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김대식
Kim, Dai-Sik

김대식

Department of Physics(물리학과)

Research Interests
Nano Optics;Nanogap Fabrication;Angstrom-scale Electromagnetism;VO2 Phase Transition Control;Optical Field Mapping;나노광학;나노구조;나노소자
Lab Description
We study subwavelength confinement of electromagnetic wave and their nonlinearity in nanometer and angstrom-scale antennas. By using a new patterning technology based on atomic layer deposition, chemical vapor deposition and simple adhesive tape-based planarization creates vertically oriented gaps in opaque metal film along the entire contour of a millimeter-sized pattern with gap widths less than a nanometer. Squeezing terahertz electromagnetic waves through these nanometer and angstrom-scale gaps leads to giant field enhancements, nonlocal electromagnetic effects and light-induced electron tunneling.
Researcher ID Research Gate ORCiD Scopus Google Scholar
Previous
Lithographically Defined Zerogap Strain Sensors File

Moghaddam, Mahsa Haddadi , Dalayoan, Daryll J. C. , Park, Daehwan , Wang, Zhihao , Kim, Hwanhee , Im, Sunghoon , Ji, Kyungbin , Kang, Daeshik , Das, Bamadev , Kim, Dai-Sik

Article Issue Date2024-08 View7
Optical Tweezing Terahertz Probing for a Single Metal Nanoparticle File

Rhie, Jiyeah , Lee, Dukhyung , Kim, Taehoon , Kim, Seonghun , Seo, Minah , Kim, Dai-Sik , Bahk, Young-Mi

Article Issue Date2024-06 View31
Ultrafast snapshots of terahertz electric potentials across ring-shaped quantum barriers File

Kang, Taehee , Kim, Richard H. J. , Lee, Jinwoo , Seo, Minah , Kim, Dai-Sik

Article Issue Date2024-04 View31
Suppressed terahertz dynamics of water confined in nanometer gaps File File

Yang, Hyosim , Ji, Gangseon , Choi, Min , Park, Seondo , An, Hyeonjun , Lee, Hyoung-Taek , Jeong, Joonwoo , Park, Yun Daniel , Kim, Kyungwan , Park, Noejung , et al

Article Issue Date2024-04 View28
Adaptive Gap-Tunable Surface-Enhanced Raman Spectroscopy File

Moon, Taeyoung , Joo, Huitae , Das, Bamadev , Koo, Yeonjeong , Kang, Mingu , Lee, Hyeongwoo , Kim, Sunghwan , Chen, Cheng , Suh, Yung Doug , Kim, Dai-Sik , et al

Article Issue Date2024-03 View30
Ultraviolet light scattering by a silicon Bethe hole File File

Lee, Dukhyung , Lee, Youjin , Kim, Dai-Sik

Article Issue Date2024-03 View121
Advancements of Intense Terahertz Field Focusing on Metallic Nanoarchitectures for Monitoring Hidden Interatomic Gas‐Matter Interactions File

Lee, Jinwoo , Lee, Jongsu , Lee, Geon , Kim, Dai-Sik , Ryu, Yong‐Sang , Seo, Minah

Article Issue Date2024-01 View31
Efficient electroluminescence in doped-GaAs via terahertz metamaterials File

Kang, Taehee , Song, Jindong , Kim, Dai-Sik , Choi, Geunchang

Article Issue Date2023-10 View24
Trench Formation under the Tunable Nanogap: Its Depth Depends on Maximum Strain and Periodicity File File

Park, Daehwan , Lee, Dukhyung , Moghaddam, Mahsa Haddadi , Kim, Dai-Sik

Article Issue Date2023-10 View66
Strain versus Tunable Terahertz Nanogap Width: A Simple Formula and a Trench below File File

Kim, Hwanhee , Moghaddam, Mahsa Haddadi , Wang, Zhihao , Kim, Sunghwan , Lee, Dukhyung , Yang, Hyosim , Jee, Myongsoo , Park, Daehwan , Kim, Dai-Sik

Article Issue Date2023-09 View25
Nanoscale Etching of La0.7Sr0.3MnO3 without Etch Lag using Chlorine Based Inductively Coupled Plasma File

Sarkar, Nimphy , Han, Jaewoo , Dalayoan, Daryll Joseph Chaves , Behera, Satyabrat , Lee, Sang-Hyuk , Chen, Cheng , Kim, Dai-Sik , Sohn, Chang Hee , Namgung, Seon

Article Issue Date2023-07 View27
High-Efficiency Photodetector Based on a CVD-Grown WS2 Monolayer File

Prasad, Rakesh K. , Ghosh, Koushik , Giri, Pravat K. , Kim, Dai-Sik , Singh, Dilip K.

Article Issue Date2023-07 View24
Revealing CdSe Quantum Dots Plasmonics Confined in Au Nanotrenches by Thermoacoustic Spectroscopy File

Nadtochiy, Andriy , Suwal, Om Krishna , Kim, Dai-Sik , Korotchenkov, Oleg

Article Issue Date2023-07 View21
Defining the zerogap: cracking along the photolithographically defined Au-Cu-Au lines with sub-nanometer precision File File

Kim, Sunghwan , Das, Bamadev , Ji, Kang Hyeon , Moghaddam, Mahsa Haddadi , Chen, Cheng , Cha, Jongjin , Namgung, Seon , Lee, Dukhyung , Kim, Dai-Sik

Article Issue Date2023-04 View34
Enhanced terahertz nonlinear response of GaAs by the tight field confinement in a nanogap File File

Kim, Dasom , Kim, Dai-Sik , Choi, Geunchang

Article Issue Date2023-03 View17
Magnetocaloric properties and critical behavior of magnetic phase transition in La(Fe(0.94-x)NixCo(0.06))(11.4)Si1.6B0.25 alloys File

Wang, Zhihao , Zhang, Yingde , Chen, Cheng , Piao, Hong-Guang , Ding, Linjie , Pan, Liqing , Huang, Jiaohong , Park, Hyeong‐Ryeol , Kim, Dai-Sik , Yu, Seong-Cho

Article Issue Date2023-01 View24
Antenna-based reduced IR absorbers for high performance microbolometers File

Rao, S Jagan Mohan , Kim, Dai-Sik , Namgung, Seon , Lee, Dukhyung

Article Issue Date2022-12 View27
Multifunctional Terahertz Transparency of a Thermally Oxidized Vanadium Metasurface over Insulator Metal Transition File

Yang, Hyosim , Kim, Dai-Sik , Yun, Hyeong Seok , Kim, Sunghwan , Lee, Dukhyung

Article Issue Date2022-11 View21
Detection of Single Nanoparticles inside a Single Terahertz Resonator File File

Bahk, Young-Mi , Kim, Kyoung-Ho , Ji, Gangseon , Ahn, Kwang Jun , Kim, Dai-Sik , Park, Hyeong‐Ryeol

Article Issue Date2022-11 View11
Near-maximum microwave absorption in a thin metal film at the pseudo-free-standing limit File File

Haddadi, Mahsa M. , Das, Bamadev , Jeong, Jeeyoon , Kim, Sunghwan , Kim, Dai-Sik

Article Issue Date2022-11 View19
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