Search Results - "Ahn, Ji‐Hoon"

Wafer‐Scale Synthesis of Reliable High‐Mobility Molybdenum Disulfide Thin Films via Inhibitor‐Utilizing Atomic Layer Deposition by Jeon, Woojin, Cho, Yeonchoo, Jo, Sanghyun, Ahn, Ji‐Hoon, Jeong, Seong‐Jun

“…A reliable and rapid manufacturing process of molybdenum disulfide (MoS2) with atomic‐scale thicknesses remains a fundamental challenge toward its successful…”
Get full text

Deterministic Two-Dimensional Polymorphism Growth of Hexagonal n‑Type SnS2 and Orthorhombic p‑Type SnS Crystals by Ahn, Ji-Hoon, Lee, Myoung-Jae, Heo, Hoseok, Sung, Ji Ho, Kim, Kyungwook, Hwang, Hyein, Jo, Moon-Ho

“…van der Waals layered materials have large crystal anisotropy and crystallize spontaneously into two-dimensional (2D) morphologies. Two-dimensional materials…”
Get full text

Rotation-Misfit-Free Heteroepitaxial Stacking and Stitching Growth of Hexagonal Transition-Metal Dichalcogenide Monolayers by Nucleation Kinetics Controls by Heo, Hoseok, Sung, Ji Ho, Jin, Gangtae, Ahn, Ji-Hoon, Kim, Kyungwook, Lee, Myoung-Jae, Cha, Soonyoung, Choi, Hyunyong, Jo, Moon-Ho

“…2D vertical stacking and lateral stitching growth of monolayer (ML) hexagonal transition‐metal dichalcogenides are reported. The 2D heteroepitaxial…”
Get full text

Understanding tunneling electroresistance effect through potential profile in Pt/Hf0.5Zr0.5O2/TiN ferroelectric tunnel junction memory by Yoon, Jungkyu, Hong, Seunghyeon, Song, Yong Won, Ahn, Ji-Hoon, Ahn, Seung-Eon

“…Hafnia ferroelectric materials have gained prominence as promising materials for advanced memory applications due to their high scalability and…”
Get full text

Thermoelectric materials by using two-dimensional materials with negative correlation between electrical and thermal conductivity by Lee, Myoung-Jae, Ahn, Ji-Hoon, Sung, Ji Ho, Heo, Hoseok, Jeon, Seong Gi, Lee, Woo, Song, Jae Yong, Hong, Ki-Ha, Choi, Byeongdae, Lee, Sung-Hoon, Jo, Moon-Ho

“…In general, in thermoelectric materials the electrical conductivity σ and thermal conductivity κ are related and thus cannot be controlled independently…”
Get full text

Self‐Formed Channel Devices Based on Vertically Grown 2D Materials with Large‐Surface‐Area and Their Potential for Chemical Sensor Applications by Kim, Chaeeun, Park, Jun‐Cheol, Choi, Sun Young, Kim, Yonghun, Seo, Seung‐Young, Park, Tae‐Eon, Kwon, Se‐Hun, Cho, Byungjin, Ahn, Ji‐Hoon

“…2D layered materials with sensitive surfaces are promising materials for use in chemical sensing devices, owing to their extremely large surface‐to‐volume…”
Get full text

Interlayer orientation-dependent light absorption and emission in monolayer semiconductor stacks by Heo, Hoseok, Sung, Ji Ho, Cha, Soonyoung, Jang, Bo-Gyu, Kim, Joo-Youn, Jin, Gangtae, Lee, Donghun, Ahn, Ji-Hoon, Lee, Myoung-Jae, Shim, Ji Hoon, Choi, Hyunyong, Jo, Moon-Ho

“…Two-dimensional stacks of dissimilar hexagonal monolayers exhibit unusual electronic, photonic and photovoltaic responses that arise from substantial…”
Get full text

Role of SVP in the control of flowering time by ambient temperature in Arabidopsis by Lee, Jeong Hwan, Yoo, Seong Jeon, Park, Soo Hyun, Hwang, Ildoo, Lee, Jong Seob, Ahn, Ji Hoon

“…Plants must perceive and rapidly respond to changes in ambient temperature for their successful reproduction. Here we demonstrate that Arabidopsis SHORT…”
Get full text

Sub-0.5 nm equivalent oxide thickness scaling for Si-doped Zr1-xHfxO2 thin film without using noble metal electrode by Ahn, Ji-Hoon, Kwon, Se-Hun

“…The dielectric properties of the Si-doped Zr1-xHfxO2 thin films were investigated over a broad compositional range with the goal of improving their properties…”
Get full text

Comparative study of the electrical characteristics of ALD‐ZnO thin films using H2O and H2O2 as the oxidants by Lee, Woo‐Jae, Bera, Susanta, Wan, Zhixin, Dai, Wei, Bae, Jong‐Seong, Hong, Tae Eun, Kim, Kwang‐Ho, Ahn, Ji‐Hoon, Kwon, Se‐Hun

“…ZnO thin films were deposited via atomic layer deposition (ALD) using H2O and H2O2 as oxidants with substrate temperatures from 100°C to 200°C. The ZnO films…”
Get full text

Highly Stable Artificial Synapses Based on Ferroelectric Tunnel Junctions for Neuromorphic Computing Applications by Song, Sungmun, Ham, Woori, Park, Gyuil, Kho, Wonwoo, Kim, Jisoo, Hwang, Hyunjoo, Kim, Hyo‐Bae, Song, Hyunsun, Ahn, Ji‐Hoon, Ahn, Seung‐Eon

“…Owing to the limited processing speed and power efficiency of the current computing method based on the von Neumann architecture, research on artificial…”
Get full text

Optimization Method for Conductance Modulation in Ferroelectric Transistor for Neuromorphic Computing by Kim, Cheol Jun, Lee, Jae Yeob, Ku, Minkyung, Kim, Tae Hoon, Noh, Taehee, Lee, Seung Won, Ahn, Ji‐Hoon, Kang, Bo Soo

“…The learning accuracy of neuromorphic computing that mimics the biological brain, is affected by the conductance‐modulation characteristics of an artificial…”
Get full text

A Strategy for Wafer‐Scale Crystalline MoS2 Thin Films with Controlled Morphology Using Pulsed Metal–Organic Chemical Vapor Deposition at Low Temperature by Choi, Jeong‐Hun, Ha, Min‐Ji, Park, Jae Chan, Park, Tae Joo, Kim, Woo‐Hee, Lee, Myoung‐Jae, Ahn, Ji‐Hoon

“…2D semiconductor materials with layered crystal structures have attracted great interest as promising candidates for electronic, optoelectronic, and sensor…”
Get full text

AGO1-miR173 complex initiates phased siRNA formation in plants by Montgomery, Taiowa A, Yoo, Seong Jeon, Fahlgren, Noah, Gilbert, Sunny D, Howell, Miya D, Sullivan, Christopher M, Alexander, Amanda, Nguyen, Goretti, Allen, Edwards, Ahn, Ji Hoon, Carrington, James C

“…MicroRNA (miRNA)-guided cleavage initiates entry of primary transcripts into the transacting siRNA (tasiRNA) biogenesis pathway involving RNA-DEPENDENT RNA…”
Get full text

Area‐Selective Atomic Layer Deposition Using Vapor Dosing of Short‐Chain Alkanethiol Inhibitors on Metal/Dielectric Surfaces by Lee, Jeongbin, Lee, Jeong‐Min, Ahn, Ji‐Hoon, Park, Tae Joo, Kim, Woo‐Hee

“…Area‐selective atomic layer deposition (AS‐ALD) has enormous potential for selective formation of thin films in a bottom‐up additive fashion on predefined…”
Get full text

Transparent bifacial a-Si:H solar cells employing silver oxide embedded transparent rear electrodes for improved transparency by Jo, Hyunjin, Yang, Jo-Hwa, Lee, Ji-hoon, Lim, Jung-Wook, Lee, Jaesung, Shin, Myunhun, Ahn, Ji-Hoon, Kwon, Jung-Dae

“…•AgOx is introduced in a transparent oxide-metal-oxide (OMO) structure.•Oxidization of AgOx is optimized for high transparency and efficiency of transparent…”
Get full text

Compositional and electrical modulation of niobium oxide thin films deposited by plasma-enhanced atomic layer deposition by Lee, Seung-Hwan, Kwon, Jung-Dae, Ahn, Ji-Hoon, Park, Jin-Seong

“…Composition-modulated niobium oxide thin films were deposited by plasma-enhanced atomic layer deposition using NbF5, hydrogen plasma and ozone as the…”
Get full text

A Simple Strategy to Realize Super Stable Ferroelectric Capacitor via Interface Engineering by Kim, Hyo‐Bae, Dae, Kyun Seong, Oh, Youkyoung, Lee, Seung‐Won, Lee, Yoseop, Ahn, Seung‐Eon, Jang, Jae Hyuck, Ahn, Ji‐Hoon

“…Fluorite‐structure ferroelectric thin films have been extensively studied as promising candidates for next‐generation non‐volatile memory. However, these…”
Get full text

Improved electrical performance of a sol–gel IGZO transistor with high-k Al2O3 gate dielectric achieved by post annealing by Lee, Esther, Kim, Tae Hyeon, Lee, Seung Won, Kim, Jee Hoon, Kim, Jaeun, Jeong, Tae Gun, Ahn, Ji-Hoon, Cho, Byungjin

“…We have explored the effect of post-annealing on the electrical properties of an indium gallium zinc oxide (IGZO) transistor with an Al 2 O 3 bottom gate…”
Get full text

Photo-thermoelectric properties of SnS nanocrystals with orthorhombic layered structure by Hyun, Cheol-Min, Choi, Jeong-Hun, Lee, Myoung-Jae, Ahn, Ji-Hoon

“…The photo-thermoelectric properties of SnS nanocrystals, two-dimensional materials with an orthorhombic symmetry, were investigated using a focused laser…”
Get full text