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Takamura, Yayoi
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Publications (4/4 displayed)
- 2024Local strain inhomogeneities during electrical triggering of a metal–insulator transition revealed by X-ray microscopycitations
- 2019Phase transitions and magnetic domain coexistence in Nd0.5Sr0.5MnO3 thin filmscitations
- 2016Giant reversible anisotropy changes at room temperature in a (La,Sr)MnO<sub>3</sub>/Pb(Mg,Nb,Ti)O<sub>3</sub> magneto-electric heterostructurecitations
- 2006Tuning magnetic domain structure in nanoscale La0.7Sr0.3MnO3 islandscitations
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article
Tuning magnetic domain structure in nanoscale La0.7Sr0.3MnO3 islands
Abstract
The realization of spin-based devices requires high density, ordered arrays of magnetic materials with a high degree of spin polarization at surfaces. We have synthesized, for the first time, highly spin polarized complex magnetic oxide nanostructures embedded in a paramagnetic matrix by electron beam lithography and ion implantation. Imaging the magnetic domains with X-ray photoemission electron microscopy and magnetic force microscopy reveals a delicate balance between magnetocrystalline, magnetoelastic, and magnetostatic energies that can be tuned by the choice of SrTiO3 substrate orientation, film thickness, island size, and island shape.