publications

2024

1. Weak Ferromagnetism in Altermagnets from Alternating g-Tensor Anisotropy

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

   arXiv , 2024
2. Harnessing magnetic octupole Hall effect to induce torque in altermagnets

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

   arXiv , 2024
3. Spintronics meets orbitronics: Emergence of orbital angular momentum in solids

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

   npj Spintronics , 2024
4. Observation of Long-Range Current-Induced Torque in Ni/Pt Bilayers

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

   Nano Letters , Jun 2024
5. Direct observation of nanometer-scale orbital angular momentum accumulation

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

   arXiv , Mar 2024

2023

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

   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

   Phys. Rev. Mater. , Nov 2023
2. Observation of the orbital Hall effect in a light metal Ti

   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

   Nature , Jul 2023
3. Long-Range Orbital Torque by Momentum-Space Hotspots

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

   Phys. Rev. Lett. , Jun 2023
4. Observation of long-range orbital transport and giant orbital torque

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

   Communications Physics , Jun 2023
5. Emerging effects of oxygen accumulation on orbital torque

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

   preprint available at Research Square , Jun 2023

2021

1. Orbitronics: Orbital currents in solids

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

   EPL (Europhysics Letters) , Aug 2021
2. Orbital torque in magnetic bilayers

   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

   Nature Communications , Aug 2021
3. Orbital Rashba effect in a surface-oxidized Cu film

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

   Phys. Rev. B , Mar 2021
4. Gigantic Current Control of Coercive Field and Magnetic Memory Based on Nanometer-Thin Ferromagnetic van der Waals Fe3GeTe2

   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

   Advanced Materials , Mar 2021
5. Nontrivial torque generation by orbital angular momentum injection in ferromagnetic-metal/Cu/Al2O3 trilayers

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

   Phys. Rev. B , Jan 2021

2020

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

   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

   Phys. Rev. Research , Feb 2020

2018

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

   Daegeun Jo, Dongwook Go, and Hyun-Woo Lee

   Phys. Rev. B , Dec 2018
2. Intrinsic Spin and Orbital Hall Effects from Orbital Texture

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

   Phys. Rev. Lett. , Aug 2018