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Interplay of orbital and spin magnetization in trigonal tellurium

Interplay of orbital and spin magnetization in trigonal tellurium

来源:Arxiv_logoArxiv
英文摘要

Orbital effects, despite their fundamental significance and potential to engender novel physical phenomena and enable new applications, have long been underexplored compared to their spin counterparts. Recently, surging interest in the orbital degree of freedom has led to the discovery of a plethora of orbital-related effects, underscoring the need for a deeper understanding of their roles in quantum materials. Here, we report first experimental signatures of orbital magnetization in trigonal Tellurium, an elemental semiconductor with a unique helical crystal structure that serves as a natural platform for investigating orbital effects. Detailed angular dependent linear and nonlinear magnetotransport measurements, supported by theoretical Boltzmann transport analysis, reveal the coexistence of current-induced spin polarization and orbital magnetization. By disentangling the interplay between spin and orbital degrees of freedom, this work establishes a general framework for understanding orbital magnetization in chiral crystals and beyond, paving the way for its utilization in orbitronics and spintronics.

Zhenqi Hua、Chang Niu、Sandeep Joy、Pukun Tan、Gang Shi、Haoyang Liu、Jiaxing Guo、David Graf、Peide Ye、Cyprian Lewandowski、Peng Xiong

物理学晶体学

Zhenqi Hua,Chang Niu,Sandeep Joy,Pukun Tan,Gang Shi,Haoyang Liu,Jiaxing Guo,David Graf,Peide Ye,Cyprian Lewandowski,Peng Xiong.Interplay of orbital and spin magnetization in trigonal tellurium[EB/OL].(2025-07-18)[2025-08-04].https://arxiv.org/abs/2507.14292.点此复制

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