2022
DOI: 10.1021/acsanm.2c00098
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Defect-Density- and Rashba-Shift-Induced Interfacial Dzyaloshinskii–Moriya Interaction and Spin Pumping in Single-Layer Graphene/Co20Fe60B20 Heterostructures: Implications for New-Generation Spintronics

Abstract: The quest for quantum phenomena in unconventional materials has led to the development of myriad unique systems. Because of their unusual atomic-scale interface properties and their controllability, graphene/ferromagnet heterostructures have emerged as a strong contender for next-generation spintronics. Further development demands superior properties and correlation between the different microscopic mechanisms involved. Herein, we demonstrate a superior interfacial Dzyaloshinskii–Moriya interaction (iDMI) in s… Show more

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Cited by 6 publications
(6 citation statements)
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“…Because of symmetry matching and orbital overlap, the d-band of the TMs can get modified with pd hybridization in the presence of graphene. 47 A strong spin-polarization effect and chargetransfer effect in graphene adjacent to the Co atoms are reportedly responsible for the reduction in magnetic moment of Co. 19 The values of line widths in FFT spectra are higher for CoGd in the presence of monolayer graphene and graphite. The τ d obtained from the time domain data (which is inversely proportional to the line width in frequency domain) is more than 1.5 times smaller for both the flakes than that of bare CoGd film.…”
Section: Resultsmentioning
confidence: 99%
See 3 more Smart Citations
“…Because of symmetry matching and orbital overlap, the d-band of the TMs can get modified with pd hybridization in the presence of graphene. 47 A strong spin-polarization effect and chargetransfer effect in graphene adjacent to the Co atoms are reportedly responsible for the reduction in magnetic moment of Co. 19 The values of line widths in FFT spectra are higher for CoGd in the presence of monolayer graphene and graphite. The τ d obtained from the time domain data (which is inversely proportional to the line width in frequency domain) is more than 1.5 times smaller for both the flakes than that of bare CoGd film.…”
Section: Resultsmentioning
confidence: 99%
“…Because of symmetry matching and orbital overlap, the d-band of the TMs can get modified with pd hybridization in the presence of graphene . A strong spin-polarization effect and charge-transfer effect in graphene adjacent to the Co atoms are reportedly responsible for the reduction in magnetic moment of Co . The values of line widths in FFT spectra are higher for CoGd in the presence of monolayer graphene and graphite.…”
Section: Resultsmentioning
confidence: 99%
See 2 more Smart Citations
“…The field of magnonics [7,8] uses the carrier magnon (quanta of spin waves) to transfer quantum information coherently from one quantum state to another quantum state in an artificially patterned periodic nanostructure, popularly known as magnonic crystals (MCs) [9,10]. Recent developments in this field have successfully triggered research interest in integrating various fundamental effects such as spin pumping [11,12], interfacial Dzyaloshinskii−Moriya interaction [13][14][15], spin-orbit coupling [16,17], non-linearity [18,19], topological effects [20,21], spintextures [22,23] etc with magnonics. Thereby, it strengthens the fundamentals as well as promoting new-generation magnonic devices with superior functionalities.…”
Section: Introductionmentioning
confidence: 99%