Off-stoichiometry determination of II-VI bulk crystals (Articolo in rivista)

Type
Label
  • Off-stoichiometry determination of II-VI bulk crystals (Articolo in rivista) (literal)
Anno
  • 2008-01-01T00:00:00+01:00 (literal)
Alternative label
  • Zappettini A.; Spano N.; Mazzera M.; Guadalupi G.; Paorici C. (2008)
    Off-stoichiometry determination of II-VI bulk crystals
    in Journal of crystal growth
    (literal)
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  • Zappettini A.; Spano N.; Mazzera M.; Guadalupi G.; Paorici C. (literal)
Pagina inizio
  • 2080 (literal)
Pagina fine
  • 2084 (literal)
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  • 310 (literal)
Rivista
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#note
  • In: Journal of Crystal Growth, vol. 310 pp. 2080 - 2084. Elsevier B.V, 2008. (literal)
Note
  • ISI Web of Science (WOS) (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#affiliazioni
  • CNR-IMEM, Parma, CNR-IMEM, Parma and Venezia Tecnologie, Porto Marghera, VE, CNR-IMEM, Parma and Dipartimento di Fisica, Universit√† di Parma (literal)
Titolo
  • Off-stoichiometry determination of II-VI bulk crystals (literal)
Abstract
  • The measurement of impurity concentration in compound semiconductors reaches extremely high sensitivity. On the contrary, the methods for off-stoichiometry determination in II-VI crystals are not satisfactory. Some of the authors developed (in the past) a method for determining the off-stoichiometry in CdTe crystals measuring the high-temperature optical densities of vapors in equilibrium with solid samples. Thanks to accurate calibrations, the partial pressure of the vapor/solid systems could be derived and exploited to evaluate the sample off-stoichiometry. In the present work, the calibration procedures are shown for the determination of partial pressure for sulfides and selenides. The off-stoichiometry is derived for ZnTe, CdS and CdSe samples and the method effectiveness is confirmed. (literal)
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