From the 1 of 514 papers with an AI index.
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7 papers · 1 filter
Two-Dimensional Confinement of 3d1 Electrons in LaTiO3/LaAlO3 Multilayers
S. S. A. Seo, M. J. Han, G. W. J. Hassink +12
We report spectroscopic ellipsometry measurements of the anisotropy of the interband transitions parallel and perpendicular to the planes of (LaTiO3)n(LaAlO3)5 multilayers with n =…
Electric-field-controlled directional growth of ferroelectric domains in multiferroic BiFeO3 films
T. H. Kim, S. -H. Baek, S. M. Yang +7
We describe the directional growth of ferroelectric domains in a multiferroic BiFeO3 thin film, which was grown epitaxially on a vicinal (001) SrTiO3 substrate. A detailed structur…
Effects of oxygen-reducing atmosphere annealing on LaMnO epitaxial thin films
W S Choi, Z Marton, S Y Jang +8
We investigated the effects of annealing on LaMnO epitaxial thin films grown by pulsed laser deposition and propose an efficient method of characterizing their stoichiometry. S…
Dynamical electron transport through a nanoelectromechanical wire in a magnetic field
Hangmo Yi, Kang-Hun Ahn
We investigate dynamical transport properties of interacting electrons moving in a vibrating nanoelectromechanical wire in a magnetic field. We have built an exactly solvable model…
Dimensional crossover of polaron dynamics in Nb:SrTiO3/SrTiO3 superlattices: Possible mechanism of thermopower enhancement
Woo Seok Choi, Hiromichi Ohta, Soon Jae Moon +2
Using optical spectroscopy, we investigated the electrodynamic properties of Nb:SrTiO3/SrTiO3 superlattices. In these superlattices, a large enhancement of the Seebeck coefficient…
De-Sitter nonlinear sigma model and accelerating universe
Joohan Lee, Tae Hoon Lee, Taeyoon Moon +1
We consider a cosmology with a non-compact nonlinear sigma model.The target space is of de-Sitter type and four scalar fields are introduced.The potential is absent but cosmologica…