Education
[2] Ulsan National Institute of Science and Technology, Ulsan, Republic of Korea (03/2014 – 02/2020)
- Ph.D. in Physics (Dissertation: Ballistic Carrier Transport Through Graphene: Out-of-Plane and In-Plane Aspects)
[1] Ulsan National Institute of Science and Technology, Ulsan, Republic of Korea (03/2010 – 11/2013)
- B.S. in Device Physics & Mechanical System Design and Manufacturing (Double Major)

Honors and Awards
[16] PIERS Young Scientist Award from the PhotonIcs and Electromagnetics Research Symposium (07/2026)
[15] 2DM Emerging Young Scientist Award from the Journal《2D Materials》by IOP Publishing (04/2025)
[14] Academy Research Fellowship (Grant: 348920) from the Academy of Finland (09/2022 – 08/2025)
[13] Oral Presentation Award at the Korean Physical Society Spring Meeting from the Korean Physical Society (04/2019)
[12] Grand Presentation Award at the Global Ph.D. Fellows Symposium from the National Research Foundation of Korea (11/2018)
[11] Poster Presentation Award at the Korean Physical Society Branch Meeting from the Korean Physical Society (06/2018)
[10] Poster Presentation Award at the Global Ph.D. Fellows Symposium from the National Research Foundation of Korea (12/2017)
[9] Oral Presentation Award at the Global Ph.D. Fellows Symposium from the National Research Foundation of Korea (12/2016)
[8] Global Ph.D. Fellowship (Grant: 2015H1A2A1033714) from the National Research Foundation of Korea (03/2015 – 02/2020)
[7] Poster Presentation Award at the Korean Physical Society Spring Meeting from the Korean Physical Society (04/2015)
[6] Valedictorian at Commencement Ceremony Selected to Deliver the Graduation Speech (02/2014)
[5] Excellence Award for the Undergraduate Research Program from the Korea Foundation for the Advancement of Science and Creativity (12/2012)
[4] Oral Presentation Award at the Physics Festival & Contest from the Samsung Advanced Institute of Technology (08/2012)
[3] National Scholarship (Admission Fee & Full Tuition) from the National Research Foundation of Korea (03/2010 – 02/2014)
[2] Science & Technology Club Support Project from the Korean Federation of Science and Technology Societies (09/2011 – 08/2013)
[1] Science-Gifted Student Affiliated with the Korea Daegu City Office of Education (04/2004 – 02/2006)

Professional Services
Editor Service Contributions
[1] Guest Editor for IEEE Journal of Selected Topics in Quantum Electronics (Special Issue on Multidimensional Optoelectronic Sensing and Imaging Technology)
https://ieeephotonics.org/publications/journal-of-selected-topics-in-quantum-electronics/
https://jcr.clarivate.com/jcr-jp/journal-profile?journal=IEEE%20J%20SEL%20TOP%20QUANT&year=2024&fromPage=%2Fjcr%2Fbrowse-journals
Peer Review Contributions
[22] Reviewer for Nature Sensors
[21] Reviewer for Nature Communications
[20] Reviewer for Laser & Photonics Reviews
[19] Reviewer for Advanced Functional Materials
[18] Reviewer for ACS Nano
[17] Reviewer for Small
[16] Reviewer for IEEE Transactions on Electron Devices
[15] Reviewer for Applied Physics Reviews
[14] Reviewer for Advanced Optical Materials
[13] Reviewer for Advanced Theory and Simulations
[12] Reviewer for ACS Applied Electronic Materials
[11] Reviewer for Small Structures
[10] Reviewer for Scientific Reports
[9] Reviewer for Current Applied Physics
[8] Reviewer for Infrared Physics and Technology
[7] Reviewer for Surfaces and Interfaces
[6] Reviewer for Optics Communications
[5] Reviewer for Optics and Lasers in Engineering
[4] Reviewer for Optics and Laser Technology
[3] Reviewer for Discover Electronics
[2] Reviewer for Journal of Materials Science - Materials in Electronics
[1] Reviewer for IEEE International Conference on Nanotechnology
Academic Conference Contributions
[14] Technical Program Committee (Next-Generation Semiconductor Division), 18th International Conference on Recent Progress in Graphene and 2D Materials Research (RPGR 2027), Korea Graphene Society.
[13] Technical Program Committee, 2027 International Conference on Optical MEMS and Nanophotonics (OMN 2027).
[12] Subcommittee Member (Optical Devices Division), Photonics Conference 2026 (PC 2026), Optical Society of Korea.
[12] Session Chair, 22nd International Symposium on the Physics of Semiconductors and Applications (ISPSA 2026), Jeju, Republic of Korea, June 29th, July 1st, July 2nd, 2026.
[11] Session Chair, Korean Physical Society Spring Meeting, Daejeon, Republic of Korea, April 24th, 2026.
[10] Steering Committee Member, 13th Korean Symposium on Graphene and 2D Materials, Korea Graphene Society.
[9] Program Committee Member (2D Semiconductors & Sensors and Flexible Electronics Divisions), 22nd International Symposium on the Physics of Semiconductors and Applications (ISPSA 2026), Korean Physical Society.
[8] Poster Presentation Session Judge, 14th International Conference on Advanced Materials and Devices (ICAMD 2025), Busan, Republic of Korea, December 8th, 2025.
[7] Poster Presentation Session Judge, Korean Physical Society Fall Meeting, Gwangju, Republic of Korea, October 22nd, 2024.
[6] Program Committee Member, 25th Optical Internet Workshop (OIW2025), Optical Society of Korea.
[5] Program Committee Member, 24th Optical Internet Workshop (OIW2024), Optical Society of Korea.
[4] Session Organizer, 24th Optical Internet Workshop (OIW2024), Jeju, Republic of Korea, October 31st and November 1st, 2024.
[3] Session Chair, 11th Korean Symposium on Graphene and 2D Materials, Busan, Republic of Korea, July 11th, 2024.
[2] Poster Presentation Session Judge, Korean Physical Society Spring Meeting, Daejeon, Republic of Korea, April 24th, 2024.
[1] Session Organizer and Chair (Two-Dimensional and Nanomaterials, their Fundamentals and Applications), 2022 Europe-Korea Conference on Science and Technology, Marseille, France, July 21st, 2022.

Research Projects
[24] Industry-Academia Project, Graduate School of Advanced Semiconductor Engineering, Semiconductor Convergence Institute from the Ministry of Trade, Industry, and Energy of the Korean Government (11/2026 – 10/2027)
Logic, Memory, and Optical Sensor Devices Based on Wafer-Scale Two-Dimensional Semiconductor Thin Films
Grant Awarded as a Principal Investigator
This project is carried out jointly with TDS Innovation Inc. to develop process recipes and improve deposition equipment based on the specific properties and process requirements of two-dimensional semiconductor thin films for electronic and optoelectronic device applications, laying the foundation for future collaboration.
[23] International Cooperation Program – 2026 Korea-Finland Joint Research Programme from the Ministry of Science and ICT of the Korean Government (10/2026 – 09/2029)
Magnetic-Field-Free Josephson Diodes Based on van der Waals Superconductors and Topological Insulators
Grant Awarded as a Principal Investigator
This project is carried out jointly with Prof. Pertti Hakonen's group in the Department of Applied Physics at Aalto University and is supported by the Suomen Akatemia, i.e., the Research Council of Finland (RCF).
[22] Growth of Industrial Innovation Talent Support Project – ​​Education & Training from the Ministry of Trade, Industry, and Energy of the Korean Government (03/2026 – 02/2031)
Specialized Graduate Schools in High-Tech Industries Support Project – Semiconductor
As part of this project, we are participating in the Graduate School of Advanced Semiconductor Engineering associated with the GIST-Arm School.
[21] ETRI Institute Strategic Developer from the Ministry of Science and ICT of the Korean Government (01/2026 – 12/2030)
Development of Spectral Reconstruction Technology Based on Miniaturized Computational Spectroscopic Sensors Aligned with Optical Fiber Bundles
Grant Awarded as a Principal Investigator
[20] GIST Institute Strategic Developer from the Ministry of Science and ICT of the Korean Government (04/2026 – 12/2030)
Development of Sensory-Neuromorphic Intelligent Integrated Semiconductor Systems for Next-Generation Mobility
[19] GIST Global Value-Up 10X Project from the GIST (03/2026 – 12/2030)
Development of Highly-Coherent Ultra-Miniaturized Superconducting Transmon Qubits Based on van der Waals Dual Josephson Junctions
Grant Awarded as a Principal Investigator
[18] Samsung Electronics Device Solutions Division Strategic Industry-Academic Project from Samsung Electronics Co., Ltd. (10/2025 – 09/2030)
μLED-Based Laserless, Modulatorless, Wavelength-Division Multiplexed Hyper-Parallel Co-Packaged Optics
Grant Awarded as a Principal Investigator
[17] Basic Research Support Program – Excellent Early-Career Global Collaborative Research Program from the Ministry of Science and ICT of the Korean Government (03/2025 – 02/2030)
Low-Power, High-Bandwidth, High-Temperature Tolerant, Monolithically Integrated Optoelectronic Transceiver-Based Interconnect Enabling Wavelength Division Multiplexing without Photonic Circuits for Artificial Intelligence Hyper-Acceleration
Grant Awarded as a Principal Investigator
[16] GIST Future-Leading Specialized Research Project from the GIST (01/2025 – 12/2026)
Development of Post-Process Interconnect and Monolithic-3D-Integration for Optical-Synapse Device-Based Intelligent Semiconductors
[15] AI-Based GIST Research Scientist Project from the GIST (01/2025 – 12/2025)
AI Semiconductors: AI for Devices and Devices for AI
Grant Awarded as a Principal Investigator
[14] Commissioned Research Project from the Electronics and Telecommunications Research Institute (09/2024 – 11/2025)
Establishment of Experimental Environment and Data Acquisition for Single-Pixel Spectral Imaging
Grant Awarded as a Principal Investigator
[13] Science and Technology Innovation Talent Training Project from the Ministry of Science and ICT of the Korean Government (07/2024 – 12/2030)
Semiconductor Advanced Packaging Specialist Training Project
Consortium with Chosun University, Chonnam National University, Inha University, and 18 Advanced Packaging Small and Medium-Sized Enterprises.
[12] Industrial Strategic Technology Development Program from the Ministry of Trade, Industry, and Energy of the Korean Government (07/2024 – 12/2028)
Development of Low CO2 Emission Mn, Si, Cr, and Ni-Containing Multicomponent Ferroalloys Using Metal Byproducts
Grant Awarded as a Principal Investigator
Consortium with the Research Institute of Industrial Science & Technology.
[11] AI-Based GIST Research Scientist Project from the GIST (01/2024 – 12/2024)
Artificial Intelligence Built-in Sensors: Miniaturized and All-in-One Spectrometers Without the Need for Separate Light Source and Diffraction Grating
Grant Awarded as a Principal Investigator
[10] New Faculty Settlement Project from the GIST (12/2023 – 11/2025)
More Than Moore: Quantum Material Interfaces and Nano Devices
Grant Awarded as a Principal Investigator
[9] Academy Research Fellowship from the Academy of Finland (09/2022 – 10/2022)
Single-Junction Broadband Spectrometers
Individual Grant Awarded as a Principal Investigator
[8] Advanced Grants from the European Research Council (09/2020 – 10/2022)
ATOP: Atomically-Engineered Nonlinear Photonics with Two-Dimensional Layered Material Superlattices
[7] Centre of Excellence in Quantum Technology Finland from the Academy of Finland (09/2020 – 08/2022)
Hybrid Architectures / Enabling Technologies / Exploring Unconventional Concepts for Future Quantum Technologies
[6] Horizon Research and Innovation Program from the European Commission (09/2020 – 03/2022)
S2QUIP: Scalable Two-Dimensional Quantum Integrated Photonics
[5] Global Ph.D. Fellowship from the National Research Foundation of Korea (03/2015 – 02/2020)
Conductance Switching of Supercollimated Dirac Electrons by All-Electrically-Controlled Quantum Interference
Individual Grant Awarded as a Principal Investigator
[4] Basic Research Support Program – Mid-Career Research Program from the Ministry of Science and ICT of the Korean Government (06/2016 – 05/2019)
Carrier Transport of Graphene Quantum-Device Formed by Selective Fluorination and Its Application for Ferroelectric Memory
[3] Nuclear Energy Research Infrastructure Program from the National Research Foundation of Korea (06/2015 – 05/2017)
Development of Graphene/Nanowire Hybrid Thin Film on the Surface of SiC Through Electron Beam Irradiation and Creating Localized Point Defects with Electron Spin Unfaired Inside Hexagonal-SiC Substrates
[2] Basic Research Support Program – General Research Program from the Ministry of Science and ICT of the Korean Government (06/2013 – 05/2016)
Influence of Electron-Hole Puddle to Charge Carrier Transport at Graphene/(Semiconductor, Insulator) Interface Studied by Ballistic Electron/Hole Emission Spectroscopy
[1] Undergraduate Research Program from the Korea Foundation for the Advancement of Science and Creativity (05/2012 – 10/2012)
Charge Carrier Transport through Graphene/Semiconductor Interface Studied by Internal Photoemission

Technical Skills (Before GIST)
[1] Equipment Set-Up: Independently built several measurement systems in the starting lab.
- Internal photoemission (IPE) spectroscopy system consisting of Xenon arc lamp (Newport, 6258 / 6259), lamp power supply (Newport, 69911), power cable (Newport, 70050), lamp housing (Newport, 66902), Ozone eater (Newport, 66087), Ozone exhauster (Newport, 66090), optical filter (Newport, 51352 for 830 nm / 51320 for 630 nm / 51272 for 400 nm / 51250 for 309 nm), monochromator (Oriel, Cornerstone 260 1/4), grating (Newport, 74160 for 600 lines/mm in 600~2500 nm / 74167 for 2400 lines/mm in 180~700 nm), optical fiber (Newport, 77634 in 400~1700 nm / 76840 in 500~250 nm),  slit controller (Newport, 74001), optical lens (Newport, SPX011 plano-convex lens for conversion of dispersed light into parallel light / Newport, SBX016 bi-convex lens for focusing of parallel light), lens holder, InGaAs photodiode (Hamamatsu Photonics, G9230-01 in 950~1550 nm) Si photodiode (Hamamatsu Photonics, S2281-04 in 200~1180 nm), low-noise current pre-amplifier (SR570), probe station, and data acquisition card (National Instruments).
- Current-voltage (I–V) measurement system (2-terminal & 3-terminal) with SMU (Keithley, 2636A).
- Capacitance-voltage (C–V) measurement system with precision LCR meter (Agilent, E4980A).
- Cryogenic measurement system with helium compressor (Trillium, 125 / Lakeshore, CRX-4K).
- Photocurrent mapping system with scanning near-field optical microscopy (WITec alpha300).
[2] Electrical/Optoelectrical/Photonic Measurement: I–V measurement, C–V measurement, Cryogenic measurement, Temperature-dependent electrical characterization, IPE spectroscopy, Photocurrent mapping, Photoresponse/switching characterization, Photoluminescence spectroscopy (WITec alpha300 RA+), Continuous-wave laser (WITec focus innovations, Thorlabs MCLS1, Photonetics), Pulsed laser (home-built femtosecond laser).
[3] Material Processing: CMOS-compatible material (Si, SiO2), Wide bandgap semiconductor (SiC), III-V semiconductor (GaAs), High-k dielectric insulator (Al2O3, HfO2), Nanowire and nanotube-like one-dimensional materials (SW/DWCNTs), Graphene and graphene-like two-dimensional materials (Graphene, h-BN, TMDs, BP, InSe, MXenes, etc.), Topological quantum materials (topological insulator: Bi2Se3, Mott insulator: TaS2, etc.).
[4] Wafer Prep: Chemical mechanical polishing (Logitech, ORBIS), RCA Cleaning, native oxide etching, Ohmic contact formation, Backside contact, etc.
[5] Van der Waals integration: Dry transfer, Semi-dry transfer, Wet transfer. Exfoliation, Heterostructure integration.
[6] Etching: Reactive ion etching (TTL, Labstar / TTL, FABstar / Oxford Instruments, Plasmalab 80Plus / Oxford Instruments, PlasmaPro 100 Estrelas), Wet etching (selective etching, diluted etching, dipping, etc).
[7] Deposition/Growth: E-beam evaporation (MASA, IM-9912 / Temescal, FC-2000 / Angstrom Engineering, 09340), Atomic layer deposition (Beneq, TFS-500 / Lucida D100), Plasma enhanced chemical vapor deposition (Oxford Instruments, Plasmalab 80Plus), Sputtering (Oxford Instruments, Plasmalab 400 / Hitachi, E-1045).
[8] Patterning: E-beam lithography (Vistec, EPBG5000pES / NBL, NB3), Photolithography (Suss Microtec, MA/BA6-8).
[9] Annealing: Rapid thermal annealing (Foton-6), Rapid thermal processing (Jipelec), Furnace PEO (PEO-601/ATV).
[10] Structure Analysis: Scanning confocal Raman spectroscopy (WITec alpha300 RA+), Scanning electron microscopy (Hitachi High-Technologies, S-4800 / FEI, Helios Nanolab600), Spectroscopic ellipsometer (Semilab, SE-2000), Ellipsometer (Elipso Technology, Elli-SE-UaM8), Atomic force microscopy (Bruker, Dimension Icon).
[11] Bonding: Wire bonder (TPT, HB02), Wire bonder (Delvotec, 53XX), Wire bonder (FS bondtec, 5330).
[12] Dicing: Dicing saw (Disco, DAD3220 / Aaron, AR06DM).
[13] Program: Labview, Latex, NanoScope Analysis, Project FIVE, Gwyddion, DesignCAD, AutoCAD, KLayout, Matlab, COMSOL, Origin, Illustrator, Photoshop, EndNote, Word, PowerPoint, Excel.
[14] Calculation: Energy band alignments across the interface, Fermi-level pinning effect depending on interface-trap charge density and dipole charge density, Parallel conduction model for an inhomogeneous junction, Areal fraction of low-barrier patches, Time-evolving probability density of electron wave packets in graphene under superlattice potential, Ballistic carrier transport of injected hot electrons into interface or subsurface.

Teaching Skills
Lecturer
[10] Advanced Semiconductor Devices (09/2026 – 12/2026) SE5001 & EC4312
[9] Semiconductor Device Processing (03/2026 – 06/2026) SE6105 & EC6105
[8] Semiconductor Engineering Colloquium & Electrical Engineering and Computer Science Colloquium (03/2026 – 06/2026) SE5000 & EC5001
[7] Advanced Semiconductor Devices (09/2025 – 12/2025) SE5001 & EC4312
[6] Semiconductor Manufacturing Process Technology (09/2025 – 12/2025) EC4308
[5] Optoelectronics (03/2025 – 06/2025) SE6102 & EC6102
[4] GIST Freshman Class (03/2024 – 06/2024) GS1901-23
[3] Advanced Semiconductor Devices (09/2024 – 12/2024) SE5001 & EC4312
[2] Optoelectronics (03/2024 – 06/2024) SE6102 & EC6102
[1] GIST Freshman Class (03/2024 – 06/2024) GS1901-21
Teaching Assistant
[17] Advanced Placement Course of General Physics (07/2017 – 01/2018)
[16] General Physics Lab (08/2016 – 12/2016)
[15] Advanced Placement Course of General Physics (07/2016 – 01/2017)
[14] Electromagnetism 1 (03/2016 – 06/2016)
[13] Advanced Placement Course of General Physics (07/2015 – 01/2016)
[12] Mathematical Physics 1 (08/2015 – 12/2015)
[11] Mathematical Physics 2 (03/2015 – 06/2015)
[10] Advanced Placement Course of General Physics (07/2014 – 01/2015)
[9] Modern Physics (09/2014 – 12/2014)
[8] Quantum Mechanics 1 (03/2014 – 06/2014)
[7] Modern Physics (08/2013 – 12/2013)
[6] General Physics 1 (03/2013 – 06/2013)
[5] General Physics 2 (08/2012 – 12/2012)
[4] General Physics 1 (03/2012 – 06/2012)
[3] Korea International Mathematics Tournament of the Towns (07/2011 – 08/2011)
[2] Advanced Placement Course of General Physics (01/2011 – 02/2011)
[1] General Physics for International Students (12/2010 – 02/2011)
Tutoring
[3] Prep: UNIST Admission Office Mentoring Program (03/2012 – 02/2014)
[2] Help Room: General Physics (09/2010 – 06/2012)
[1] Help Room: Calculus (03/2010 – 06/2010)

Links
[1] National Researcher Number: 11465648
https://www.iris.go.kr/mbrs/srch/retrieveSrchNumInfo.do
[2] ORCID: 0000-0002-4081-3343
https://orcid.org/0000-0002-4081-3343
[3] Scopus: 59654784500
https://www.scopus.com/authid/detail.uri?authorId=59654784500
[4] Web of Science Researcher: X-8475-2019
https://www.webofscience.com/wos/author/record/X-8475-2019
[5] Google Scholar
https://scholar.google.co.kr/citations?user=IQpA6k0AAAAJ
[6] Researchgate
https://www.researchgate.net/profile/Hoon-Hahn-Yoon
https://www.researchgate.net/lab/QuantumMaterialsInterfaces-andNanoDevices-Laboratory-Hoon-Hahn-Yoon
[7] Linkedin
https://www.linkedin.com/in/hoon-hahn-yoon-a317081ba
[8] Slack
https://qmindhq.slack.com/

Other Activities
[1] Academic Activity in Finland
Vice President of the Society of Korean Scientists and Engineers in Finland (2021 – 2022)
https://www.kosesfi.org
[2] Academic Activity in Europe
Session Organizer of the Europe-Korea Conference on Science and Technology (2022)
https://www.ekc2022.org
[3] Society of Global Ph.D. Fellows Activity
Board Committee of Global Ph.D. Fellowship Society (2015 – 2019)
[4] Alumni Network Activity
President of UNIST Alumni Association (2016 – 2019)
http://alumni.unist.ac.kr
[5] Student Council Activity
President of UNIST Graduate Student Association (2016 – 2017)
https://www.facebook.com/gsaunist
[6] Social Activity
Member of the National Unification Advisory Council in the Republic of Korea (2015)
[7] Summer School Activity
Summer School of Condensed Matter Physics by Korea Physical Society and Korea Institute for Advanced Study (2015)
[8] Club Activity
Vice President of the UNIST Club Association (2012)
https://www.facebook.com/unistclubunion/
President of the UNIST Math & Physics Academic Club (2011)
https://www.instagram.com/unist_eoe/
https://www.facebook.com/eoeunist/