@article{nabei_yang_sun_jones_mai_wang_bodin_pandey_wang_xiong_et al._2026, title={Orbital Seebeck effect induced by chiral phonons}, volume={22}, ISSN={1745-2473 1745-2481}, url={http://dx.doi.org/10.1038/s41567-025-03134-x}, DOI={10.1038/s41567-025-03134-x}, number={2}, journal={Nature Physics}, publisher={Springer Science and Business Media LLC}, author={Nabei, Yoji and Yang, Cong and Sun, Hong and Jones, Hana and Mai, Thuc and Wang, Tian and Bodin, Rikard and Pandey, Binod and Wang, Ziqi and Xiong, Yuzan and et al.}, year={2026}, month={Jan}, pages={245–251} } @article{sun_nabei_mcconnell_zhang_comstock_jones_gyawali_xiong_wang_liu_et al._2025, title={Determination of orbital relaxation in Ti/Ni heterostructure via orbital pumping}, volume={138}, ISSN={0021-8979 1089-7550}, url={http://dx.doi.org/10.1063/5.0292745}, DOI={10.1063/5.0292745}, abstractNote={Orbital current has attracted significant attention in recent years due to its potential for energy-efficient magnetization control without the need for materials with strong spin–orbit coupling. However, the fundamental mechanisms governing orbital transport remain elusive. In this study, we systematically explore orbital transport in Ti/Ni bilayers through orbital pumping, drawing an analogy to spin pumping. The orbital current is generated and injected into the Ti layer via the microwave-driven orbital dynamics in Ni, facilitated by its strong spin–orbit correlation. We employed thickness-dependent ferromagnetic resonance measurements and angular-dependent inverse orbital Hall effect (IOHE) detection to probe orbital transport in Ti based on the conventional spin-pumping methodology. The observed enhancement in the damping factor indicates an orbital-diffusion length of ∼5.3 ± 3.7 nm, while IOHE-based estimation suggests a value of around 4.0 ± 1.2 nm, which confirms its short orbital-diffusion length. Furthermore, oblique Hanle measurements in the longitudinal configuration reveal an orbital relaxation time of approximately 16 ps. Our results establish that orbital pumping, analogous to the conventional spin-pumping framework, can serve as a robust technique for elucidating orbital transport mechanisms, paving the way for the design of efficient spin-orbitronic devices.}, number={12}, journal={Journal of Applied Physics}, publisher={AIP Publishing}, author={Sun, Rui and Nabei, Yoji and McConnell, Aeron and Zhang, Xiaotong and Comstock, Andrew and Jones, Hana and Gyawali, Rishiram and Xiong, Yuzan and Wang, Ziqi and Liu, Jun and et al.}, year={2025}, month={Sep} }