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Magnetic Properties of Gated Graphene Nanostructures

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Graphene Quantum Dots

Part of the book series: NanoScience and Technology ((NANO))

Abstract

In this chapter we describe magnetic properties of graphene quantum dots and rings with broken sublattice symmetry using the TB+HF+CI methodology. The broken sublattice symmetry leads to the existence of a shell of degenerate levels at the Fermi level. We discuss how the electronic and magnetic properties of GQDs depend on the filling of the shell in triangular graphene quantum dots (TGQD), how they can be controlled by electric field in bi-layer TGQDs and how they can be detected in Coulomb and Spin Blockade transport experiments.

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Author information

Authors and Affiliations

  1. Department of Physics, Izmir Institute of Technology, Izmir, Turkey

    Alev Devrim Güçlü

  2. Institute of Physics, Wrocław University of Technology, Wrocław, Poland

    Pawel Potasz

  3. Emerging Technologies Division, Quantum Theory Group, National Research Council of Canada, Ottawa, ON, Canada

    Marek Korkusinski

  4. Department of Physics, University of Ottawa, Ottawa, ON, Canada

    Pawel Hawrylak

Authors
  1. Alev Devrim Güçlü
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  2. Pawel Potasz
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  3. Marek Korkusinski
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  4. Pawel Hawrylak
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Corresponding author

Correspondence to Alev Devrim Güçlü .

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Güçlü, A.D., Potasz, P., Korkusinski, M., Hawrylak, P. (2014). Magnetic Properties of Gated Graphene Nanostructures. In: Graphene Quantum Dots. NanoScience and Technology. Springer, Berlin, Heidelberg. https://doi.org/10.1007/978-3-662-44611-9_6

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