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Title: Observation of resistively detected hole spin resonance and zero-field pseudo-spin splitting in epitaxial graphene

Journal Article · · Nature Communications
DOI:https://doi.org/10.1038/ncomms1986· OSTI ID:1623901
 [1];  [2];  [3];  [2]
  1. Georgia State Univ., Atlanta, GA (United States). Dept. of Physics and Astronomy
  2. Georgia Inst. of Technology, Atlanta, GA (United States). School of Physics
  3. Georgia Inst. of Technology, Atlanta, GA (United States). School of Physics; Centre National de la Recherche Scientifique (CNRS), Grenoble (France). Institut Néel

Electronic carriers in graphene show a high carrier mobility at room temperature. Thus, this system is widely viewed as a potential future charge-based high-speed electronic material to complement–or replace–silicon. At the same time, the spin properties of graphene have suggested improved capability for spin-based electronics or spintronics and spin-based quantum computing. As a result, the detection, characterization and transport of spin have become topics of interest in graphene. Here we report a microwave photo-excited transport study of monolayer and trilayer graphene that reveals an unexpectedly strong microwaveinduced electrical response and dual microwave-induced resonances in the dc resistance. The results suggest the resistive detection of spin resonance, and provide a measurement of the g-factor, the spin relaxation time and the sub-lattice degeneracy splitting at zero magnetic field.

Research Organization:
Georgia State Univ., Atlanta, GA (United States)
Sponsoring Organization:
USDOE Office of Science (SC), Basic Energy Sciences (BES). Materials Sciences & Engineering Division; US Army Research Office (ARO); W. M. Keck Foundation; US Air Force Office of Scientific Research (AFOSR); National Science Foundation (NSF)
Grant/Contract Number:
SC0001762; W911NF-07-01-015; DMR-0820382
OSTI ID:
1623901
Journal Information:
Nature Communications, Vol. 3, Issue 1; ISSN 2041-1723
Publisher:
Nature Publishing GroupCopyright Statement
Country of Publication:
United States
Language:
English

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Cited By (21)

Influence of Microwave Excitation‐Power on the Narrow Negative Magnetoresistance Effect Around B  = 0 T in the Ultra‐High Mobility GaAs/AlGaAs 2DES journal February 2019
Coherent backscattering in quasi-ballistic ultra-high mobility GaAs/AlGaAs 2DES journal July 2018
Cyclotron resonance in the high mobility GaAs/AlGaAs 2D electron system over the microwave, mm-wave, and terahertz- bands journal February 2019
Electrical spin manipulation in graphene nanostructures journal May 2018
Cyclotron resonance in the high mobility GaAs/AlGaAs 2D electron system over the microwave, mm-wave, and terahertz- bands text January 2019
Comparative study of microwave radiation-induced magnetoresistive oscillations induced by circularly- and linearly- polarized photo-excitation journal October 2015
Study of narrow negative magnetoresistance effect in ultra-high mobility GaAs/AlGaAs 2DES under microwave photo-excitation journal January 2020
Model spin-orbit coupling Hamiltonians for graphene systems journal April 2017
Radiation-induced magnetoresistance oscillations in monolayer and bilayer graphene journal May 2019
Study of narrow negative magnetoresistance effect in ultra-high mobility GaAs/AlGaAs 2DES under microwave photo-excitation text January 2020
Probing Electron Spin Resonance in Monolayer Graphene journal August 2017
The role of surface morphology on nucleation density limitation during the CVD growth of graphene and the factors influencing graphene wrinkle formation journal September 2019
Model spin-orbit coupling Hamiltonians for graphene systems text January 2017
Comparative study of microwave radiation-induced magnetoresistive oscillations induced by circularly- and linearly-polarized photo-excitation text January 2015
Spin-Orbit Coupling in Hydrogenated Graphene text January 2013
Spin-orbit coupling in hydrogenated graphene text January 2013
Combined study of microwave-power/linear-polarization dependence of the microwave-radiation-induced magnetoresistance oscillations in GaAs/AlGaAs devices text January 2014
Electrical spin manipulation in graphene nanostructures text January 2017
Mutual influence between current-induced giant magnetoresistance and radiation-induced magnetoresistance oscillations in the GaAs/AlGaAs 2DES journal July 2017
Tunable electron heating induced giant magnetoresistance in the high mobility GaAs/AlGaAs 2D electron system text January 2016
Magneto-transport characteristics of a 2D electron system driven to negative magneto-conductivity by microwave photoexcitation text January 2013

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