Instruct: Identify the main and secondary category of Arxiv papers based on the titles and abstracts
Query: Growth, charge and thermal transport of flowered graphene   We report on the structural and transport properties of the smallest
dislocation loop in graphene, known as a flower defect. First, by means of
advanced experimental imaging techniques, we deduce how flower defects are
formed during recrystallization of chemical vapor deposited graphene. We
propose that the flower defects arise from a bulge type mechanism in which the
flower domains are the grains left over by dynamic recrystallisation. Next, in
order to evaluate the use of such defects as possible building blocks for
all-graphene electronics, we combine multiscale modeling tools to investigate
the structure and the electron and phonon transport properties of large
monolayer graphene samples with a random distribution of flower defects. For
large enough flower densities, we find that electron transport is strongly
suppressed while, surprisingly, hole transport remains almost unaffected. These
results suggest possible applications of flowered graphene for electron energy
filtering. For the same defect densities, phonon transport is reduced by orders
of magnitude as elastic scattering by defects becomes dominant. Heat transport
by flexural phonons, key in graphene, is largely suppressed even for very low
concentrations.

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The categories of this paper are: nucl-ex
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The categories of this paper are: math-ph
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The categories of this paper are: plasm-ph
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The categories of this paper are: quant-ph
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The categories of this paper are: nlin
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The categories of this paper are: astro-ph
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The categories of this paper are: solv-int
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The categories of this paper are: adap-org
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The categories of this paper are: atom-ph
2
The categories of this paper are: math
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The categories of this paper are: chem-ph
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The categories of this paper are: mtrl-th
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The categories of this paper are: econ
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The categories of this paper are: eess
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The categories of this paper are: acc-phys
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The categories of this paper are: q-alg