| Title | Enhancement of spin-orbit coupling and magnetic scattering in hydrogenated graphene |
| Authors | Cao, Shimin Cao, Chuanwu Tian, Shibing Chen, Jian-Hao |
| Affiliation | Peking Univ, Int Ctr Quantum Mat, Sch Phys, Beijing 100871, Peoples R China Beijing Acad Quantum Informat Sci, Beijing 100193, Peoples R China Chinese Acad Sci, Inst Phys, Beijing 100190, Peoples R China Peking Univ, Key Lab Phys & Chem Nanodevices, Beijing 100871, Peoples R China Peking Univ, Interdisciplinary Inst Light Element Quantum Mat, Beijing 100871, Peoples R China Peking Univ, Res Ctr Light Element Adv Mat, Beijing 100871, Peoples R China Univ Geneva, DQMP, Geneva, Switzerland |
| Keywords | WEAK-LOCALIZATION MANIPULATION |
| Issue Date | 16-Sep-2021 |
| Publisher | PHYSICAL REVIEW B |
| Abstract | Spin-orbit coupling (SOC) can provide essential tools to manipulate electron spins in two-dimensional materials like graphene, which is of great interest for both fundamental physics and spintronics application. In this paper, we report the low-field magnetotransport of in situ hydrogenated graphene where hydrogen atoms are attached to the graphene surface in continuous low temperature and vacuum environment. Transition from weak localization to weak antilocalization with increasing hydrogen adatom density is observed, indicating enhancing Bychkov-Rashba-type SOC in a mirror symmetry broken system. From the low-temperature saturation of phase breaking scattering rate, the existence of spin-flip scattering is identified, which corroborates the existence of magnetic moments in hydrogenated graphene. |
| URI | http://hdl.handle.net/20.500.11897/626547 |
| ISSN | 2469-9950 |
| DOI | 10.1103/PhysRevB.104.125422 |
| Indexed | EI SCI(E) |
| Appears in Collections: | 量子材料科学中心 纳米器件物理与化学教育部重点实验室 |
