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Anomalous dielectric response at intermixed oxide heterointerfaces
Valentino R. Cooper, Houlong L. Zhuang, Lipeng Zhang +3
Two-dimensional charge carrier accumulation at oxide heterointerfaces presents a paradigm shift for oxide electronics. Like a capacitor, interfacial charge buildup couples to an el…
Oxygen vacancy formation energies in PbTiO/SrTiO superlattice
Lipeng Zhang, Isaac Bredeson, Axiel Yaël Birenbaum +4
The defect stability in a prototypical perovskite oxide superlattice consisting of SrTiO and PbTiO (STO/PTO) is determined using first principles density functional theory…
Intrinsic interfacial van der Waals monolayers and their effect on the high-temperature superconductor FeSe/SrTiO
Hunter Sims, Donovan N. Leonard, Axiel Yaël Birenbaum +6
The sensitive dependence of monolayer materials on their environment often gives rise to unexpected properties. It was recently demonstrated that monolayer FeSe on a SrTiO subs…