An all optical mapping of the strain field in GaAsN/GaAsN:H wires (Articolo in rivista)

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  • An all optical mapping of the strain field in GaAsN/GaAsN:H wires (Articolo in rivista) (literal)
Anno
  • 2012-01-01T00:00:00+01:00 (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#doi
  • 10.1063/1.4766285 (literal)
Alternative label
  • Geddo M, Giulotto E, Grandi M S, Patrini M, Trotta R, Polimeni A, Capizzi M, Martelli F, Rubini S (2012)
    An all optical mapping of the strain field in GaAsN/GaAsN:H wires
    in Applied physics letters
    (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#autori
  • Geddo M, Giulotto E, Grandi M S, Patrini M, Trotta R, Polimeni A, Capizzi M, Martelli F, Rubini S (literal)
Pagina inizio
  • 191908-1 (literal)
Pagina fine
  • 191908-4 (literal)
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  • http://scitation.aip.org/getpdf/servlet/GetPDFServlet?filetype=pdf&id=APPLAB000101000019191908000001&idtype=cvips&doi=10.1063/1.4766285&prog=normal (literal)
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  • 101 (literal)
Rivista
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  • 4 (literal)
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  • 19 (literal)
Note
  • ISI Web of Science (WOS) (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#affiliazioni
  • [ 1 ] Univ Pavia, CNISM Dipartimento Fis, I-27100 Pavia, Italy [ 2 ] Univ Roma La Sapienza, CNISM Dipartimento Fis, I-00185 Rome, Italy [ 3 ] Johannes Kepler Univ Linz, Inst Semicond & Solid State Phys, A-4040 Linz, Austria [ 4 ] Lab Nazl TASC IOM CNR, I-34012 Trieste, Italy (literal)
Titolo
  • An all optical mapping of the strain field in GaAsN/GaAsN:H wires (literal)
Abstract
  • GaAsN/GaAsN:H heterostructures were made by an in-plane selective hydrogen incorporation controlled by H-opaque metallic masks. The strain field and hydrogen distributions in GaAsN micro-sized wires thus obtained have been mapped by an all optical procedure that combines micro-Raman scattering and photoreflectance spectroscopy. The strain field is related to the formation of N-H complexes along the hydrogen diffusion profile with an ensuing expansion of the GaAsN lattice whose patterning generates an anisotropic stress in the sample growth plane. These results highlight a powerful non-invasive tool to simultaneously determine both the H diffusion profile and the related strain field distribution. (literal)
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