Publications

† indicates equal contribution.

Preprints

Show preprints

Daegeun Jo and Peter M. Oppeneer

Unconventional orbital currents and torques due to ferro-rotational orbital textures

arXiv:2505.04363 (2026)

Nikhil Vijayan, Durgesh Kumar, Ao Du, Mirco Sastges, Lei Gao, Zijie Xiao, Dongwook Go, José Omar Ledesma-Martin, Hai I. Wang, Daegeun Jo, Peter M. Oppeneer, Rahul Gupta, Gerhard Jakob, Sachin Krishnia, Yuriy Mokrousov, and Mathias Kläui

Itinerant Orbital Hall Effect Mechanism Leading to Large Negative Orbital Torques from Light Metal Vanadium

arXiv:2508.16339 (2025)

Sanaz Alikhah, Daegeun Jo, Marco Berritta, and Peter M. Oppeneer

Theory for Magneto-Optical Detection of the Interfacial Orbital Rashba-Edelstein Effect

preprint available at Research Square (2025)

Juan Carlos Idrobo, Ján Rusz, Gopal Datt, Daegeun Jo, Sanaz Alikhah, David Muradas, Ulrich Noumbe, M. Venkata Kamalakar, and Peter M. Oppeneer

Direct observation of nanometer-scale orbital angular momentum accumulation

arXiv:2403.09269 (2024)

Junyeon Kim, Jun Uzuhashi, Dongwook Go, Daegeun Jo, Tadakatsu Ohkubo, Seiji Mitani, Hyun-Woo Lee, and YoshiChika Otani

Emerging effects of oxygen accumulation on orbital torque

preprint available at Research Square (2023)

Peer-Reviewed Articles

2026

Daegeun Jo and Peter M. Oppeneer

Theoretical study of orbital torque: Dependence on ferromagnet species and nonmagnetic layer thickness

Journal of Applied Physics 139, 103907 (2026)

Kai Du, Daegeun Jo, Xianghan Xu, Fei-Ting Huang, Ming-Hao Lee, Ming-Wen Chu, Kefeng Wang, Xiaoyu Guo, Liuyan Zhao, David Vanderbilt, Hyun-Woo Lee, and Sang-Wook Cheong

Electric toroidal invariance generates distinct transverse electromagnetic responses

Nature Physics 22, 61-67 (2026)

2025

Hiroki Hayashi, Jieyi Chen, Daegeun Jo, Shoya Sakamoto, Tenghua Gao, Dongwook Go, Yuriy Mokrousov, Hyun-Woo Lee, Shinji Miwa, and Kazuya Ando

Crystallographic Engineering for Enhanced Orbital Torque

Nano Letters 25, 15124-15129 (2025)

Seungyun Han^†, Daegeun Jo^†, Insu Baek^†, Suik Cheon, Peter M. Oppeneer, and Hyun-Woo Lee

Harnessing Magnetic Octupole Hall Effect to Induce Torque in Altermagnets

Phys. Rev. Lett. 135, 076705 (2025)

Daegeun Jo, Dongwook Go, Yuriy Mokrousov, Peter M. Oppeneer, Sang-Wook Cheong, and Hyun-Woo Lee

Weak Ferromagnetism in Altermagnets from Alternating g-Tensor Anisotropy

Phys. Rev. Lett. 134, 196703 (2025)

2024

Daegeun Jo, Dongwook Go, Gyung-Min Choi, and Hyun-Woo Lee

Spintronics meets orbitronics: Emergence of orbital angular momentum in solids

npj Spintronics 2, 19 (2024)

Hiroyuki Moriya^†, Mari Taniguchi^†, Daegeun Jo^†, Dongwook Go, Nozomi Soya, Hiroki Hayashi, Yuriy Mokrousov, Hyun-Woo Lee, and Kazuya Ando

Observation of Long-Range Current-Induced Torque in Ni/Pt Bilayers

Nano Letters 24, 6459-6464 (2024)

2023

Junyeon Kim, Jun Uzuhashi, Masafumi Horio, Tomoaki Senoo, Dongwook Go, Daegeun Jo, Toshihide Sumi, Tetsuya Wada, Iwao Matsuda, Tadakatsu Ohkubo, Seiji Mitani, Hyun-Woo Lee, and YoshiChika Otani

Oxide layer dependent orbital torque efficiency in ferromagnet/Cu/oxide heterostructures

Phys. Rev. Mater. 7, L111401 (2023)

Young-Gwan Choi^†, Daegeun Jo^†, Kyung-Hun Ko^†, Dongwook Go, Kyung-Han Kim, Hee Gyum Park, Changyoung Kim, Byoung-Chul Min, Gyung-Min Choi, and Hyun-Woo Lee

Observation of the orbital Hall effect in a light metal Ti

Nature 619, 52-56 (2023)

Dongwook Go, Daegeun Jo, Kyoung-Whan Kim, Soogil Lee, Min-Gu Kang, Byong-Guk Park, Stefan Blügel, Hyun-Woo Lee, and Yuriy Mokrousov

Long-Range Orbital Torque by Momentum-Space Hotspots

Phys. Rev. Lett. 130, 246701 (2023)

Hiroki Hayashi, Daegeun Jo, Dongwook Go, Tenghua Gao, Satoshi Haku, Yuriy Mokrousov, Hyun-Woo Lee, and Kazuya Ando

Observation of long-range orbital transport and giant orbital torque

Communications Physics 6, 32 (2023)

2021

Dongwook Go, Daegeun Jo, Hyun-Woo Lee, Mathias Kläui, and Yuriy Mokrousov

Orbitronics: Orbital currents in solids

EPL (Europhysics Letters) 135, 37001 (2021)

Dongjoon Lee, Dongwook Go, Hyeon-Jong Park, Wonmin Jeong, Hye-Won Ko, Deokhyun Yun, Daegeun Jo, Soogil Lee, Gyungchoon Go, Jung Hyun Oh, Kab-Jin Kim, Byong-Guk Park, Byoung-Chul Min, Hyun Cheol Koo, Hyun-Woo Lee, OukJae Lee, and Kyung-Jin Lee

Orbital torque in magnetic bilayers

Nature Communications 12, 6710 (2021)

Dongwook Go, Daegeun Jo, Tenghua Gao, Kazuya Ando, Stefan Blügel, Hyun-Woo Lee, and Yuriy Mokrousov

Orbital Rashba effect in a surface-oxidized Cu film

Phys. Rev. B 103, L121113 (2021)

Kaixuan Zhang, Seungyun Han, Youjin Lee, Matthew J. Coak, Junghyun Kim, Inho Hwang, Suhan Son, Jeacheol Shin, Mijin Lim, Daegeun Jo, Kyoo Kim, Dohun Kim, Hyun-Woo Lee, and Je-Geun Park

Gigantic Current Control of Coercive Field and Magnetic Memory Based on Nanometer-Thin Ferromagnetic van der Waals Fe3GeTe2

Advanced Materials 33, 2004110 (2021)

Junyeon Kim, Dongwook Go, Hanshen Tsai, Daegeun Jo, Kouta Kondou, Hyun-Woo Lee, and YoshiChika Otani

Nontrivial torque generation by orbital angular momentum injection in ferromagnetic-metal/Cu/Al2O3 trilayers

Phys. Rev. B 103, L020407 (2021)

2020

Z. C. Zheng, Q. X. Guo, D. Jo, D. Go, L. H. Wang, H. C. Chen, W. Yin, X. M. Wang, G. H. Yu, W. He, H.-W. Lee, J. Teng, and T. Zhu

Magnetization switching driven by current-induced torque from weakly spin-orbit coupled Zr

Phys. Rev. Research 2, 013127 (2020)

2018

Daegeun Jo, Dongwook Go, and Hyun-Woo Lee

Gigantic intrinsic orbital Hall effects in weakly spin-orbit coupled metals

Phys. Rev. B 98, 214405 (2018)

Dongwook Go, Daegeun Jo, Changyoung Kim, and Hyun-Woo Lee

Intrinsic Spin and Orbital Hall Effects from Orbital Texture

Phys. Rev. Lett. 121, 086602 (2018)