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Role of temperature-dependent electron trapping dynamics in the optically driven nanodomain transformation in a PbTiO/SrTiO superlattice
Joonkyu Park, Youngjun Ahn, Jack A. Tilka +6
The spontaneously formed striped polarization nanodomain configuration of a PbTiO/SrTiO superlattice transforms to a uniform polarization state under above-bandgap illu…
Role of ferroelectric polarization during growth of highly strained ferroelectrics revealed by in-situ x-ray diffraction
Rui Liu, Jeffrey G. Ulbrandt, Hsiang-Chun Hsing +11
Strain engineering of perovskite oxide thin films has proven to be an extremely powerful method for enhancing and inducing ferroelectric behavior. In ferroelectric thin films and s…
Homoepitaxial growth of SrTiO by Pulsed Laser Deposition: energetic vs thermal growth
Jeffrey G. Ulbrandt, Xiaozhi Zhang, Rui Liu +3
Pulsed Laser Deposition (PLD) is widely used to grow epitaxial thin films of quantum materials such as complex oxides. Here, we use in-situ X-ray scattering to study homoepitaxy of…
Dirac Fermion Quantum Hall Antidot in Graphene
Scott Mills, Anna Gura, Kenji Watanabe +4
The ability to localize and manipulate individual quasiparticles in mesoscopic structures is critical in experimental studies of quantum mechanics and thermodynamics, and in potent…