High-quality Cr-doped InGaAs/InP(100) MQWs grown by tert-butylarsine in a MOVPE apparatus (Articolo in rivista)

Type
Label
  • High-quality Cr-doped InGaAs/InP(100) MQWs grown by tert-butylarsine in a MOVPE apparatus (Articolo in rivista) (literal)
Anno
  • 2003-01-01T00:00:00+01:00 (literal)
Alternative label
  • Carta G., D'Andrea A., Fernández-Alonso F., Franco A., El Habra N., Righini M., Rossetto G., Schiumarini D., Selci S., Zanella P. (2003)
    High-quality Cr-doped InGaAs/InP(100) MQWs grown by tert-butylarsine in a MOVPE apparatus
    in Journal of crystal growth
    (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#autori
  • Carta G., D'Andrea A., Fernández-Alonso F., Franco A., El Habra N., Righini M., Rossetto G., Schiumarini D., Selci S., Zanella P. (literal)
Pagina inizio
  • 149 (literal)
Pagina fine
  • 152 (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#numeroVolume
  • 248 (literal)
Rivista
Note
  • ISI Web of Science (WOS) (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#affiliazioni
  • CNR - ISC CNR - ISM (literal)
Titolo
  • High-quality Cr-doped InGaAs/InP(100) MQWs grown by tert-butylarsine in a MOVPE apparatus (literal)
Abstract
  • We have studied the introduction of deep levels in InGaAs/InP multi quantum wells (MQW) grown by metal organic vapour phase epitaxy (MOVPE) using tert-butylarsine (tBuAsH2) as arsenic precursor as well as chromium (bis-cyclopentadienyl chromium) and zinc (dietyl-zinc) as dopant elements able to promote recombination centres in the ternary alloy. We have utilized secondary-ion mass spectrometry to measure dopant concentrations and high-resolution X-ray diffraction (HRXRD) for structural characterization. Particularly for the chromium-doped systems, frequency- and time-resolved optical spectroscopy of the MWQ ground-state transition confirms an increase of the carrier recombination rate upon an increase of defect density, while the electronic and structural properties of the sample are largely preserved. (literal)
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