Publications

Jiwon Jeon, Taehyeok Kim, Jiho Jang, Hoil Kim, Mykhaylo Ozerov, Jun Sung Kim, Hongki Min, and Eunjip Choi

Unveiling Three Types of Fermions in a Nodal Ring Topological Semimetal through Magneto-Optical Transitions, Physical Review Letters 135, 086901, 2025 Article

Junghyun Baek,  Hyun Don Kim,  Hyeongjoon Lim, Jiwon Jeon, Yeong Gwang Khim, Young Jun Chang, and Eunjip Choi 

Gate-modulated optical transitions of tellurium-based field-effect transistors, Physical Review Applied 23, 054039, 2025 Article 

Hyun Don Kim, Minseon Gu, Kyu-Myung Lee, Hanyeol Ahn, Jinwoo Byun, Gukhyon Yon, Junghyun Beak, Hyeongjoon Lim, Jaemo Jung, Jaehyeon Park, Jwa Soon Kim, HaeJoon Hahm, Soobang Kim, Won Ja Min, Moon Seop Hyun, Yun Chang Park, Gyungtae Kim, Yongsup Park, Moonsup Han, Eunjip Choi, and Young Jun Chang

Advanced spectroscopic methods for probing in-gap defect states in amorphous SiNx for charge trap memory applications. Current Applied Physics, 69, 21-27, 2025 Article

Byeoungju Lee, H.J. Lim, Kwangnam Yu, Jiho Kim, and E.J. Choi

Photocarrier generation mechanism of graphene-based field effect device. Current Applied Physics, 62, 7-11, 2024 Article

Jiwon Jeon, Jiho Jang, Hoil Kim, Taesu Park, Dongwook Kim, Soonjae Moon, Jun Sung Kim, Ji Hoon Shim, Hongki Min, and Eunjip Choi

Optical Transitions of a Single Nodal Ring in SrAs3: Radially and Axially Resolved Characterization, Physical Review Letters 131, 236903, 2023 Article

Dongmin Seo, Gihyeon Ahn, Gaurab Rimal, Seunghyun Khim, Suk Bum Chung, A. P. Mackenzie, Seongshik Oh, S. J. Moon, and Eunjip Choi

Interaction of in-plane Drude carrier with c-axis phonon in PdCoO2, npj Quantum Materials, 2023 Article

MinJay Kim, KyeongJun Lee, Hyun Don Kim, HyukJin Kim, ByoungKi Choi, InHak Lee, YeongGwang Khim, JinEun Heo, SeoHyoung Chang, Eunjip Choi, and YoungJun Chang

Epitaxial growth and optical band gap variation of ultrathin ZnTe films, Materials Letters, 131725, 2022 Article

Byeoungju Lee, Kwangnam Yu, Jiwon Jeon, and E.J. Choi

Machine learning analysis of broadband optical reflectivity of semiconductor thin film, JKPS, 2022 Article

Ji soo Lim, Jounghee Lee, Byeoung Ju Lee, Yong-Jin Kim, Heung-Sik Park, Jeonghun Suh, Ho-Hyun Nahm, Sang Woo Kim, Byeong Gwan Cho, Tae Yeong Koo, Eunjip Choi, Yong-Hyun Kim, Chan Ho Yang

Harnessing the topotactic transition in oxide heterostructures for fast and high-efficiency electrochromic applications, Science Advances 6, eabb8553, 2020 Article

Jiho Kim,  Jiwon Jeon,  Byoungju Lee, Kwangnam Yu, Marcelo A. Kuroda, and E. J. Choi 

Infrared Spectroscopic Probe of Charge Distribution in Gated Multilayer Graphene: Evidence of Nonlinear Screening, Physical Review Applied 13, 014066, 2020 Article 

Ji-Hwan Kwon , Seunghoon Jang , Hyukjin Kim , Beomsoo Joo , Kwangnam Yu , Eunjip Choi , Moonsup Han , Jong Hyuk Park and Young Jun Chang 

Microscopic and chemical analysis of room temperature UV laser annealing of solution-based zinc-tin-oxide thin films, Journal of Analytical Science and Technology 11, 2020 Article 

Kwangnam Yu, Nguyen Van Luan, Taesoo Kim, Jiwon Jeon, Jiho Kim, Pilkyung Moon, Young Hee Lee, and E. J. Choi 

Gate tunable optical absorption and band structure of twisted bilayer graphene, Physical  Review B 99, 241405(R), 2019 Article 

Kwangnam Yu, Jiwon Jeon, Jiho Kim,  Chang Won Oh, Yongseok Yoon, BeomJoon Kim, Jeong Ho Cho, and E. J. Choi 

Infrared study of carrier scattering mechanism in ion-gated graphene, Applied Physics Letters 114, 083503, 2019 Article 

Jiwon Jeon, Kwangnam Yu, Jiho Kim, Jisoo Moon, Seongshik Oh, and E. J. Choi

Observation of optical absorption correlated with surface state of topological insulator, Physical  Review B 100,195110, 2019 Article 

Dong Hyun Jang, Woong-Jhae Lee, Egon Sohn, Hyung Joon Kim, Dongmin Seo, Ju-Young Park, E. J. Choi, and Kee Hoon Kim 

Single crystal growth and optical properties of a transparent perovskite oxide LaInO3, Journal of Applied Physics 121, 125109, 2017 Article 

A-Rang Jang, Seokmo Hong, Chohee Hyun, Seong In Yoon, Gwangwoo Kim, Hu Young Jeong, Tae Joo Shin, Sung O. Park, Kester Wong, Sang Kyu Kwak, Noejung Park, Kwangnam Yu,

Eunjip Choi, Artem Mishchenko, Freddie Withers, Kostya S. Novoselov, Hyunseob Lim, and Hyeon Suk Shin

Wafer-Scale and Wrinkle-Free Epitaxial Growth of Single-Oriented Multilayer Hexagonal Boron Nitride on Sapphire, Nano Letters 16, 5, 3360-3366, 2016 Article 

Kwangnam Yu, Jiho Kim, Chul Lee, A-Rang Jang, Hyeon Suk Shin, Keun Soo Kim, Young-Jun Yu, and E. J. Choi

Infrared study of large scale h-BN film and graphene/h-BN heterostructure, Applied Physics Letters 108, 241910, 2016 Article 

Kwangnam Yu, Jiho Kim, Joo Youn Kim, Wonki Lee, Jun Yeon Hwang, E. H. Hwang, and E. J. Choi 

Infrared spectroscopic study of carrier scattering in gated CVD graphene, Physical Review B 94, 235404, 2016  Article

Chul Lee, N. Leconte, Jiho Kim, Doohee Cho, In-Whan Lyo, and E.J. Choi 

Optical spectroscopy study on the effect of hydrogen adsorption on graphene, Carbon 103, 2016  Article 

S. Y. Hamh, S.-H. Park, S.-K. Jerng, J. H. Jeon, S. H. Chun, J. H. Jeon, S. J. Kahng, K. Yu, E. J. Choi, S. Kim, S.-H. Choi, N. Bansal, S. Oh, Joonbum Park, Byung-Woo Kho, Jun Sung Kim, and J. S. Lee 

Surface and interface states of Bi2Se3 thin films investigated by optical second harmonic generation and terahertz emission, Applied Physics Letters 108, 051609, 2016  Article 

Chul Lee, Jiho Kim, SangJin Kim, Young Jun Chang, Keun Soo Kim, ByungHee Hong, and E. J. Choi 

Strong hole-doping and robust resistance-decrease in proton-irradiated graphene, Scientific Reports 6, 21311, 2016  Article

Jiho Kim, Seung Kwan Baek, Keun Soo Kim, Young Jun Chang, and E.J. Choi 

Long-term stability study of graphene-passivated black phosphorus under air exposure, Current Applied Physics 16, 2015  Article

Nak Woo Kim, Joo Youn Kim, Chul Lee, Sang Jin Kim, Byung Hee Hong, and E. J. Choi

Infrared spectroscopy of large scale single layer graphene on self assembled organic monolayer, Applied Physical Letters 104, 041904, 2014  Article 

Dongmin Seo, Kwangnam Yu, Young Jun Chang, Egon Sohn, Kee Hoon Kim, and E. J. Choi  

Infrared optical spectroscopy of transparent conducting perovskite (La,Ba)SnO3 thin films, Applied Physical Letters 104, 022102, 2014  Article

Dongmin Seo, Kwangnam Yu, and E. J. Choi  

Infrared Conductivity of PED-grown (La,Ba)SnO3 Thin Films, Journal of Korea Physics Society 64, 764767, 2014  Article