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zadetkov: 325
1.
  • Quantifying Defects in Grap... Quantifying Defects in Graphene via Raman Spectroscopy at Different Excitation Energies
    Cançado, L. G; Jorio, A; Ferreira, E. H. Martins ... Nano letters, 08/2011, Letnik: 11, Številka: 8
    Journal Article
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    Odprti dostop

    We present a Raman study of Ar+-bombarded graphene samples with increasing ion doses. This allows us to have a controlled, increasing, amount of defects. We find that the ratio between the D and G ...
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2.
  • Climate change and pollutan... Climate change and pollutant emissions impacts on air quality in 2050 over Portugal
    Sá, E.; Martins, H.; Ferreira, J. ... Atmospheric environment (1994), April 2016, 2016-04-00, 20160401, Letnik: 131
    Journal Article
    Recenzirano

    Changes in climate and air pollutant emissions will affect future air quality from global to urban scale. In this study, regional air quality simulations for historical and future periods are ...
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3.
  • Quantifying ion-induced def... Quantifying ion-induced defects and Raman relaxation length in graphene
    Lucchese, M.M.; Stavale, F.; Ferreira, E.H. Martins ... Carbon (New York), 04/2010, Letnik: 48, Številka: 5
    Journal Article
    Recenzirano

    Raman scattering is used to study disorder in graphene subjected to low energy (90eV) Ar+ ion bombardment. The evolution of the intensity ratio between the G band (1585cm−1) and the disorder-induced ...
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4.
  • Hypoglycemic effect of rosm... Hypoglycemic effect of rosmarinic acid-rich infusion (RosCE) from Origanum vulgare in alloxan-induced diabetic rats
    Silva, Márcio L A E; Lucarini, Rodrigo; Dos Santos, Fransergio F ... Natural product research, 09/2022, Letnik: 36, Številka: 17
    Journal Article
    Recenzirano
    Odprti dostop

    known for its medicinal value, is officially accepted in many countries. The flowers and leaves are used globally in homeopathy. In Brazilian folk medicine, has been used to treat diabetes mellitus. ...
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5.
  • Ion beam nanopatterning and... Ion beam nanopatterning and micro-Raman spectroscopy analysis on HOPG for testing FIB performances
    Archanjo, B.S.; Maciel, I.O.; Martins Ferreira, E.H. ... Ultramicroscopy, July 2011, 2011-Jul, 2011-07-00, 20110701, Letnik: 111, Številka: 8
    Journal Article
    Recenzirano

    This work reports Ga+ focused ion beam nanopatterning to create amorphous defects with periodic square arrays in highly oriented pyrolytic graphite and the use of Raman spectroscopy as a new protocol ...
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6.
  • The use of Raman spectrosco... The use of Raman spectroscopy to characterize the carbon materials found in Amazonian anthrosoils
    Ribeiro-Soares, J.; Cançado, L. G.; Falcão, N. P. S. ... Journal of Raman spectroscopy, February 2013, Letnik: 44, Številka: 2
    Journal Article
    Recenzirano

    This manuscript presents the Raman characterization of the stable carbon materials found in a special type of soil, named Terra Preta de Índio (Indian Dark Earths). The Terras Pretas de Índios have ...
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7.
  • Three dimensional anatomy o... Three dimensional anatomy of the human nucleus accumbens
    Lucas-Neto, L.; Neto, D.; Oliveira, E. ... Acta neurochirurgica, 12/2013, Letnik: 155, Številka: 12
    Journal Article
    Recenzirano

    Background The Nucleus accumbens (Acc) is the main structure of the ventral striatum. It acts as a motor-limbic interface, being involved in emotional and psychomotor functions, frequently disturbed ...
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8.
  • Formation of graphitic film... Formation of graphitic films on Cu(111) via electron beam induced deposition
    Bonetto, F.; Silva, C.; Ferreira, E.H. Martins ... Vacuum, January 2021, 2021-01-00, Letnik: 183
    Journal Article
    Recenzirano

    Electron beam induced deposition using ethylene as precursor gas is used to generate carbonaceous films on Cu(111). The study was performed in an ultrahigh vacuum chamber for two different precursor ...
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9.
  • The experience of implement... The experience of implementing a quality management system at the Materials Metrology Division (Dimat)-Inmetro: a practical approach
    Silva, Daniel P.; Galhardo, Carlos E. C.; Lidizio, Leandro R. ... Accreditation and quality assurance, 12/2015, Letnik: 20, Številka: 6
    Journal Article
    Recenzirano

    The increasing interaction between laboratories from universities and research institutes with other society sectors, such as industries and government agencies, has led a growing number of those ...
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10.
  • Microscopy and spectroscopy... Microscopy and spectroscopy analysis of carbon nanostructures in highly fertile Amazonian anthrosoils
    Jorio, A.; Ribeiro-Soares, J.; Cançado, L.G. ... Soil & tillage research, 06/2012, Letnik: 122
    Journal Article
    Recenzirano

    ► Interdisciplinary nanotechnology approach to study Amazonian Dark Earth carbon. ► Electron microscopy/diffraction gives the chemical contents and morphology. ► Electron and optical spectroscopy ...
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zadetkov: 325

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