96 citations · 503 across the 22 of their papers we have counts for
22 papers
Giant Magnetization Enhancement at Ultrathin Limit of an Orthoferrite
Jin Young Oh, Yaolong Xing, Seung Gyo Jeong +18
Low-dimensional magnetic systems have received significant interest due to their high scalability and energy efficiency for future electromagnetic applications. However, low-dimens…
Dimensionality Engineering of Magnetic Anisotropy from Anomalous Hall Effect in Synthetic SrRuO3 Crystals
Seung Gyo Jeong, Seong Won Cho, Sehwan Song +12
Magnetic anisotropy in atomically thin correlated heterostructures is essential for exploring quantum magnetic phases for next-generation spintronics. Whereas previous studies have…
Electrically Tunable Spin Exchange Splitting in Graphene Hybrid Heterostructure
Dongwon Shin, Hyeonbeom Kim, Sung Ju Hong +6
Graphene, with spin and valley degrees of freedom, fosters unexpected physical and chemical properties for the realization of next-generation quantum devices. However, the spin sym…
Tunable electron scattering mechanism in plasmonic SrMoO thin films
Rahma Dhani Prasetiyawati, Seung Gyo Jeong, Chan-Koo Park +4
4d transition metal perovskite oxides serve as suitable testbeds for the study of strongly correlated metallic properties. Among these, (SMO) exhibits remarkable electr…
Exotic magnetic anisotropy near digitized dimensional Mott boundary
Seung Gyo Jeong, Jihyun Kim, Taewon Min +8
The magnetic anisotropy of low-dimensional Mott systems exhibits unexpected magnetotransport behavior useful for spin-based quantum electronics. Yet, the anisotropy of natural mate…
Optical detection of bond-dependent and frustrated spin in the two-dimensional cobalt-based honeycomb antiferromagnet Cu3Co2SbO6
Baekjune Kang, Uksam Choi, Taek Sun Jung +18
Two-dimensional honeycomb antiferromagnet becomes an important class of materials as it can provide a route to Kitaev quantum spin liquid, characterized by massive quantum entangle…
Atomic-scale Modulation of Synthetic Magnetic Order in Oxide Superlattices
Seung Gyo Jeong, Sehwan Song, Sungkyun Park +2
Atomic-scale precision control of magnetic interactions facilitates a synthetic spin order useful for spintronics, including advanced memory and quantum logic devices. Conventional…
Honeycomb oxide heterostructure: a new platform for Kitaev quantum spin liquid
Baekjune Kang, Miju Park, Sehwan Song +11
Kitaev quantum spin liquid, massively quantum entangled states, is so scarce in nature that searching for new candidate systems remains a great challenge. Honeycomb heterostructure…
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…
Preparation of large Cu3Sn single crystal by Czochralski method
Minsik Kong, Sang-Eon Park, Hye Jung Kim +13
Cu3Sn was recently predicted to host topological Dirac fermions, but related research is still in its infancy. The growth of large and high-quality Cu3Sn single crystals is, theref…
Unconventional interlayer exchange coupling via chiral phonons in synthetic magnetic oxide heterostructures
Seung Gyo Jeong, Jiwoong Kim, Ambrose Seo +7
Chiral symmetry breaking of phonons plays an essential role in emergent quantum phenomena owing to its strong coupling to spin degree of freedom. However, direct experimental evide…
Defect engineering of magnetic ground state in EuTiO epitaxial thin films
Dongwon Shin, Inseo Kim, Sehwan Song +5
Atomistic defect engineering through the pulsed laser epitaxy of perovskite transition metal oxides offers facile control of their emergent opto-electromagnetic and energy properti…
Tailoring topological Hall effect in SrRuO3/SrTiO3 superlattices
Seong Won Cho, Seung Gyo Jeong, Hee Young Kwon +7
Investigating the effects of the complex magnetic interactions on the formation of nontrivial magnetic phases enables a better understanding of magnetic materials. Moreover, an eff…
Thermal transport properties and some hydrodynamic-like behavior in 3D topological semimetal ZrTe5
Chang-woo Cho, Peipei Wang, Fangdong Tang +6
Hydrodynamic fluidity in condensed matter physics has been experimentally demonstrated only in a limited number of compounds due to the stringent conditions that must be met. Herei…
Propagation control of octahedral tilt in SrRuO3 via artificial heterostructuring
Seung Gyo Jeong, Gyeongtak Han, Sehwan Song +8
Bonding geometry engineering of metal-oxygen octahedra is a facile way of tailoring various functional properties of transition metal oxides. Several approaches, including epitaxia…
Phase Instability amid Dimensional Crossover in Artificial Oxide Crystal
Seung Gyo Jeong, Taewon Min, Sungmin Woo +13
Artificial crystals synthesized by atomic-scale epitaxy provides the ability to control the dimensions of the quantum phases and associated phase transitions via precise thickness…
Room Temperature Ferroelectric Ferromagnet in 1D Tetrahedral Chain Network
Kyeong Tae Kang, Chang Jae Roh, Jinyoung Lim +17
Ferroelectricity occurs in crystals with broken spatial inversion symmetry. In conventional perovskite oxides, concerted ionic displacements within a three-dimensional network of t…
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…
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…
Growth control of the oxidation state in vanadium oxide thin films
Shinbuhm Lee, Tricia L. Meyer, Sungkyun Park +2
Precise control of the chemical valence or oxidation state of vanadium in vanadium oxide thin films is highly desirable for not only fundamental research, but also technological ap…
The effects of the carrier interaction and electric fields on subband structures of selectively--doped semiconductor quantum wells
Sung--Kyun Park, Kyung--Soo Yi
We investigate the ground--state electronic properties of the symmetrically-- doped semiconductor quantum well in the presence of a homogeneous electric field. In this paper we exa…