Instruct: Identify the main and secondary category of Arxiv papers based on the titles and abstracts
Query: Ab initio Study of Effect of Co Substitution on the Magnetic Properties
  of Ni and Pt-based Heusler Alloys   Using density functional theory based calculations, we have carried out
in-depth studies of effect of Co substitution on the magnetic properties of Ni
and Pt-based shape memory alloys. We show the systematic variation of the total
magnetic moment, as a function of Co doping. A detailed analysis of evolution
of Heisenberg exchange coupling parameters as a function of Co doping has been
presented here. The strength of RKKY type of exchange interaction is found to
decay with the increase of Co doping.

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The categories of this paper are: q-bio
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The categories of this paper are: nucl-th
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The categories of this paper are: bayes-an
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The categories of this paper are: astro-ph
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The categories of this paper are: gr-qc
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The categories of this paper are: comp-gas
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The categories of this paper are: mtrl-th
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The categories of this paper are: math
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The categories of this paper are: quant-ph
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The categories of this paper are: solv-int
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The categories of this paper are: chao-dyn
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The categories of this paper are: adap-org
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The categories of this paper are: cs
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The categories of this paper are: atom-ph
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The categories of this paper are: q-fin
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The categories of this paper are: cmp-lg