Maite García-Hernández

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We study the origin of the magnetoelectric coupling in manganite films on ferroelectric substrates. We find large magnetoelectric coupling in La0.7Ca0.3MnO3/BaTiO3 ultra-thin films in experiments based on the converse magnetoelectric effect. The magnetization changes by around 30-40% upon applying electric fields on the order of 1 kV/cm to the BaTiO3(More)
We investigate static magnetization as a function of a magnetic field during nucleation of the magnetic vortex state in Py dots with diameter of 1000nm and with four different thicknesses varying between 15 and 50 nm. For the 50nm thick Py dots we observe direct nucleation of the single vortex state from the saturated state, while the dots with thickness(More)
A two-component relativistic density functional method based on the Douglas-Kroll-Hess transformation has been applied to the actinyls and hexafluorides of U and Np. All-electron scalar relativistic calculations as well as calculations including spin-orbit interaction have been compared to results obtained with a pseudopotential approach. In addition,(More)
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