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Large-Area Intercalated Two-Dimensional Pb/Graphene Heterostructure as a Platform for Generating Spin-Orbit Torque.
Vera, Alexander; Zheng, Boyang; Yanez, Wilson; Yang, Kaijie; Kim, Seong Yeoul; Wang, Xinglu; Kotsakidis, Jimmy C; El-Sherif, Hesham; Krishnan, Gopi; Koch, Roland J; Bowen, T Andrew; Dong, Chengye; Wang, Yuanxi; Wetherington, Maxwell; Rotenberg, Eli; Bassim, Nabil; Friedman, Adam L; Wallace, Robert M; Liu, Chaoxing; Samarth, Nitin; Crespi, Vincent H; Robinson, Joshua A.
Afiliação
  • Vera A; Department of Materials Science and Engineering, The Pennsylvania State University, University Park ,Pennsylvania 16802, United States.
  • Zheng B; Center for Nanoscale Science, The Pennsylvania State University, University Park ,Pennsylvania 16802, United States.
  • Yanez W; Department of Physics, The Pennsylvania State University, University Park, Pennsylvania 16802, United States.
  • Yang K; 2-Dimensional Crystal Consortium, The Pennsylvania State University, University Park ,Pennsylvania 16802, United States.
  • Kim SY; Center for Nanoscale Science, The Pennsylvania State University, University Park ,Pennsylvania 16802, United States.
  • Wang X; Department of Physics, The Pennsylvania State University, University Park, Pennsylvania 16802, United States.
  • Kotsakidis JC; Center for Nanoscale Science, The Pennsylvania State University, University Park ,Pennsylvania 16802, United States.
  • El-Sherif H; Department of Physics, The Pennsylvania State University, University Park, Pennsylvania 16802, United States.
  • Krishnan G; Department of Materials Science and Engineering, The University of Texas at Dallas, Dallas ,Texas 75080, United States.
  • Koch RJ; Department of Materials Science and Engineering, The University of Texas at Dallas, Dallas ,Texas 75080, United States.
  • Bowen TA; Laboratory for Physical Sciences, College Park, College Park ,Maryland 20740, United States.
  • Dong C; Department of Materials Science and Engineering, McMaster University, Hamilton ,Ontario L8S 4L8, Canada.
  • Wang Y; Department of Materials Science and Engineering, McMaster University, Hamilton ,Ontario L8S 4L8, Canada.
  • Wetherington M; Advanced Light Source, Lawrence Berkeley National Laboratory, Berkeley, California 94720, United States.
  • Rotenberg E; Department of Materials Science and Engineering, The Pennsylvania State University, University Park ,Pennsylvania 16802, United States.
  • Bassim N; Center for Nanoscale Science, The Pennsylvania State University, University Park ,Pennsylvania 16802, United States.
  • Friedman AL; 2-Dimensional Crystal Consortium, The Pennsylvania State University, University Park ,Pennsylvania 16802, United States.
  • Wallace RM; Center for 2-Dimensional and Layered Materials, The Pennsylvania State University, University Park ,Pennsylvania 16802, United States.
  • Liu C; 2-Dimensional Crystal Consortium, The Pennsylvania State University, University Park ,Pennsylvania 16802, United States.
  • Samarth N; Materials Research Institute, The Pennsylvania State University, University Park ,Pennsylvania 16802, United States.
  • Crespi VH; Advanced Light Source, Lawrence Berkeley National Laboratory, Berkeley, California 94720, United States.
  • Robinson JA; Department of Materials Science and Engineering, McMaster University, Hamilton ,Ontario L8S 4L8, Canada.
ACS Nano ; 18(33): 21985-21997, 2024 Aug 20.
Article em En | MEDLINE | ID: mdl-39102316
ABSTRACT
A scalable platform to synthesize ultrathin heavy metals may enable high-efficiency charge-to-spin conversion for next-generation spintronics. Here, we report the synthesis of air-stable, epitaxially registered monolayer Pb underneath graphene on SiC (0001) by confinement heteroepitaxy (CHet). Diffraction, spectroscopy, and microscopy reveal that CHet-based Pb intercalation predominantly exhibits a mottled hexagonal superstructure due to an ordered network of Frenkel-Kontorova-like domain walls. The system's air stability enables ex situ spin torque ferromagnetic resonance (ST-FMR) measurements that demonstrate charge-to-spin conversion in graphene/Pb/ferromagnet heterostructures with a 1.5× increase in the effective field ratio compared to control samples.
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Texto completo: 1 Base de dados: MEDLINE Idioma: En Ano de publicação: 2024 Tipo de documento: Article
Texto completo
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XML
PubMed Links
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Texto completo: 1 Base de dados: MEDLINE Idioma: En Ano de publicação: 2024 Tipo de documento: Article