathan E. Spanier, Stephen S. Nonnenmann, Oren D. Leaffer, Konrad Bussmann, and Stephanie H. Johnson

Subjects
Coupling, Condensed Matter::Materials Science, Materials science, Physics and Astronomy (miscellaneous), Condensed matter physics, Nanowire, Magnetostriction, Coercivity, Ferroelectricity, Piezoelectricity, Magnetic field, Stress concentration
Abstract

Nanowires each consisting of a magnetostrictive Co core and a PbZr0.52Ti0.48O3 or BiFeO3 ferroelectric oxide shell exhibit a magnetic field-tunable piezoelectric response and ferroelectric coercivity owing to magneto-elastic coupling through the interfacial core-shell boundary. The observed magneto-elastic tuning of the ferroelectric switching is analyzed using a renormalized Landau-Ginzburg stiffness in which a magnetic field-tunable stress concentration is incorporated. These results provide insight into the design of integrated functional devices and magnetoelectric sensors.

Published
2011

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