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Interface effects at a half-metal/ferroelectric junction
Kunihiko Yamauchi, Biplab Sanyal, Silvia Picozzi
Magnetoelectric effects are investigated ab-initio at the interface between half-metallic and ferroelectric prototypes: Heusler CoMnSi and perovskite BaTiO. For the Co-term…
Positions of Point-Nodes in Borocarbide Superconductor YNi2B2C
Yuki Nagai, Yusuke Kato, Nobuhiko Hayashi +2
To determine the superconducting gap function of YNi2B2C, we calculate the local density of states (LDOS) around a single vortex core with the use of Eilenberger theory and the ban…
Dual nature of improper ferroelectricity in a magnetoelectric multiferroic
Silvia Picozzi, Kunihiko Yamauchi, Biplab Sanyal +2
Using first principles calculations, we study the microscopic origin of ferroelectricity (FE) induced by magnetic order in the orthorhombic HoMnO3. We obtain the largest ferroelect…