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Measurement of the Induced Magnetic Polarisation of Rotated-Domain Graphene Grown on Co Film with Polarised Neutron Reflectivity.

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Title: Measurement of the Induced Magnetic Polarisation of Rotated-Domain Graphene Grown on Co Film with Polarised Neutron Reflectivity.
Authors: Aboljadayel, Razan Omar M.1 (AUTHOR) roma2@cantab.ac.uk, Kinane, Christy John2 (AUTHOR), Vaz, Carlos Antonio Fernandes3 (AUTHOR) carlos.vaz@psi.ch, Love, David Michael1 (AUTHOR), Martin, Marie-Blandine4 (AUTHOR), Cabrero-Vilatela, Andrea4 (AUTHOR), Braeuninger-Weimer, Philipp4 (AUTHOR), Ionescu, Adrian1 (AUTHOR) roma2@cantab.ac.uk, Caruana, Andrew John2 (AUTHOR), Charlton, Timothy Randall2 (AUTHOR), Llandro, Justin1 (AUTHOR), Monteiro, Pedro Manuel da Silva1 (AUTHOR), Barnes, Crispin Henry William1 (AUTHOR), Hofmann, Stephan4 (AUTHOR), Langridge, Sean2 (AUTHOR)
Source: Nanomaterials (2079-4991). Oct2023, Vol. 13 Issue 19, p2620. 11p.
Subjects: Neutron reflectivity, Magnetic measurements, Graphene, Magnetic circular dichroism, Magnetic moments, Neutron scattering
Abstract: In this paper, we determine the magnetic moment induced in graphene when grown on a cobalt film using polarised neutron reflectivity (PNR). A magnetic signal in the graphene was detected by X-ray magnetic circular dichroism (XMCD) spectra at the C K-edge. From the XMCD sum rules an estimated magnetic moment of 0.3 μ B/C atom, while a more accurate estimation of 0.49 μ B/C atom was obtained by carrying out a PNR measurement at 300 K. The results indicate that the higher magnetic moment in Co is counterbalanced by the larger lattice mismatch between the Co-C (1.6%) and the slightly longer bond length, inducing a magnetic moment in graphene that is similar to that reported in Ni/graphene heterostructures. [ABSTRACT FROM AUTHOR]
Copyright of Nanomaterials (2079-4991) is the property of MDPI and its content may not be copied or emailed to multiple sites without the copyright holder's express written permission. Additionally, content may not be used with any artificial intelligence tools or machine learning technologies. However, users may print, download, or email articles for individual use. This abstract may be abridged. No warranty is given about the accuracy of the copy. Users should refer to the original published version of the material for the full abstract. (Copyright applies to all Abstracts.)
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  Data: Measurement of the Induced Magnetic Polarisation of Rotated-Domain Graphene Grown on Co Film with Polarised Neutron Reflectivity.
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  Data: <searchLink fieldCode="AR" term="%22Aboljadayel%2C+Razan+Omar+M%2E%22">Aboljadayel, Razan Omar M.</searchLink><relatesTo>1</relatesTo> (AUTHOR)<i> roma2@cantab.ac.uk</i><br /><searchLink fieldCode="AR" term="%22Kinane%2C+Christy+John%22">Kinane, Christy John</searchLink><relatesTo>2</relatesTo> (AUTHOR)<br /><searchLink fieldCode="AR" term="%22Vaz%2C+Carlos+Antonio+Fernandes%22">Vaz, Carlos Antonio Fernandes</searchLink><relatesTo>3</relatesTo> (AUTHOR)<i> carlos.vaz@psi.ch</i><br /><searchLink fieldCode="AR" term="%22Love%2C+David+Michael%22">Love, David Michael</searchLink><relatesTo>1</relatesTo> (AUTHOR)<br /><searchLink fieldCode="AR" term="%22Martin%2C+Marie-Blandine%22">Martin, Marie-Blandine</searchLink><relatesTo>4</relatesTo> (AUTHOR)<br /><searchLink fieldCode="AR" term="%22Cabrero-Vilatela%2C+Andrea%22">Cabrero-Vilatela, Andrea</searchLink><relatesTo>4</relatesTo> (AUTHOR)<br /><searchLink fieldCode="AR" term="%22Braeuninger-Weimer%2C+Philipp%22">Braeuninger-Weimer, Philipp</searchLink><relatesTo>4</relatesTo> (AUTHOR)<br /><searchLink fieldCode="AR" term="%22Ionescu%2C+Adrian%22">Ionescu, Adrian</searchLink><relatesTo>1</relatesTo> (AUTHOR)<i> roma2@cantab.ac.uk</i><br /><searchLink fieldCode="AR" term="%22Caruana%2C+Andrew+John%22">Caruana, Andrew John</searchLink><relatesTo>2</relatesTo> (AUTHOR)<br /><searchLink fieldCode="AR" term="%22Charlton%2C+Timothy+Randall%22">Charlton, Timothy Randall</searchLink><relatesTo>2</relatesTo> (AUTHOR)<br /><searchLink fieldCode="AR" term="%22Llandro%2C+Justin%22">Llandro, Justin</searchLink><relatesTo>1</relatesTo> (AUTHOR)<br /><searchLink fieldCode="AR" term="%22Monteiro%2C+Pedro+Manuel+da+Silva%22">Monteiro, Pedro Manuel da Silva</searchLink><relatesTo>1</relatesTo> (AUTHOR)<br /><searchLink fieldCode="AR" term="%22Barnes%2C+Crispin+Henry+William%22">Barnes, Crispin Henry William</searchLink><relatesTo>1</relatesTo> (AUTHOR)<br /><searchLink fieldCode="AR" term="%22Hofmann%2C+Stephan%22">Hofmann, Stephan</searchLink><relatesTo>4</relatesTo> (AUTHOR)<br /><searchLink fieldCode="AR" term="%22Langridge%2C+Sean%22">Langridge, Sean</searchLink><relatesTo>2</relatesTo> (AUTHOR)
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  Data: <searchLink fieldCode="JN" term="%22Nanomaterials+%282079-4991%29%22">Nanomaterials (2079-4991)</searchLink>. Oct2023, Vol. 13 Issue 19, p2620. 11p.
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  Data: <searchLink fieldCode="DE" term="%22Neutron+reflectivity%22">Neutron reflectivity</searchLink><br /><searchLink fieldCode="DE" term="%22Magnetic+measurements%22">Magnetic measurements</searchLink><br /><searchLink fieldCode="DE" term="%22Graphene%22">Graphene</searchLink><br /><searchLink fieldCode="DE" term="%22Magnetic+circular+dichroism%22">Magnetic circular dichroism</searchLink><br /><searchLink fieldCode="DE" term="%22Magnetic+moments%22">Magnetic moments</searchLink><br /><searchLink fieldCode="DE" term="%22Neutron+scattering%22">Neutron scattering</searchLink>
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  Label: Abstract
  Group: Ab
  Data: In this paper, we determine the magnetic moment induced in graphene when grown on a cobalt film using polarised neutron reflectivity (PNR). A magnetic signal in the graphene was detected by X-ray magnetic circular dichroism (XMCD) spectra at the C K-edge. From the XMCD sum rules an estimated magnetic moment of 0.3 μ B/C atom, while a more accurate estimation of 0.49 μ B/C atom was obtained by carrying out a PNR measurement at 300 K. The results indicate that the higher magnetic moment in Co is counterbalanced by the larger lattice mismatch between the Co-C (1.6%) and the slightly longer bond length, inducing a magnetic moment in graphene that is similar to that reported in Ni/graphene heterostructures. [ABSTRACT FROM AUTHOR]
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  Data: <i>Copyright of Nanomaterials (2079-4991) is the property of MDPI and its content may not be copied or emailed to multiple sites without the copyright holder's express written permission. Additionally, content may not be used with any artificial intelligence tools or machine learning technologies. However, users may print, download, or email articles for individual use. This abstract may be abridged. No warranty is given about the accuracy of the copy. Users should refer to the original published version of the material for the full abstract.</i> (Copyright applies to all Abstracts.)
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      – Type: doi
        Value: 10.3390/nano13192620
    Languages:
      – Code: eng
        Text: English
    PhysicalDescription:
      Pagination:
        PageCount: 11
        StartPage: 2620
    Subjects:
      – SubjectFull: Neutron reflectivity
        Type: general
      – SubjectFull: Magnetic measurements
        Type: general
      – SubjectFull: Graphene
        Type: general
      – SubjectFull: Magnetic circular dichroism
        Type: general
      – SubjectFull: Magnetic moments
        Type: general
      – SubjectFull: Neutron scattering
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    Titles:
      – TitleFull: Measurement of the Induced Magnetic Polarisation of Rotated-Domain Graphene Grown on Co Film with Polarised Neutron Reflectivity.
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              M: 10
              Text: Oct2023
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