48 citations · 59 across the 2 of their papers we have counts for
4 papers
Direct visualization and control of SrOx segregation on semiconducting Nb doped SrTiO3 (100) surface
Hyang Keun Yoo, Daniel Schwarz, Soren Ulstrup +6
We investigated how SrOx segregates on a Nb doped SrTiO3 (100) surface by in air annealing. Using atomic force and photoemission electron microscopes, we can directly visualize the…
In situ investigation of conducting interface formation in LaAlO3/SrTiO3 heterostructure
Hyang Keun Yoo, Luca Moreschini, Aaron Bostwick +4
The high-mobility conducting interface (CI) between LaAlO_{3}(LAO) and SrTiO_{3}(STO) has revealed many fascinating phenomena, including exotic magnetism and superconductivity. But…
Enhanced tunability of two-dimensional electron gas on SrTiO3 through heterostructuring
Hyang Keun Yoo, Luca Moreschini, Andrew L. Walter +4
Two-dimensional electron gases (2DEGs) on the SrTiO3 (STO) surface or in STO-based heterostructures have exhibited many intriguing phenomena, which are strongly dependent on the 2D…
Polaron transport and thermoelectric behavior in La-doped SrTiO3 thin films with elemental vacancies
Woo Seok Choi, Hyang Keun Yoo, Hiromichi Ohta
Electrodynamic properties of La-doped SrTiO3 thin films with controlled elemental vacancies have been investigated using optical spectroscopy and thermopower measurement. In partic…