251 citations · 583 across the 10 of their papers we have counts for
10 papers
Signatures of symmetry-stabilized Dirac fermions in correlated oxide CaNbO3 thin films
Yunkyu Park, Seoung-Hun Kang, Jeongkeun Song +11
Symmetry-protected electronic states in correlated oxides offer a route to combining topology, lattice tunability, and many-body interactions, but creating such topological electro…
Optically Induced Picosecond Lattice Compression in the Dielectric Component of a Strongly Coupled Ferroelectric/Dielectric Superlattice
Deepankar Sri Gyan, Hyeon Jun Lee, Youngjun Ahn +13
Above-bandgap femtosecond optical excitation of a ferroelectric/dielectric BaTiO3/CaTiO3 superlattice leads to structural responses that are a consequence of the screening of the s…
Tunable Ferromagnetism in LaCoO3 Epitaxial Thin Films
Dongwon Shin, Sangmoon Yoon, Sehwan Song +3
Ferromagnetic insulators play a crucial role in the development of low-dissipation quantum magnetic devices for spintronics. Epitaxial LaCoO3 thin film is a prominent ferromagnetic…
Room-temperature ferromagnetic insulating state in highly cation-ordered epitaxial oxide double perovskite
Changhee Sohn, Elizabeth Skoropata, Yongseong Choi +9
Ferromagnetic insulators (FMIs) are one of the most important components in developing dissipationless electronic and spintronic devices. However, since ferromagnetism generally ac…
Strain Control of Oxygen Vacancies in Epitaxial Strontium Cobaltite Films
Jonathan R. Petrie, Chandrima Mitra, Hyoungjeen Jeen +6
The ability to manipulate oxygen anion defects rather than metal cations in complex oxides can facilitate creating new functionalities critical for emerging energy and device techn…
Symmetry-driven atomic rearrangement at a brownmillerite-perovskite interface
Tricia L. Meyer, Hyoungjeen Jeen, Xiang Gao +3
Many of the recent advancements in oxide heterostructures have been attributed to modification of spin, charge, lattice, and orbital order parameters at atomically well-defined int…
Resonant tunneling in a quantum oxide superlattice
Woo Seok Choi, Sang A. Lee, Jeong Ho You +2
Resonant tunnelling is a quantum mechanical process that has long been attracting both scientific and technological attention owing to its intriguing underlying physics and unique…
Thermopower enhancement by fractional layer control in 2D oxide superlattices
Woo Seok Choi, Hiromichi Ohta, Ho Nyung Lee
We have investigated two-dimensional thermoelectric properties in transition metal oxide heterostructures. In particular, we adopted an unprecedented approach to direct tuning of t…
Orienting oxygen vacancies for fast catalytic reaction
Hyoungjeen Jeen, Zhonghe Bi, Woo Seok Choi +4
Catalysis is indispensable to chemical processes and relevant to many aspects of modern life. Owing to the intriguing electronic structures and good ionic properties, multivalent t…
Atomic layer engineering of perovskite oxides for chemically sharp heterointerfaces
Woo Seok Choi, Christopher M. Rouleau, Sung Seok A. Seo +10
Advances in synthesis techniques and materials understanding have given rise to oxide heterostructures with intriguing physical phenomena that cannot be found in their constituents…