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Dirac-Surface-State Modulated Spin Dynamics in a Ferrimagnetic Insulator at Room Temperature
Chi Tang, Qi Song, Cui-Zu Chang +10
This work demonstrates dramatically modified spin dynamics of magnetic insulator (MI) by the spin-momentum locked Dirac surface states of the adjacent topological insulator (TI) wh…
Quantum Materials for Spin and Charge Conversion
Wei Han, YoshiChika Otani, Sadamichi Maekawa
Spintronics aims to utilize the spin degree of freedom for information storage and computing applications. One major issue is the generation and detection of spins via spin and cha…
Pressure-induced spin reorientation transition in layered ferromagnetic insulator Cr2Ge2Te6
Zhisheng Lin, Mark Lohmann, Zulfikhar A. Ali +9
Anisotropic magnetoresistance (AMR) of Cr2Ge2Te6 (CGT), a layered ferromagnetic insulator, is investigated under an applied hydrostatic pressure up to 2 GPa. The easy axis directio…
Experimental Signatures of Spin Superfluid Ground State in Canted Antiferromagnet Cr2O3 via Nonlocal Spin Transport
Wei Yuan, Qiong Zhu, Tang Su +9
Spin superfluid is a novel emerging quantum matter arising from the Bose-Einstein condensate (BEC) of spin-1 bosons. We demonstrate the spin superfluid ground state in canted antif…
Gauge-potential-induced rotation of spin-orbit-coupled Bose-Einstein condensates
Jingjing Jin, Wei Han, Suying Zhang
We demonstrate that a spin-orbit-coupled Bose-Einstein condensate can be effectively rotated by adding a real magnetic field to inputting gauge angular momentum, which is distinctl…
Role of La doping for Topological Hall Effect in Epitaxial EuO Films
Yu Yun, Yang Ma, Tang Su +6
We report the critical role of La doping in the topological Hall effect observed in LaxEu1-xO thin films (~ 50 nm) grown by molecular beam epitaxy. When the La doping exceeds 0.036…