2020-2024

2024

<7> Lithographically defined zerogap strain sensors
Mahsa Haddadi Moghaddam, Daryll J. C. Dalayoan, Daehwan Park, Zhihao Wang, Hwanhee Kim, Sunghoon Im, Kyungbin Ji, Daeshik Kang, Bamadev Das, and Dai-Sik Kim.
ACS Photonics 8, 3239-3249.

<6> Optical tweezing terahertz probing for a single metal nanoparticle
Jiyeah Rhie, Dukhyung Lee, Taehoon Kim, Seonghum Kim, Minah Seo, Dai-Sik Kim, and Young-Mi Bahk.
Nano Letters 24, 6753-6760.

<5> Suppressed terahertz dynamics of water confined in nanometer gaps
Hyosim Yang, Gangseon Ji, Min Choi, Seondo Park, Hyeonjun An, Hyoung-Taek Lee, Joonwoo Jeong, Yun Daniel Park, Kyungwan Kim, Noejung Park, Jeeyoon Jeong, Dai-Sik Kim, and Hyeong-Ryeol Park.
Science Advances 10:eadm7315.

<4> Adaptive gap-tunable surface-enhanced Raman spectroscopy
Taeyoung Moon, Huitae Joo, Bamadev Das, Yeonjeong Koo, Mingu Kang, Hyeongwoo Lee, Sunghwan Kim, Cheng Chen, Yung Doug Suh, Dai-Sik Kim, and Kyoung-Duck Park.
Nano Letters 24, 3777-3784.

<3> Ultrafast snapshots of terahertz electric potentials across ring-shaped quantum barriers
Taehee Kang, Richard H. J. Kim, Jinwoo Lee, Minah Seo, and Dai-Sik Kim.
Nanophotonics 13, 1331-1338.

<2> Ultraviolet light scattering by a silicon Bethe hole
Dukhyung Lee, Youjin Lee, and Dai-Sik Kim.
Nanophotonics 13, 1091-1097.

<1> Advancements of intense terahertz field focusing on metallic nanoarchitectures for monitoring hidden interatomic gas-matter interactions
Jinwoo Lee, Jongsu Lee, Geon Lee, Dai-Sik Kim, Yong-Sang Ryu, and Minah Seo.
Advanced Materials 36:2308975.

2023

<9> Trench formation under the tunable nanogap: Its depth depends on maximum strain and periodicity
Daehwan Park, Dukhyung Lee, Mahsa Haddadi Moghaddam, and Dai-Sik Kim.
Micromachines 14:1991.

<8> Strain versus Tunable Terahertz Nanogap Width: A Simple Formula and a Trench below
Hwanhee Kim, Mahsa Haddadi Moghaddam, Zhihao Wang, Sunghwan Kim, Dukhyung Lee, Hyosim Yang, Myongsoo Jee, Daehwan Park, and Dai-Sik Kim.
Nanomaterials 13:2526.

<7> High-efficiency photodetector based on a CVD-grown WS2 monolayer
Rakesh K. Prasad, Koushik Ghosh, Pravat K. Giri, Dai-Sik Kim, and Dilip K. Singh.
ACS Applied Electronic Materials 5, 3634-3640.

<6> Revealing CdSe quantum dots plasmonics confined in Au nanotrenches by thermoacoustic spectroscopy
Andriy Nadtochiy, Om Krishna Suwal, Dai-Sik Kim, and Oleg Korotchenkov.
ACS Applied Optical Materials 1, 1272-1280.

<5> Enhanced terahertz nonlinear response of GaAs by the tight field confinement in a nanogap
Dasom Kim, Dai-Sik Kim, and Geunchang Choi.
APL Photonics 8:036107.

<4> Defining the zerogap: cracking along the photolithographically defined Au–Cu–Au lines with sub-nanometer precision
Sunghwan Kim, Bamadev Das, Kang Hyeon Ji, Mahsa Haddadi Moghaddam, Cheng Chen, Jongjin Cha, Seon Namgung, Dukhyung Lee, and Dai-Sik Kim.
Nanophotonics 12, 1481-1489.

<3> Efficient electroluminescence in doped-GaAs via terahertz metamaterials
Taehee Kang, Jindong Song, Dai-Sik Kim, and Geunchang Choi.
Applied Physics Express 16:102004.

<2> Nanoscale Etching of La0.7Sr0.3MnO3 Without Etch Lag Using Chlorine Based Inductively Coupled Plasma
Nimphy Sarkar, Jaewoo Han, Daryll Joseph Chavez Dalayoan, Satyabrat Behera, Sang-Hyuk Lee, Cheng Chen, Dai-Sik Kim, Changhee Sohn, and Seon Namgung.
Electronic Materials Letters 19, 384-390.

<1> Magnetocaloric properties and critical behavior of magnetic phase transition in La(Fe0.94−xNixCo0.06)11.4Si1.6B0.25 alloys
Zhihao Wang, Yingde Zhang, Cheng Chen, Hong-Guang Piao, Linjie Ding, Liqing Pan, Jiaohong Huang, Hyeong-Ryoel Park, Dai-Sik Kim, and Seong-Cho Yu.
Journal of Magnetism and Magnetic Materials 565:170147.

2022

<10> Antenna-based reduced IR absorbers for high-performance microbolometers
S Jagan Mohan Rao, Dai-Sik Kim, Seon Namgung, and Dukhyung Lee.
Optics Letters 47, 6305-6308.

<9> Near-maximum microwave absorption in a thin metal film at the pseudo-free-standing limit
Mahsa Haddadi. M, Bamadev Das, Jeeyoon Jeong, Sunghwan Kim, and Dai‑Sik Kim.
Scientific Reports 12:18386.

<8> Detection of Single Nanoparticles inside a Single Terahertz Resonator
Young-Mi Bahk, Kyoung-Ho Kim, Gangseon Ji, Kwang Jun Ahn, Dai-Sik Kim, Hyeong-Ryeol Park
Advanced Photonics Research 3:2200134.

<7> Multifunctional Terahertz Transparency of a Thermally Oxidized Vanadium Metasurface over Insulator Metal Transition
Hyosim Yang, Dai-Sik Kim, Hyeong Seok Yun, Sunghwan Kim, and Dukhyung Lee.
Laser & Photonics Reviews 16:2200399.

<6> Broadband high-performance terahertz polarizer based on a dense array of 5 nm gap slit antennas
Sunghwan Kim, Dasom Kim, Youjin Lee, Geon Lee, Jeeyoon Jeong, Dukhyung Lee, and Dai-Sik Kim.
Optics Express 30, 30038-30046.

<5> Beyond-hot-spot absorption enhancement on top of terahertz nanotrenches
Jeeyoon Jeong, Dai-Sik Kim, and Hyeong-Ryeol Park.
Nanophotonics 11, 3159-3167.

<4> Effective terahertz shielding properties of extreme graphene-silver nanowire surfaces investigated by nanoprobing
Geon Lee, Sung Jun Kim, Yeeun Roh, Sang-Hun Lee, Dai-Sik Kim, Sang Woo Kim, and Minah Seo.
iScience 25:104033.

<3> Spatially Controlled Fabrication of Surface-Enhanced Raman Scattering Hot Spots through Photoinduced Dewetting of Silver Thin Films
Han-Kyu Choi, Sang-Min Park, Jeeyoon Jeong, Hankyul Lee, Gyu Jin Yeon, Dai-Sik Kim, and Zee Hwan Kim.
The Journal of Physical Chemistry Letters 13, 2969-2975.

<2> Gaptronics: Multilevel photonics applications spanning zero-nanometer limits
Jeeyoon Jeong, Hyun Woo Kim and Dai-Sik Kim.
Nanophotonics 11, 1231-1260.

<1> Perspective on future applications with lights concentrated in zero‑nanometer gaps
Hyunwoo Kim and Dai-Sik Kim.
Journal of the Korean Physical Society 81, 525-531.

2021

<9> Topological Control of 2D Perovskite Emission in the Strong Coupling Regime
Seongheon Kim, Byung Hoon Woo, Soo-Chan An, Yeonsoo Lim, In Cheol Seo, Dai-Sik Kim, SeokJae Yoo, Q-Han Park, and Young Chul Jun.
Nano Letters 21, 10076-10085.

<8> Angstrom-Scale Active Width Control of Nano Slits for Variable Plasmonic Cavity
Dukhyung Lee, Dohee Lee, Hyeong Seok Yun, and Dai-Sik Kim.
Nanomaterials 11:2463.

<7> Twofold Plasmonic Resonator Based on Polyethylene Terephthalate Thin Films for Terahertz Sensing Applications
Jiyeah Rhie, Sung Ju Hong, Dukhyung Lee, Dohee Lee, Hyeong Seok Yun, Young-Mi Bahk, and Dai-Sik Kim.
ACS Applied Nano Materials 4, 8753-8760.

<6> High sensitivity bolometers based on metal nanoantenna dimers with a nanogap filled with vanadium dioxide
Dukhyung Lee, Dasom Kim, Dai‑Sik Kim, Hyeong‑Ryeol Park, Changhee Sohn, Seon Namgung, Kunook Chung, Young Chul Jun, Dong Kyun Kim, Hyuck Choo, and Young‑Geun Roh.
Scientific Reports 11:15863.

<5> Effective-zero-thickness terahertz slot antennas using stepped structures
Hyeong Seok Yun, Dukhyung Lee, and Dai-Sik Kim.
Optics Express 29, 21262-21268.

<4> A Transformative Metasurface Based on Zerogap Embedded Template
Bamadev Das, Hyeong Seok Yun, Namkyoo Park, Jeeyoon Jeong, and Dai‐Sik Kim.
Advanced Optical Materials 9:2002164.

<3> Augmented All-Optical Active Terahertz Device Using Graphene-Based Metasurface
Geunchang Choi, Tuan Khanh Chau, Sung Ju Hong, Dasom Kim, Sung Hyuk Kim, Dai-Sik Kim, Dongseok Suh, Young-Mi Bahk, and Mun Seok Jeong.
Advanced Optical Materials 9:2100462.

<2> Ultra-Narrow Metallic Nano-Trenches Realized by Wet Etching and Critical Point Drying
Jeeyoon Jeong, Hyosim Yang, Seondo Park, Yun Daniel Park, and Dai-Sik Kim.
Nanomaterials 11:783.

<1> Topology-Changing Broadband Metamaterials Enabled by Closable Nanotrenches
Dasom Kim, Hyeong Seok Yun, Bamadev Das, Jiyeah Rhie, Parinda Vasa, Young-Il Kim, Sung-Hoon Choa, Namkyoo Park, Dukhyung Lee, Young-Mi Bahk, and Dai-Sik Kim.
Nano Letters 20, 4202-4208.

2020

<5> Graphene-based crack lithography for high-throughput fabrication of terahertz metamaterials
Sejeong Won, Hyun-June Jung, Dasom Kim, Sang-Hun Lee, Do Van Lam, Hyeon-Don Kim, Kwang-Seop Kim, Seung-Mo Lee, Minah Seo, Dai-Sik Kim, Hak-Joo Lee, and Jae-Hyun Kim.
Carbon 158, 505-512.

<4> Fabrication of vertical van der Waals gap array using single-and multi-layer graphene
Sunghwan Kim, Young-Mi Bahk, Dasom Kim, HyeongSeok Yun, Yi Rang Lim, Wooseok Song, and Dai-Sik Kim.
Nanotechnology 31:035304.

<3> Phonon-Polaritons in Lead Halide Perovskite Film Hybridized with THz Metamaterials
Hwan Sik Kim, Na Young Ha, Ji-Yong Park, Soonil Lee, Dai-Sik Kim, and Yeong Hwan Ahn.
Nano Letters 20, 6690-6696.

<2> Copper-based etalon filter using antioxidant graphene layer
Kiin Nam, Youjin Lee, SeongYeon Kim, Sunghwan Kim, Sung Ju Hong, Wonjong Choi, Jinhee Lee, Hyelin Kim, Dai-Sik Kim, JunHo Kim, Soobong Choi, and Young-Mi Bahk.
Nanotechnology 31:445206.

<1> Terahertz quantum plasmonics at nanoscales and angstrom scales
Taehee Kang, Young-Mi Bahk, and Dai-Sik Kim.
Nanophotonics 9, 435-451.