117 citations · 614 across the 16 of their papers we have counts for
16 papers
Machine-learning-assisted analysis of transition metal dichalcogenide thin-film growth
Hyuk Jin Kim, Minsu Chong, Tae Gyu Rhee +6
In situ reflective high-energy electron diffraction (RHEED) is widely used to monitor the surface crystalline state during thin-film growth by molecular beam epitaxy (MBE) and puls…
Reversibly controlled ternary polar states and ferroelectric bias promoted by boosting square-tensile-strain
Jun Han Lee, Nguyen Xuan Duong, Min-Hyoung Jung +23
Interaction between dipoles often emerges intriguing physical phenomena, such as exchange bias in the magnetic heterostructures and magnetoelectric effect in multiferroics, which l…
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…
Single-Crystalline Metallic Films Induced by van der Waals Epitaxy on Black Phosphorus
Yangjin Lee, Han-gyu Kim, Tae Keun Yun +11
The properties of metal-semiconductor junctions are often unpredictable because of non-ideal interfacial structures, such as interfacial defects or chemical reactions introduced at…
Modulating Curie Temperature and Magnetic Anisotropy in Nanoscale Layered Cr_{2}Te_{3} Films: Implications for Room-Temperature Spintronics
In Hak Lee, Byoung Ki Choi, Hyuk Jin Kim +18
Nanoscale layered ferromagnets have demonstrated fascinating two-dimensional magnetism down to atomic layers, providing a peculiar playground of spin orders for investigating funda…
Highly ordered lead-free double perovskite halides by design
Chang Won Ahn, Jae Hun Jo, Jong Chan Kim +11
Lead-free double perovskite halides are emerging optoelectronic materials that are alternatives to lead-based perovskite halides. Recently, single-crystalline double perovskite hal…
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…
Fabrication and Imaging of Monolayer Phosphorene with Preferred Edge Configurations via Graphene-Assisted Layer-by-Layer Thinning
Yangjin Lee, Sol Lee, Jun-Yoeong Yoon +3
Phosphorene, a monolayer of black phosphorus (BP), is an elemental two-dimensional material with interesting physical properties, such as high charge carrier mobility and exotic an…
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…
Negative Fermi-level Pinning Effect of Metal/n-GaAs(001) Junction with Graphene Interlayer
Hoon Hahn Yoon, Wonho Song, Sungchul Jung +6
It is demonstrated that the electric dipole layer due to the overlapping of electron wavefunctions at metal/graphene contact results in negative Fermi-level pinning effect on the r…
Planar and van der Waals heterostructures for vertical tunnelling single electron transistors
Gwangwoo Kim, Sung-Soo Kim, Jonghyuk Jeon +18
Despite a rich choice of two-dimensional materials, which exists these days, heterostructures, both vertical (van der Waals) and in-plane, offer an unprecedented control over the p…
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…
Atomic-scale imaging of few-layer black phosphorus and its reconstructed edge
Yangjin Lee, Jun-Yeong Yoon, Declan Scullion +4
Black phosphorus (BP) has recently emerged as an alternative 2D semiconductor owing to its fascinating electronic properties such as tunable bandgap and high charge carrier mobilit…
Role of interface reaction on resistive switching of Metal/a-TiO2/Al RRAM devices
Hu Young Jeong, Jeong Yong Lee, Sung-Yool Choi
For the clear understanding of the role of interface reaction between top metal electrode and titanium oxide layer, we investigated the effects of various top metals on the resisti…
Bipolar resistive switching characteristics of poly(3,4-ethylene-dioxythiophene): poly(styrenesulfonate) thin film
Hu Young Jeong, Jong Yun Kim, Tae Hyun Yoon +1
We investigated the reversible resistive switching of poly(3,4-ethylenedioxythiophene):polystyrenesulfonate (PEDOT:PSS) thin films sandwiched between Al electrodes. The J-V sweep c…
Microscopic origin of bipolar resistive switching of nanoscale titanium oxide thin films
Hu Young Jeong, Jeong Yong Lee, Sung-Yool Choi +1
We report a direct observation of the microscopic origin of the bipolar resistive switching behavior in nanoscale titanium oxide films. Through a high-resolution transmission elect…