Detailed structure of the H-N-H center in GaAsyN1-y revealed by vibrational spectroscopy under uniaxial stress (Articolo in rivista)

Type
Label
  • Detailed structure of the H-N-H center in GaAsyN1-y revealed by vibrational spectroscopy under uniaxial stress (Articolo in rivista) (literal)
Anno
  • 2010-01-01T00:00:00+01:00 (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#doi
  • 10.1103/PhysRevB.81.233201 (literal)
Alternative label
  • Wen, L.; Bekisli, F.; Stavola, M.; Fowler, W. B.; Trotta, R.; Polimeni, A.; Capizzi, M.; Rubini, S.; Martelli, F. (2010)
    Detailed structure of the H-N-H center in GaAsyN1-y revealed by vibrational spectroscopy under uniaxial stress
    in Physical review. B, Condensed matter and materials physics
    (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#autori
  • Wen, L.; Bekisli, F.; Stavola, M.; Fowler, W. B.; Trotta, R.; Polimeni, A.; Capizzi, M.; Rubini, S.; Martelli, F. (literal)
Pagina inizio
  • 233201 (literal)
Pagina fine
  • 233201 (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#numeroVolume
  • 81 (literal)
Rivista
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#pagineTotali
  • 4 (literal)
Note
  • ISI Web of Science (WOS) (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#affiliazioni
  • 1. Lehigh Univ, Dept Phys, Bethlehem, PA 18015 USA 2. Lehigh Univ, Sherman Fairchild Lab, Bethlehem, PA 18015 USA 3. Univ Roma La Sapienza, CNISM, I-00185 Rome, Italy 4. Univ Roma La Sapienza, Dipartimento Fis, I-00185 Rome, Italy 5. CNR, INFM, Lab Nazl TASC, I-34012 Trieste, Italy (literal)
Titolo
  • Detailed structure of the H-N-H center in GaAsyN1-y revealed by vibrational spectroscopy under uniaxial stress (literal)
Abstract
  • The H-N-H center in GaAs1-yNy that is responsible for the band-gap shift caused by H has been studied by infrared spectroscopy in conjunction with uniaxial stress and by theory. Rich, microscopic details about its canted structure are obtained. The splitting of the infrared lines confirms the C-1h symmetry of the defect and yields a quantitative value for the canting angle of the center. The reorientation barrier of the defect is estimated from stress-induced reorientation at temperatures near 30 K to be 96 meV. (literal)
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