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pro vyhledávání: '"Power, S. R."'
For low-dimensional metallic structures, such as nanotubes, the exchange coupling between localized magnetic dopants is predicted to decay slowly with separation. The long-range character of this interaction plays a significant role in determining th
Externí odkaz:
http://arxiv.org/abs/1505.02892
The indirect exchange interaction is one of the key factors in determining the overall alignment of magnetic impurities embedded in metallic host materials. In this work we examine the range of this interaction in magnetically-doped graphene systems
Externí odkaz:
http://arxiv.org/abs/1308.6513
Publikováno v:
Phys. Rev. B 88, 085405 (2013)
The growing interest in carbon-based spintronics has stimulated a number of recent theoretical studies on the RKKY interaction in graphene, with the aim of determining the most energetically favourable alignments between embedded magnetic moments. Th
Externí odkaz:
http://arxiv.org/abs/1307.1234
Publikováno v:
Phys. Rev. B 86, 195423 (2012)
The ease with which the physical properties of graphene can be tuned suggests a wide range of possible applications. Recently, strain engineering of these properties has been of particular interest. Possible spintronic applications of magnetically do
Externí odkaz:
http://arxiv.org/abs/1207.3015
Publikováno v:
Phys. Rev. B 85, 195411 (2012)
The growing interest in carbon-based spintronics has stimulated a number of recent theoretical studies on the RKKY interaction in graphene, based on which the energetically favourable alignment between magnetic moments embedded in this material can b
Externí odkaz:
http://arxiv.org/abs/1112.0205
The magnetic properties of graphene-related materials and in particular the spin-polarised edge states predicted for pristine graphene nanoribbons (GNRs) with certain edge geometries have received much attention recently due to a range of possible te
Externí odkaz:
http://arxiv.org/abs/1108.6199
Autor:
Power, S. R., Ferreira, M. S.
Publikováno v:
Phys. Rev. B 83, 155432 (2011)
Among the many interesting features displayed by graphene, one of the most attractive is the simplicity with which its electronic structure can be described. The study of its physical properties is significantly simplified by the linear dispersion re
Externí odkaz:
http://arxiv.org/abs/1010.0908
Publikováno v:
Phys. Rev. B 80, 235424 (2009)
The electronic properties of low-dimensional materials can be engineered by doping, but in the case of graphene nanoribbons (GNR) the proximity of two symmetry-breaking edges introduces an additional dependence on the location of an impurity across t
Externí odkaz:
http://arxiv.org/abs/0909.1455
Publikováno v:
Phys. Rev. B. 80, 241413(R) (2009)
Motivated by recent studies reporting the formation of localized magnetic moments in doped graphene, we investigate the energetic cost for spin polarizing isolated impurities embedded in this material. When a well-known criterion for the formation of
Externí odkaz:
http://arxiv.org/abs/0908.4516
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