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Vacancy‐patterned graphene: A meta‐material for spintronics
Author(s) -
Artyukhov Vasilii I.,
Chernozatonskii Leonid A.
Publication year - 2009
Publication title -
physica status solidi (b)
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.51
H-Index - 109
eISSN - 1521-3951
pISSN - 0370-1972
DOI - 10.1002/pssb.200982280
Subject(s) - graphene , spintronics , materials science , vacancy defect , density functional theory , nanotechnology , fabrication , passivation , spin (aerodynamics) , doping , ferromagnetism , condensed matter physics , optoelectronics , physics , layer (electronics) , quantum mechanics , medicine , thermodynamics , alternative medicine , pathology
We use density functional theory to explore the implications of atomically precise patterning of graphene with monovacancies. We show that one‐dimensional tracks of vacancies can be used to turn graphene into a magnetic meta‐material with properties that can be flexibly varied by external factors such as doping. Chemical functionalization by H or F atoms does not disrupt the magnetic structure of the material; moreover, controlled passivation with appropriate chemical species could be used as an additional means to tailor the properties of the meta‐material. This leads us to propose patterning of graphene with vacancy tracks as a possible route towards integrated spintronic circuits on single graphene sheets. Several possible pathways towards practical fabrication of such systems are discussed.Spin density in graphene with periodically arranged monovacancies.