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Search for "electromagnetic radiation" in Full Text gives 39 result(s) in Beilstein Journal of Nanotechnology.

Effect of Anderson localization on light emission from gold nanoparticle aggregates

  • Mohamed H. Abdellatif,
  • Marco Salerno,
  • Gaser N. Abdelrasoul,
  • Ioannis Liakos,
  • Alice Scarpellini,
  • Sergio Marras and
  • Alberto Diaspro

Beilstein J. Nanotechnol. 2016, 7, 2013–2022, doi:10.3762/bjnano.7.192

Graphical Abstract
  • optical coupling of the visible electromagnetic radiation with the plasmon oscillation, this quantized plasma oscillation can propagate along the metal depending on the shape and size of the AuNP aggregates. The modulation of the plasmonic resonance to the inter-subband electron transition results in
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Published 16 Dec 2016

Surface-enhanced infrared absorption studies towards a new optical biosensor

  • Lothar Leidner,
  • Julia Stäb,
  • Jennifer T. Adam and
  • Günter Gauglitz

Beilstein J. Nanotechnol. 2016, 7, 1736–1742, doi:10.3762/bjnano.7.166

Graphical Abstract
  • updated in [4]. Besides sensitivity, stability, and reversibility, selectivity is a vital requirement of a biosensor, which is the main issue of direct optical method: it is not selective as a matter of principle. Optical sensors monitor the interaction of electromagnetic radiation with matter. In many
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Published 16 Nov 2016

Localized surface plasmons in structures with linear Au nanoantennas on a SiO2/Si surface

  • Ilya A. Milekhin,
  • Sergei A. Kuznetsov,
  • Ekaterina E. Rodyakina,
  • Alexander G. Milekhin,
  • Alexander V. Latyshev and
  • Dietrich R. T. Zahn

Beilstein J. Nanotechnol. 2016, 7, 1519–1526, doi:10.3762/bjnano.7.145

Graphical Abstract
  • nanoantenna coincide with the frequency of the exciting electromagnetic radiation. The LSPR yields a sharp increase of the local electromagnetic field magnitude near the nanoantenna surface that makes feasible to detect a small amount of alien substances located in the near field region of the nanoantenna [8
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Published 26 Oct 2016

Manufacturing and investigation of physical properties of polyacrylonitrile nanofibre composites with SiO2, TiO2 and Bi2O3 nanoparticles

  • Tomasz Tański,
  • Wiktor Matysiak and
  • Barbara Hajduk

Beilstein J. Nanotechnol. 2016, 7, 1141–1155, doi:10.3762/bjnano.7.106

Graphical Abstract
  • , obtained for composite PAN nanofibres reinforced with nanoparticles of SiO2, is due to the relatively low refractive index of SiO2, which is about 1.45 for visible light. The used polymer and the SiO2 particles have a similar n. This means the mechanism of interaction of electromagnetic radiation with
  • following form [38]: where n is the concentration of the atoms in the sample, e and m are charge and mass of the electron, ε0 is the electrical transmittance of vacuum, γ is the damping coefficient, ω0 and ω are, respectively, the frequency of the electron and the electromagnetic radiation. The above
  • is Planck's constant, ν is the frequency of electromagnetic radiation, Eg is the the energy gap width and A is a constant depending on the probabilities of electron transitions. For the coefficient ρ different values are provided [41], such as 1/2 and 3/2 in the case of accessible and inaccessible
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Published 05 Aug 2016

A terahertz-vibration to terahertz-radiation converter based on gold nanoobjects: a feasibility study

  • Kamil Moldosanov and
  • Andrei Postnikov

Beilstein J. Nanotechnol. 2016, 7, 983–989, doi:10.3762/bjnano.7.90

Graphical Abstract
  • are difficult to fabricate, we offer brief assessments hinting that the conversion of the THz lattice vibrations to THz electromagnetic radiation could be possible via electron excitation/relaxation processes within the GNBs or GNRs. On the basis of the principles outlined, a practical source of THz
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Published 06 Jul 2016

Facile synthesis of water-soluble carbon nano-onions under alkaline conditions

  • Gaber Hashem Gaber Ahmed,
  • Rosana Badía Laíño,
  • Josefa Angela García Calzón and
  • Marta Elena Díaz García

Beilstein J. Nanotechnol. 2016, 7, 758–766, doi:10.3762/bjnano.7.67

Graphical Abstract
  • found applications as materials for tribology due to their low friction [10]. Polymers doped with C-onions exhibit increased thermal resistance and can be used as microwave absorbing filters due to the C-onions ability to absorb electromagnetic radiation in the 26–37 GHz range [11]. Also, C-onions have
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Published 27 May 2016

Synthesis and applications of carbon nanomaterials for energy generation and storage

  • Marco Notarianni,
  • Jinzhang Liu,
  • Kristy Vernon and
  • Nunzio Motta

Beilstein J. Nanotechnol. 2016, 7, 149–196, doi:10.3762/bjnano.7.17

Graphical Abstract
  • Earth, we receive about 170,000 trillion watts of electromagnetic radiation. Therefore, covering 0.16% of the land on earth with 10% efficient solar conversion systems would provide over 20 trillion watts of power [3]. However, apart from the costs of this technology at the moment ($0.20–0.50 per kW·h
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Published 01 Feb 2016

Interaction of electromagnetic radiation in the 20–200 GHz frequency range with arrays of carbon nanotubes with ferromagnetic nanoparticles

  • Agylych Atdayev,
  • Alexander L. Danilyuk and
  • Serghej L. Prischepa

Beilstein J. Nanotechnol. 2015, 6, 1056–1064, doi:10.3762/bjnano.6.106

Graphical Abstract
  • Agylych Atdayev Alexander L. Danilyuk Serghej L. Prischepa Belarusian State University of Informatics and Radioelectronics, P. Browka St. 6, 220013 Minsk, Belarus 10.3762/bjnano.6.106 Abstract The interaction of electromagnetic radiation with a magnetic nanocomposite based on carbon nanotubes
  • and transmission of electromagnetic radiation. Keywords: carbon nanotubes; electromagnetic radiation; ferromagnetic nanoparticles; magnetic dipole; magnetic nanocomposite; resonance circuit; Introduction Magnetic nanocomposites consisting of ferromagnetic nanoparticles embedded into a matrix
  • material are currently the subject of intensive study. The properties of such materials can be tuned by the external magnetic field, spin-polarized current or electromagnetic radiation. In conventional ferromagnetic materials, the magnetic properties are determined by the domain structure and domain walls
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Published 24 Apr 2015

Synergic combination of the sol–gel method with dip coating for plasmonic devices

  • Cristiana Figus,
  • Maddalena Patrini,
  • Francesco Floris,
  • Lucia Fornasari,
  • Paola Pellacani,
  • Gerardo Marchesini,
  • Andrea Valsesia,
  • Flavia Artizzu,
  • Daniela Marongiu,
  • Michele Saba,
  • Franco Marabelli,
  • Andrea Mura,
  • Giovanni Bongiovanni and
  • Francesco Quochi

Beilstein J. Nanotechnol. 2015, 6, 500–507, doi:10.3762/bjnano.6.52

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  • be exploited in innovative technological applications. SPR is a phenomena arising from the interaction between the incident electromagnetic radiation and the conduction electrons present on a metal surface. Such coupling leads to an enhancement and a spatial confinement of the electromagnetic field
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Published 19 Feb 2015

Hollow plasmonic antennas for broadband SERS spectroscopy

  • Gabriele C. Messina,
  • Mario Malerba,
  • Pierfrancesco Zilio,
  • Ermanno Miele,
  • Michele Dipalo,
  • Lorenzo Ferrara and
  • Francesco De Angelis

Beilstein J. Nanotechnol. 2015, 6, 492–498, doi:10.3762/bjnano.6.50

Graphical Abstract
  • NIR up to about 50% at 630 nm. Even though a complete analysis of the spectral features is not the main goal of this work, it can be noted that there is no one-to-one correspondence between absorption and field enhancement peaks. This behavior can be related to the fact that the electromagnetic
  • radiation can penetrate inside the hollow nanocavity, as demonstrated in our previous work [23], thus generating absorption peaks that do not produce a field enhancement at the upper antenna edge. Indeed, the field enhancement inside the nanocavity has been estimated to be on the order of 20–25× the
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Published 18 Feb 2015

Palladium nanoparticles anchored to anatase TiO2 for enhanced surface plasmon resonance-stimulated, visible-light-driven photocatalytic activity

  • Kah Hon Leong,
  • Hong Ye Chu,
  • Shaliza Ibrahim and
  • Pichiah Saravanan

Beilstein J. Nanotechnol. 2015, 6, 428–437, doi:10.3762/bjnano.6.43

Graphical Abstract
  • collective oscillation of conduction electrons that are induced by the incident electromagnetic radiation [9]. Moreover, the formation of Schottky barriers caused by the contact of noble metal NPs with the semiconductor photocatalyst further enhance the separation of electrons and holes, which in turn reduce
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Published 11 Feb 2015

Nanostructure sensitization of transition metal oxides for visible-light photocatalysis

  • Hongjun Chen and
  • Lianzhou Wang

Beilstein J. Nanotechnol. 2014, 5, 696–710, doi:10.3762/bjnano.5.82

Graphical Abstract
  • photocatalysis, the photo-response of the transition metal oxides would be required to be within the visible light spectrum. Visible light accounts for around 43% of the electromagnetic radiation on the planet’s surface compared to approximately 5% for UV light. Therefore, an appropriate photocatalyst should
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Published 23 May 2014
Graphical Abstract
  • for sensoric, optical and biomedical applications. Of special interest are surface plasmon resonances (SPRs) of Au nanostructures, because electromagnetic radiation is confined to a volume of sub-wavelength dimensions. It is known that field enhancements due to SPRs are strongly dependent on size
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Published 17 Dec 2012

Nanophotonics, nano-optics and nanospectroscopy

  • Alfred J. Meixner

Beilstein J. Nanotechnol. 2011, 2, 499–500, doi:10.3762/bjnano.2.53

Graphical Abstract
  • dimensions much smaller than the wavelength of electromagnetic radiation [7][8][9]. Well-known examples are the negative refractive index created by metamaterials [10][11], the quantum confinement observed in the absorption and luminescence spectra of semiconductor nanoparticles [12], and the plasmon
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Published 30 Aug 2011
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