45 citations · 119 across the 4 of their papers we have counts for
5 papers
Atomic-scale visualization of initial growth of homoepitaxial SrTiO3 thin film on an atomically ordered substrate
Ryota Shimizu, Katsuya Iwaya, Takeo Ohsawa +4
The initial homoepitaxial growth of SrTiO3 on a (\surd13\times\surd13) - R33.7°SrTiO3(001) substrate surface, which can be prepared under oxide growth conditions, is atomically res…
Stripe charge ordering in SrO-terminated SrTiO3(001) surfaces
Katsuya Iwaya, Ryota Shimizu, Takeo Ohsawa +2
The local electronic structure of the SrO-terminated SrTiO3(001) surface was explored using scanning tunneling microscopy. At low bias voltages in the empty states, a unidirectiona…
Thickness-dependent Local Surface Electronic Structures of Homoepitaxial SrTiO3 Thin Films
Takeo Ohsawa, Katsuya Iwaya, Ryota Shimizu +2
We have investigated the atomically-resolved substrate and homoepitaxial thin film surfaces of SrTiO3(001) using low-temperature scanning tunneling microscopy/spectroscopy (STM/STS…
Atomically Resolved Surface Structure of SrTiO3(001) Thin Films Grown in Step-Flow Mode by Pulsed Laser Deposition
Katsuya Iwaya, Takeo Ohsawa, Ryota Shimizu +2
The surface structure of SrTiO3(001) thin films homoepitaxially grown by PLD in step-flow mode was characterized using low temperature STM. It was found that one-dimensional (1D) T…
Ferromagnetism in a Hubbard model for an atomic quantum wire: a realization of flat-band magnetism from even-membered rings
R. Arita, K. Kuroki, H. Aoki +6
We have examined a Hubbard model on a chain of squares, which was proposed by Yajima et al as a model of an atomic quantum wire As/Si(100), to show that the flat-band ferromagnetis…