Topological Quantum Device

Submitted

Hyeongyu Bae†, Kyung-Hwan Jin†, Takash Taniguchi, Kenji Watanabe, Gil Young Cho, Youngwook Kim*, and Jurgen H. Smet*, "Electronic Order–defined Minibands in Graphene without Twist" †co-first author

Sung Jin An†, Minseo Cho†, Minjun Park†, Dohun Kim†, HyeonJeong An, Seung-Bo Shim, Hakseong Kim, Sunghun Lee, Myoung-Jae Lee, Kenji Watanabe, Takashi Taniguchi, Jungpil Seo, Myunglae Jo,* Youngwook Kim*, Minkyung Jung*, 'On-Chip Superconducting GHz RF Reflectometry of the Capacitance Response in Bilayer Graphene" arXiv: 2606:14431 (2026) LINK †co-first author

Seungwoo Lee†, Minjun Park†, Yunsang Noh†, Sung Jin An†, Soyun Kim, Minseo Cho, Dohun Kim, Takashi Taniguchi, Kenji Watanabe, Minkyung Jung*, and Youngwook Kim*, "Gate-Reconfigurable Single- and Double-Dot Transport in Trilayer MoSe2" arXiv: 2604.12510 (2026) LINK †co-first author

Dohun Kim†, Junsik Choe†, Takash Taniguchi, Kenji Watanabe, Gil Young Cho, and Youngwook Kim*, "Remote Moiré Modulation of Decoupled Dirac Subsystems in Twisted Trilayer Graphene" arXiv: 2604.12614 (2026) LINK †co-first author

Johannes Geurs, Youngwook Kim, Kenji Watanabe, Takashi Taniguchi, Pilkyung Moon, and Jurgen H. Smet*, "Rectification by Hydrodynamic Flow in an Encapsulated Graphene Tesla Valve " arXiv:2008.04862 (2020) LINK

Published

38. Claudia Ojeda-Aristizabal, Xiaohu Zheng, Changsong Xu, Zohar Nussinov, Yukitoshi Motome, Arnab Banerjee, Adam W. Tsen, Michael Knap, Rui-Rui Du, Gajadhar Joshi, Andy Mounce, Youngwook Kim, Benjamin M. Hunt, Dmitry Shcherbakov, Boyi Zhou, Ran Jing, Mengkun Liu, Hui Zhao, Martin Claassen, Onur Erten, Yong P. Chen, and Erik A. Henriksen,“Lessons from α-RuCl3 for Pursuing Physics of Quantum Spin Liquid in Atomically Thin Materials” Journal of Physics: Condensed Matter for Topical Review doi.org/10.1088/1361-648X/ae7cc8 (2026) LINK

37. Cheong-Eung Ahn, Gyeoul Lee, Donghae Seo, Youngwook Kim, and Gil Young Cho*, "Superconductivity Proximate to Non-Abelian Fractional Spin Hall Insulator in Twisted Bilayer MoTe2" Nature Communications doi.org/10.1038/s41467-026-73777-8 (2026) LINK

36. Dohun Kim†, Gyeoul Lee†, Nicolas Leconte, Seyoung Jin, Takash Taniguchi, Kenji Watanabe, Jeil Jung, Gil Young Cho*, and Youngwook Kim*, "Correlated Interlayer Quantum Hall State in Large-Angle Twisted Trilayer Graphene" Nano Letters 26, 231-237 (2026) †co-first author LINK

35. Soyun Kim, Jo Hyun Yun, Jusik Choe, Dohun Kim, Takash Taniguchi, Kenji Watanabe, Joseph Falson, Jun Sung Kim, Kyung-Hwan Jin, Gil Young Cho*, and Youngwook Kim*, "Ferroelectric Switching of Interfacial Dipoles in α-RuCl3/Graphene Heterostructure" Nature Communications 17, 1306 (2026) LINK

34. Dohun Kim†, Seyoung Jin†, Takash Taniguchi, Kenji Watanabe, Jurgen H. Smet, Gil Young Cho*, and Youngwook Kim*, "Observation of 1/3 Fractional Quantum Hall Physics in Balanced Large Angle Twisted Bilayer Graphene" Nature Communications 16, 179 (2025) †co-first author LINK

33. Cheong-Eung Ahn†, Wonjun Lee†, Kunihiro Yananose, Youngwook Kim, and Gil Young Cho*, "Non-Abelian Fractional Quantum Anomalous Hall States and First Landau Level Physics in Second Moiré Band of 2.1◦ Twisted Bilayer MoTe2" Physical Review B 110, L161109 (2024) Featured in Physics, Editors's suggestion †co-first author LINK

32. Youngwook Kim* "Breaking Barriers by Interfacial Charge Transfer" -News & View, Nature Nanotechnology 19, 882 (2024) LINK

31. Jin-Woo Jung, Hyeon-Seo Choi, Young-Jun Lee, Takashi Taniguchi, Kenji Watanabe, MinYeong Choi, Jae Hyuck Jang, Hee-Suk Chung, Dohun Kim, Youngwook Kim, and ChangHee Cho* "Defect Passivation of Two-Dimensional Semiconductors by Fixating Chemisorbed Oxygen Molecules via h-BN Encapsulations" Advanced Science 11, 23101977 (2024) LINK

30. Pilkyung Moon†, Youngwook Kim†, Mikito Koshino†, Takashi Taniguchi, Kenji Watanabe, and Jurgen H. Smet* "Non-linear Landau Fan Diagram for Graphene Electrons Exposed to a Moiré Potential" Nano Letters 24, 3339-3346 (2024) †co-first author LINK Chosen for the Cover Article

29. Dohun Kim, Soyun Kim, Yanni Cho, Jaesung Lee, Kenji Watanabe, Takashi Taniguchi, Minkyung Jung, Joseph Falson, and Youngwook Kim* "Full-dry Flipping Transfer Method for van der Waals Heterostructure" Current Applied Physics 59, 165-168 (2024) LINK

28. Soyun Kim†, Jeonghoon Hong†, Kenji Watanabe, Takashi Taniguchi, Joseph Falson, Jeongwoo Kim*, and Youngwook Kim* "Spin and Valley Polarized Multiple Fermi Surfaces of α-RuCl3/Bilayer Graphene Heterostructure" Applied Physics Letters 123, 173101 (2023) †co-first author LINK

27. Soyun Kim†, Dohun Kim†, Kenji Watanabe, Takashi Taniguchi, Jurgen. H. Smet, and Youngwook Kim* "Orbitally Controlled Quantum Hall State in Decoupled Two-Bilayer Graphene Sheets" Advanced Science 10, 2300574 (2023) †co-first author LINK

26. Dohun Kim†, Byungmin Kang†, Yong-Bin Choi, Kenji Watanabe, Takashi Taniguchi, Gil-Ho Lee, Gil Young Cho*, and Youngwook Kim* "Robust Interlayer-Coherent Quantum Hall States in Twisted Bilayer Graphene" Nano Letters 23, 163-169 (2023) †co-first author LINK

25. Du hyung Kim, Minsik Kong, Myeongjun Kang, Minjae Kim, Seohee Kim, Youngwook Kim, Sangmoon Yoon, and Jong Mok Ok*, "Growth of Delafossite CuAlO2 Single Crystals in a Reactive Crucible" Journal of Physics : Condensed Matter 35, 024002 (2023) LINK

24. Minsik Kong, Sang-Eon Park, Hye Jung Kim, Sehwan Song, Dong-Choon Ryu, Baekjune Kang, Changhee Sohn, Hyun Jung Kim, Youngwook Kim, Sangmoon Yoon, Ara Go, Hyoungjeen Jeen, Sungkyun Park, Se-Young Jeong, Chang-Jong Kang*, and Jong Mok Ok*, "Preparation of Large Cu3Sn Single Crystal by Czochralski Method" Journal of Korean Physical Society 81,658–663 (2022) LINK

23. Youngwook Kim* "Chapter 3. Electronic Transport in Graphene in Graphene 2nd Edition: Properties, Preparation, Characterization and Applications" doi.org/10.1016/B978-0-08-102848-3.00004-9 (2021) LINK (For book) LINK (Only for this chapter)

22. Youngwook Kim, Pilkyung Moon, Kenji Watanabe, Takashi Taniguchi, and Jurgen H. Smet* "Odd Integer Quantum Hall States with Interlayer Coherence in Twisted Bilayer Graphene" Nano Letters 21, 4249–4254 (2021) LINK

21. Nathan Chejanovsky, Amlan Mukherjee, Jianpei Geng, Yu-Chen Chen, Youngwook Kim, Andrej Denisenko, Amit Finkler*, Takashi Taniguchi, Kenji Watanabe, Durga Bhaktavatsala Rao Dasari, Philipp Auburger, Adam Gali, Jurgen H. Smet and Jörg Wrachtrup*, "Single Spin Resonance in a van der Waals Embedded Paramagnetic Defect" Nature Materials 20, 1079-1084 (2021) LINK

20. Myoung-Jae Lee*, David H. Seo, Sung Min Kwon, Dohun Kim, Youngwook Kim, Won Seok Yun,Jung-Hwa Cha, Hyeon-Kyo Song, Shinbuhm Lee, Minkyung Jung, Hyeon-Jun Lee, June-Seo Kim, Jae Sang Heo, Sunae Seo, and Sung Kyu Park*, "Measurement of Exciton and Trion Energies in Multi-Stacked hBN/WS2 Coupled Quantum Wells for Resonant Tunneling Diodes" ACS Nano 14, 16114-16121 (2020) LINK

19. Aviram Uri, Youngwook Kim, Kousik Bagani, Cyprian K. Lewandowski, Sameer Grover, Nadav Auerbach, Ella O. Lachman, Yuri Myasoedov, Takasi Taniguchi, Kenji Watanabe, Jurgen H. Smet, and Eli Zeldov*, “Nanoscale Imaging of Equilibrium Quantum Hall Edge Currents and of the Magnetic Monopole Response in Graphene" Nature Physics 16, 164-170 (2020) LINK

18. Youngwook Kim† Patrick Heringer†, Kenji Watanabe, Takashi Taniguchi, and Jurgen H. Smet* “Reliable Postprocessing Improvement of van der Waals Heterostructures” ACS Nano, 13, 14182-14190 (2019) †co-first author LINK

17. Soudabeh Mashhadi†*, Youngwook Kim†, Jeongwoo Kim, Daniel Weber, Takashi Tanaguchi, Kenji Watanabe, Noejung Park, Bettina Lotsch, Jurgen H. Smet, Marko Burghard, and Klaus Kern, “Spin-split Band Hybridization in Graphene Proximitized with a-RuCl3 Nanosheets” Nano Letters 19, 4659-4665 (2019) †co-first author LINK

16. Junhong Na, Youngwook Kim, Jurgen H. Smet, Marko Burghard*, and Klaus Kern*, “Gate-tunable Tunneling Transistor Based on a Thin Black Phosphorus/SnSe2 Heterostructure” ACS Applied Materials & Interfaces 11, 20973−20978 (2019) LINK

15. Youngwook Kim†, Ajit C. Barlram†, Kenji Watanabe, Takasi Taniguchi, Jainandra .K. Jain and Jurgen H. Smet*. “Even-denominator Fractional Quantum Hall States in Higher Landau Levels of Graphene” Nature Physics 15, 154-158 (2019) †co-first author LINK

14. Sahng-Kyoon Jerng, Jae Ho Jeon, Youngwook Kim, Jun Sung Kim, and Seung-Hyun Chun* “Multiple Surface Conduction Channels via Topological Insulator and Amorphous Insulator Thin Film Multi-stacks” Current Applied Physics 19, 219-223 (2019) LINK

13. Nathan Chejanovsky, Youngwook Kim, Andrea Zappe, Benjamin Stuhlhofer, Takashi Taniguchi, Kenji Watanabe, Duga Bhaktavatsala, Rao Dasari, Amit Finkler*, Jurgen Smet, and Jörg Wrachtrup* “Quantum Light in Curved Low Dimensional Hexagonal Boron Nitride Systems” Scientific Report 7, 14758 (2017) LINK

12. Youngwook Kim, Jaesung Park, Intek Song, Jong Mok Ok, Kenji Watanabe, Takashi Taniguchi, Hee Cheul Choi, Dong Su Lee, Suyong Jung, and Jun Sung Kim* “Broken-Symmetry Quantum Hall States in Twisted Bilayer Graphene” Scientific Report 6, 38068 (2016) LINK

11. Nathan Chejanovsky, Mohammad Rezai, Federico Paolucci, Youngwook Kim, Torsten Rendler , Wafa Rouabeh, Felipe Fávaro de Oliveira, Farida Shagieva, Andrej Denisenko, Sen Yang, Ilja Gerhardt, Roman Kolesov, Amit Finkler*, Jurgen Smet, and Jörg Wrachtrup* “Structual Attributes and Photo-Dynamics of Visible Spectrum Quantum Emitters in hexagonal Boron Nitride” Nano Letters 16, 7037-7045 (2016) LINK

10. So Young Kim, Youngwook Kim, Chang-Jong Kang, Hyoung Kug Kim, Man Jin Eom, Eun-Su An, Min Kyung Lee, Chibeom Park, Tae Hwan Kim, Hee Cheul Choi, Byung Il Min, and Jun Sung Kim* “Layer-Confined Excitonic Insulating Phase in Ultrathin Ta2NiSe5 Crystals” ACS Nano 10, 8888-8894 (2016) LINK

9. Youngwook Kim, Patrick Heringer, Pilkyung Moon, Mikito Koshino, Kenji Watanabe, Takasi Taniguchi, and Jurgen H. Smet* “Charge Inversion and Topological Phase Transition at a Twist Angle Induced van Hove Singularity of Bilayer Graphene” Nano Letters 16, 5053–5059 (2016) LINK

8. Yong Hyeon Kim, So Young Kim, Youngwook Kim, Jong Mok Ok, Changil Kwon, Sang Wook Lee, and Jun Sung Kim* “Simple Fabrication Method for Atomically-thin Crystal Devices with Polymer Passivation” Synthetic Metals 216, 98-102 (2016) LINK

7. W. S. Kyung, Y. K. Kim, G. R. Han, C. S. Leem, Chul Kim, Y. Y. Koh, Youngwook Kim, J. S. Kim, K. S. Kim, E. Rotenberg, J. D. Denlinger, and C. Kim* “kz-dependent Electronic Structure Studies of CaC6 and Inter-layer State Driven Superconductivity” Physical Review B 92, 224516 (2015) LINK

6. Youngwook Kim†, Dong Su Lee†, Suyoung Jung, Viera Skákalová, T. Taniguchi, K. Watanabe, Jun Sung Kim*, and Jurgen H. Smet* “Fractional Quantum Hall States in Bilayer Graphene Probed by Transconductance Fluctuations” Nano Letters 15, 7445-7451 (2015) †co-first author LINK

5. Namdong Kim, Paengro Lee, Youngwook Kim, Jun Sung Kim, Yongsam Kim, Do Young Noh, Seong Uk Yu, Jinwook Chung, and Kwang S. Kim* “Persistent Topological Surface State at the Interface of Bi2Se3 Film Grown on Patterned Graphene” ACS Nano 8, 1154-1160 (2014) LINK

4. Sahng-Kyoon Jerng, Kisu Joo, Youngwook Kim, Sang-Moon Yoon, Jae Hong Lee, Miyoung Kim, Jun Sung Kim, Euijoon Yoon, Seung-Hyun Chun*, and Yong Seung Kim* “Ordered Growth of Topological Insulator Bi2Se3 Thin Films on Dielectric Amorphous SiO2 by MBE” Nanoscale 5, 10618 (2013) LINK

3. Hyungki Kim, Intek Song, Chibeom Park, Minhyeok Son, Misun Hong, Youngwook Kim, Jun Sung Kim, Hyun-Joon Shin, Jaeyoon Baik, and Hee Cheul Choi* “Copper-Vapor-Assisted Chemical Vapor Deposition for High-Quality and Metal-Free Single-Layer Graphene on Amorphous SiO2 Substrate” ACS Nano 7, 6575-6582 (2013) LINK

2. Youngwook Kim, Hoyeol Yun, Seung-Geol Nam, Minhyeok Son, Dong Su Lee, Dong Chul Kim, S. Seo, Hee Cheul Choi, Hu-Jong Lee, Sang Wook Lee*, and Jun Sung Kim* “Breakdown of the Interlayer Coherence in Twisted Bilayer Graphene” Physical Review Letters 110, 096602 (2013) LINK

1. Seung-Geol Nam, Dong-Keun Ki, Jong Wan Park, Youngwook Kim, Jun Sung Kim, and Hu-Jong Lee* “Ballistic Transport of Graphene pnp Junctions with Embedded Local Gates” Nanotechnology 22, 415203 (2011) LINK