Explanipedia

Autonomous AI‐Driven Measurement and Characterization of 2D Materials Using Scanning Probe Microscopy Open

Jaeuk Sung, S.B. Heo, Do‐Hyun Kim, Youngmee Kwon, Jinyoung You , et al. · 2025

Scanning probe microscopy (SPM) has become a valuable tool for probing physical properties and nanoscale materials and devices. However, conventional SPM imaging requires manual identification of regions of interest and heavily depends on …

Basal and edge plane activity of two-dimensional Dirac semimetal NiTe2 for hydrogen evolution reaction Open

Seung Chan Jeong, Jeong Hyo Kim, Seungyeon Lee, H.-H. Kim, Hee Jung Park , et al. · 2025

Isotope geochemical study of the origin and formation mechanism of carbonate minerals in geothermal wells and surrounding hot spring waters in the western Unzen area Open

Akira Ueda, Heejun Yang, Yukiko Hoshino, Shosuke Satake, Dongyang Mao , et al. · 2025

Thermal biasing for lattice symmetry breaking and topological edge state imaging Open

Dohyun Kim, Jaeuk Seo, Sangsu Yer, Seungil Baek, Woohyun Cho , et al. · 2025

Marginally twisted bilayer graphene with large Bernal stacked domains involves symmetry-breaking features with domain boundaries that exhibit topological edge states normally obscured by trivial bands. A vertical electric field can activat…

Basal and Edge Plane Activity of Two-Dimensional Dirac Semimetal Nite2 for Hydrogen Evolution Reaction Open

Suyeon Cho, Seung Chan Jeong, Jeong Hyo Kim, Seung Yeon Lee, Heejun Yang , et al. · 2025

Geochemical study of fluid origin and caprock formation with carbonate mineral precipitation in the Okuaizu geothermal area Open

Dongyang Mao, Jing Zhang, Yukiko Hoshino, Shosuke Satake, Heejun Yang , et al. · 2024

Shadow Removal for Enhanced Nighttime Driving Scene Generation Open

Heejun Yang, Oh-Hyeon Choung, Yuseok Ban · 2024

Autonomous vehicles depend on robust vision systems capable of performing under diverse lighting conditions, yet existing models often exhibit substantial performance degradation when applied to nighttime scenarios after being trained excl…

2D amorphous solids for sub-nanometer scale devices Open

Hyeonseo Jang, Hyeon-Ju Kim, Gyeong Chan Kim, Suyeon Cho, Heejun Yang · 2024

Absence of Additional Stretching‐Induced Electron Scattering in Highly Conductive Cross‐linked Nanocomposites with Negligible Tunneling Barrier Height and Width Open

C. Muhammed Ajmal, Juyeong Jeong, Seongsu Cheon, M. K. Majee, Heejun Yang , et al. · 2024

The intrinsic resistance of stretchable materials is dependent on strain, following Ohm's law. Here the invariable resistance of highly conductive cross‐linked nanocomposites over 53% strain is reported, where additional electron scatterin…

Rapid Monitoring of Scale Precipitation and Inhibition in Geothermal Fluid Using Optical Fiber Sensor Based on Surface Plasmon Resonance Open

Ai Hosoki, Kifuyu Sugiura, Takuya Okazaki, Heejun Yang, Hideki Kuramitz , et al. · 2024

An optical fiber scale sensor based on the detection principle of surface plasmon resonance (SPR) was developed for the rapid, high-sensitivity, real-time evaluation of scale precipitation in geothermal fluids. The optical fiber SPR scale …

Rapid Monitoring of Scale Precipitation and Inhibition in Geothermal Fluid Using Optical Fiber Sensor Based on Surface Plasmon Resonance Open

Ai Hosoki, Kifuyu Sugiura, Takuya Okazaki, Heejun Yang, Hideki Kuramitz , et al. · 2024

An optical fiber scale sensor based on the detection principle of surface plasmon resonance (SPR) was developed for the rapid, high-sensitivity real-time evaluation of scale precipitation from geothermal fluids. The optical fiber SPR scale…

Hole‐Carrier‐Dominant Transport in 2D Single‐Crystal Copper Open

Jong Mok Ok, Kyungrok Kang, Jounghoon Hyun, Chan‐young Lim, Seonggeon Gim , et al. · 2024

In 2D noble metals like copper, the carrier scattering at grain boundaries has obscured the intrinsic nature of electronic transport. However, it is demonstrated that the intrinsic nature of transport by hole carriers in 2D copper can be r…

Singular Hall Response from a Correlated Ferromagnetic Flat Nodal‐Line Semimetal Open

Woohyun Cho, Y. Kang, Jaehun Cha, Dong Hyun David Lee, Do Hoon Kiem , et al. · 2024

Topological quantum phases are largely understood in weakly correlated systems, which have identified various quantum phenomena, such as the spin Hall effect, protected transport of helical fermions, and topological superconductivity. Robu…

Area-selective atomic layer deposition on 2D monolayer lateral superlattices Open

Jeongwon Park, Seung Jae Kwak, Su-Min Kang, Saeyoung Oh, Bongki Shin , et al. · 2024

Electrolyte-Free Potassium Ions Intercalated in 2d Layered Metal Oxide for Imitating Spatiotemporal Biological Neural Dynamic Open

Gichang Noh, Jeongho Kim, Dong Yeon Woo, Mingyu Kim, Hyeri Yoo , et al. · 2024

Singular Hall response from a correlated ferromagnetic flat nodal-line semimetal Open

Woohyun Cho, Y. Kang, Jaehun Cha, Dong Hyun David Lee, Do Hoon Kiem , et al. · 2023

Topological quantum phases have been largely understood in weakly correlated systems, which have identified various quantum phenomena such as spin Hall effect, protected transport of helical fermions, and topological superconductivity. Rob…

Phase slip from weak links formed in artificially-stacked NbSe2 Open

Lijun Li, Ju-Yeong Jeong, Yanggeun Joo, Heemyoung Hong, Se Kwon Kim , et al. · 2023

The rich nature of van der Waals interactions between artificially-stacked atomic layers has been demonstrated by various quantum states and resonant tunneling transport in low-dimensional materials. However, the role of topological fluctu…

Quantum Sensing of Thermoelectric Power in Low‐Dimensional Materials (Adv. Mater. 27/2023) Open

Mali Zhao, Dohyun Kim, Young Hee Lee, Heejun Yang, Suyeon Cho · 2023

Quantum Sensing of Thermopower Thermopower has been extensively studied in low-dimensional materials where quantum confinement and spin textures can largely modulate thermopower generation. In article number 2106871, Heejun Yang, Suyeon Ch…

Memory and Synaptic Devices Based on Emerging 2D Ferroelectricity Open

Yanggeun Joo, Eunji Hwang, Heemyoung Hong, Suyeon Cho, Heejun Yang · 2023

Memory devices are an essential part of modern electronics. Efforts to move beyond the traditional “read” and “write” of digital information in volatile and non‐volatile memory devices are leading to the rapid growth of neuromorphic techno…

Multi-neuron connection using multi-terminal floating–gate memristor for unsupervised learning Open

Ui Yeon Won, Quoc An Vu, Sung Bum Park, Mi Hyang Park, Van Dam , et al. · 2023

Multi-terminal memristor and memtransistor (MT-MEMs) has successfully performed complex functions of heterosynaptic plasticity in synapse. However, theses MT-MEMs lack the ability to emulate membrane potential of neuron in multiple neurona…

Engineering Active Sites of 2D Materials for Active Hydrogen Evolution Reaction Open

Jeong Hyo Kim, Da Yeon Lee, Ning Ling, Yongjoon Lee, Heejun Yang , et al. · 2023

Hydrogen evolution reaction (HER) is a promising clean and sustainable energy source with zero carbon emissions. Numerous studies have been conducted with versatile low dimensional materials, and the development of highly active electroche…

Sizable suppression of magnon Hall effect by magnon damping in Cr$_2$Ge$_2$Te$_6$ Open

Ysun Choi, Heejun Yang, Jaena Park, Je‐Geun Park · 2023

Two-dimensional (2D) Heisenberg honeycomb ferromagnets are expected to have interesting topological magnon effects as their magnon dispersion can have Dirac points. The Dirac points are gapped with finite second nearest neighbor Dzyaloshin…

Large Memory Window of van der Waals Heterostructure Devices Based on MOCVD‐Grown 2D Layered Ge4Se9 Open

Gichang Noh, Hwa-Young Song, Heenang Choi, Mingyu Kim, Jae Hwan Jeong , et al. · 2023

Adv. Mater. 2022, 34, 2204982 DO: 10.1002/adma.202204982 When originally published, the author name Seungwoo Song was spelled incorrectly. This is hereby corrected as shown in author line above; the author line in the online version of the…

Thermal-Protective and Oxygen-Resistant Nanocoating Using Silica-Nanocomposites for Laser Thinning of Polymorphic Molybdenum Ditellurides Open

Soyoung Heo, Seulbi Kim, Seung Yeon Lee, Heejun Yang, Ji Hun Park , et al. · 2023

Terahertz Spin‐to‐Charge Current Conversion in Stacks of Ferromagnets and the Transition‐Metal Dichalcogenide NbSe2 Open

Lukáš Nádvorník, Oliver Gueckstock, Lukas Braun, Chengwang Niu, Joachim Gräfe , et al. · 2022

Transition‐metal dichalcogenides (TMDCs) are an aspiring class of materials with unique electronic and optical properties and potential applications in spin‐based electronics. Here, terahertz emission spectroscopy is used to study spin‐to‐…

2D materials and van der Waals heterojunctions for neuromorphic computing Open

Zirui Zhang, Dongliang Yang, Huihan Li, Ce Li, Zhongrui Wang , et al. · 2022

Neuromorphic computing systems employing artificial synapses and neurons are expected to overcome the limitations of the present von Neumann computing architecture in terms of efficiency and bandwidth limits. Traditional neuromorphic devic…

Invariable resistance of conductive nanocomposite over 30% strain Open

C. Muhammed Ajmal, Seokjae Cha, Wonjoon Kim, K. P. Faseela, Heejun Yang , et al. · 2022

The dependence of the electrical resistance on materials’ geometry determines the performance of conductive nanocomposites. Here, we report the invariable resistance of a conductive nanocomposite over 30% strain. This is enabled by the in …

Atomic-scale thermopower in charge density wave states Open

Dohyun Kim, Eui-Cheol Shin, Yongjoon Lee, Young Hee Lee, Mali Zhao , et al. · 2022

The microscopic origins of thermopower have been investigated to design efficient thermoelectric devices, but strongly correlated quantum states such as charge density waves and Mott insulating phase remain to be explored for atomic-scale …

Terahertz spin-to-charge current conversion in stacks of ferromagnets and the transition-metal dichalcogenide NbSe$_2$ Open

Lukáš Nádvorník, Oliver Gueckstock, Lukas Braun, Chengwang Niu, Joachim Gräfe , et al. · 2022

Transition-metal dichalcogenides (TMDCs) are an aspiring class of materials with unique electronic and optical properties and potential applications in spin-based electronics. Here, we use terahertz emission spectroscopy to study spin-to-c…

Hole-carrier-dominant transport in 2D single-crystal copper Open

Kyungrok Kang, M. Cheon, Jong Mok Ok, Su Jae Kim, Yousil Lee , et al. · 2022

The intrinsic nature of electronic transport has been screened by the carrier scattering at grain boundaries in two-dimensional noble metals, such as copper. Here, by realizing the impossible assumption of growing without grain boundaries …

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