96 citations · 439 across the 11 of their papers we have counts for
11 papers
Epitaxial stabilization of metastable 3C BaRuO3 thin film with ferromagnetic non-Fermi liquid phase
Sang A Lee, Jong Mok Ok, Jegon Lee +8
Thin films of perovskite Ruthenates of the general formula ARuO3 (A = Ca and Sr) are versatile electrical conductors for viable oxide electronics. They are also scientifically intr…
Atomic structure of initial nucleation layer in hexagonal perovskite BaRuO thin films
Sangmoon Yoon, Jong Mok Ok, Sang A Lee +4
Hexagonal perovskites are an attractive group of materials due to their various polymorph phases and rich structure-property relationships. BaRuO3 (BRO) is a prototypical hexagonal…
Ferroelectric polarization rotation in order-disorder-type LiNbO3 thin films
Tae Sup Yoo, Sang A Lee, Changjae Roh +16
The direction of ferroelectric polarization is prescribed by the symmetry of the crystal structure. Therefore, rotation of the polarization direction is largely limited, despite th…
Enhanced magnetic and thermoelectric properties in epitaxial polycrystalline SrRuO3 thin film
Sungmin Woo, Sang A Lee, Hyeona Mun +11
Transition metal oxide thin films show versatile electrical, magnetic, and thermal properties which can be tailored by deliberately introducing macroscopic grain boundaries via pol…
Ex-situ atomic force microscopy on the growth mode of SrRuO3 epitaxial thin film
Bora Kim, Sang A Lee, Daehee Seol +2
The functional properties of devices based on perovskite oxides depend strongly on the growth modes that dramatically affect surface morphology and microstructure of the hetero-str…
Tuning electromagnetic properties of SrRuO3 epitaxial thin films via atomic control of cation vacancies
Sang A Lee, Seokjae Oh, Jegon Lee +9
Elemental defects in transition metal oxides is an important and intriguing subject that result in modifications in variety of physical properties including atomic and electronic s…
Enhanced electrocatalytic activity via phase transitions in strongly correlated SrRuO3 thin films
Sang A Lee, Seokjae Oh, Jae-Yeol Hwang +12
Transition metal oxides have been extensively studied and utilized as efficient catalysts. However, the strongly correlated behavior which often results in intriguing emergent phen…
Highly oriented SrTiO3 thin film on graphene substrate
Sang A Lee, Jae-Yeol Hwang, Eun Sung Kim +2
Growth of perovskite oxide thin films on Si in crystalline form has long been a critical obstacle for the integration of multifunctional oxides into Si-based technologies. In this…
Phase transitions via selective elemental vacancy engineering in complex oxide thin films
Sang A Lee, Hoidong Jeong, Sungmin Woo +9
Defect engineering has brought about a unique level of control for Si-based semiconductors, leading to the optimization of various opto-electronic properties and devices. With rega…
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…
Surface properties of atomically flat poly-crystalline SrTiO3
Sungmin Woo, Hoidong Jeong, Sang A Lee +7
Comparison between single- and the poly-crystalline structures provides essential information on the role of long-range translational symmetry and grain boundaries. In particular,…