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Large networks of vertical multi-layer graphenes with morphology-tunable magnetoresistance

Journal Article


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Abstract


  • We report on the comparative study of magnetotransport properties of large-area vertical few-layer graphene networks with different morphologies, measured in a strong (up to 10 T) magnetic field over a wide temperature range. The petal-like and tree-like graphene networks grown by a plasma enhanced CVD process on a thin (500 nm) silicon oxide layer supported by a silicon wafer demonstrate a significant difference in the resistance-magnetic field dependencies at temperatures ranging from 2 to 200 K. This behaviour is explained in terms of the effect of electron scattering at ultra-long reactive edges and ultra-dense boundaries of the graphene nanowalls. Our results pave a way towards three-dimensional vertical graphene-based magnetoelectronic nanodevices with morphology-tuneable anisotropic magnetic properties. © The Royal Society of Chemistry 2013.

Authors


  •   Yue, Zengji
  •   Levchenko, Igor (external author)
  •   Kumar, Shailesh (external author)
  •   Seo, Donghan (external author)
  •   Wang, Xiaolin
  •   Dou, Shi Xue
  •   Ostrikov, Kostya (external author)

Publication Date


  • 2013

Citation


  • Yue, Z., Levchenko, I., Kumar, S., Seo, D., Wang, X., Dou, S. & Ostrikov, K. (2013). Large networks of vertical multi-layer graphenes with morphology-tunable magnetoresistance. Nanoscale, 5 (19), 9283-9288.

Scopus Eid


  • 2-s2.0-84884246006

Ro Full-text Url


  • http://ro.uow.edu.au/cgi/viewcontent.cgi?article=2323&context=eispapers

Ro Metadata Url


  • http://ro.uow.edu.au/eispapers/1314

Has Global Citation Frequency


Number Of Pages


  • 5
  • 5

Start Page


  • 9283

End Page


  • 9288

Volume


  • 5

Issue


  • 19

Place Of Publication


  • United Kingdom

Abstract


  • We report on the comparative study of magnetotransport properties of large-area vertical few-layer graphene networks with different morphologies, measured in a strong (up to 10 T) magnetic field over a wide temperature range. The petal-like and tree-like graphene networks grown by a plasma enhanced CVD process on a thin (500 nm) silicon oxide layer supported by a silicon wafer demonstrate a significant difference in the resistance-magnetic field dependencies at temperatures ranging from 2 to 200 K. This behaviour is explained in terms of the effect of electron scattering at ultra-long reactive edges and ultra-dense boundaries of the graphene nanowalls. Our results pave a way towards three-dimensional vertical graphene-based magnetoelectronic nanodevices with morphology-tuneable anisotropic magnetic properties. © The Royal Society of Chemistry 2013.

Authors


  •   Yue, Zengji
  •   Levchenko, Igor (external author)
  •   Kumar, Shailesh (external author)
  •   Seo, Donghan (external author)
  •   Wang, Xiaolin
  •   Dou, Shi Xue
  •   Ostrikov, Kostya (external author)

Publication Date


  • 2013

Citation


  • Yue, Z., Levchenko, I., Kumar, S., Seo, D., Wang, X., Dou, S. & Ostrikov, K. (2013). Large networks of vertical multi-layer graphenes with morphology-tunable magnetoresistance. Nanoscale, 5 (19), 9283-9288.

Scopus Eid


  • 2-s2.0-84884246006

Ro Full-text Url


  • http://ro.uow.edu.au/cgi/viewcontent.cgi?article=2323&context=eispapers

Ro Metadata Url


  • http://ro.uow.edu.au/eispapers/1314

Has Global Citation Frequency


Number Of Pages


  • 5
  • 5

Start Page


  • 9283

End Page


  • 9288

Volume


  • 5

Issue


  • 19

Place Of Publication


  • United Kingdom