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Description
  • The Raman spectrum of epitaxial graphene on SiC is generally obtained by simply subtracting a SiC spectra from the experimental data, which results in noisy spectrum and negative intensity. By using a Non-negative Matrix Factorization (NMF) method, we obtain pure graphene spectra, even for monolayer graphene and sub-micron size patterned features, as well as in spatial mapping and depth profile. We show that the NMF method is efficient in data smoothing and for signal deconvolution with no assumption required for the functional form of the signals.
  • The Raman spectrum of epitaxial graphene on SiC is generally obtained by simply subtracting a SiC spectra from the experimental data, which results in noisy spectrum and negative intensity. By using a Non-negative Matrix Factorization (NMF) method, we obtain pure graphene spectra, even for monolayer graphene and sub-micron size patterned features, as well as in spatial mapping and depth profile. We show that the NMF method is efficient in data smoothing and for signal deconvolution with no assumption required for the functional form of the signals. (en)
Title
  • A method to extract pure Raman spectrum of epitaxial graphene on SiC
  • A method to extract pure Raman spectrum of epitaxial graphene on SiC (en)
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  • A method to extract pure Raman spectrum of epitaxial graphene on SiC
  • A method to extract pure Raman spectrum of epitaxial graphene on SiC (en)
skos:notation
  • RIV/00216208:11320/13:10190025!RIV14-MSM-11320___
http://linked.open...avai/riv/aktivita
http://linked.open...avai/riv/aktivity
  • I
http://linked.open...iv/cisloPeriodika
  • 20
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  • 58733
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  • RIV/00216208:11320/13:10190025
http://linked.open...riv/jazykVysledku
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  • Constraints; Silicon-carbide; Non-negative matrix factorization (en)
http://linked.open.../riv/klicoveSlovo
http://linked.open...odStatuVydavatele
  • US - Spojené státy americké
http://linked.open...ontrolniKodProRIV
  • [7620F7D3A76D]
http://linked.open...i/riv/nazevZdroje
  • Applied Physics Letters
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  • 103
http://linked.open...iv/tvurceVysledku
  • Berger, Claire
  • Kunc, Jan
  • Hu, Yike
  • Palmer, James
  • de Heer, Walter
http://linked.open...ain/vavai/riv/wos
  • 000327818700038
issn
  • 0003-6951
number of pages
http://bibframe.org/vocab/doi
  • 10.1063/1.4830374
http://localhost/t...ganizacniJednotka
  • 11320
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