Magnetic microscopy and simulation of strain-mediated control of magnetization in Ni/PMN-PT nanostructures

Strain-mediated thin film multiferroics comprising piezoelectric/ferromagnetic heterostructures enable the electrical manipulation of magnetization with much greater efficiency than other methods; however, the investigation of nanostructures fabricated from these materials is limited. Here we charac...

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Veröffentlicht in:Applied physics letters. - 1998. - 109(2016), 16 vom: 09. Okt.
1. Verfasser: Gilbert, Ian (VerfasserIn)
Weitere Verfasser: Chavez, Andres C, Pierce, Daniel T, Unguris, John, Sun, Wei-Yang, Liang, Cheng-Yen, Carman, Gregory P
Format: Online-Aufsatz
Sprache:English
Veröffentlicht: 2016
Zugriff auf das übergeordnete Werk:Applied physics letters
Schlagworte:Journal Article
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245 1 0 |a Magnetic microscopy and simulation of strain-mediated control of magnetization in Ni/PMN-PT nanostructures 
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520 |a Strain-mediated thin film multiferroics comprising piezoelectric/ferromagnetic heterostructures enable the electrical manipulation of magnetization with much greater efficiency than other methods; however, the investigation of nanostructures fabricated from these materials is limited. Here we characterize ferromagnetic Ni nanostructures grown on a ferroelectric PMN-PT substrate using scanning electron microscopy with polarization analysis (SEMPA) and micromagnetic simulations. The magnetization of the Ni nanostructures can be controlled with a combination of sample geometry and applied electric field, which strains the ferroelectric substrate and changes the magnetization via magnetoelastic coupling. We evaluate two types of simulations of ferromagnetic nanostructures on strained ferroelectric substrates: conventional micromagnetic simulations including a simple uniaxial strain, and coupled micromagnetic-elastodynamic simulations. Both simulations qualitatively capture the response of the magnetization changes produced by the applied strain, with the coupled solution providing more accurate representation 
650 4 |a Journal Article 
700 1 |a Chavez, Andres C  |e verfasserin  |4 aut 
700 1 |a Pierce, Daniel T  |e verfasserin  |4 aut 
700 1 |a Unguris, John  |e verfasserin  |4 aut 
700 1 |a Sun, Wei-Yang  |e verfasserin  |4 aut 
700 1 |a Liang, Cheng-Yen  |e verfasserin  |4 aut 
700 1 |a Carman, Gregory P  |e verfasserin  |4 aut 
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