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@Article{TavaresSPCSOFRA:2017:InNePh,
               author = "Tavares, M. A. B. and Silva, M. J. da and Peres, M. L. and Castro, 
                         S. de and Soares, D. A. W. and Okasaki, Anderson Kenji and 
                         Fornari, Celso Israel and Rappl, Paulo Henrique de Oliveira and 
                         Abramof, Eduardo",
          affiliation = "{Universidade Federal de Itajub{\'a} (UNIFEI)} and {Universidade 
                         Federal de Itajub{\'a} (UNIFEI)} and {Universidade Federal de 
                         Itajub{\'a} (UNIFEI)} and {Universidade Federal de S{\~a}o 
                         Carlos (UFSCar)} and {Universidade Federal de Itajub{\'a} 
                         (UNIFEI)} and {Instituto Nacional de Pesquisas Espaciais (INPE)} 
                         and {Instituto Nacional de Pesquisas Espaciais (INPE)} and 
                         {Instituto Nacional de Pesquisas Espaciais (INPE)} and {Instituto 
                         Nacional de Pesquisas Espaciais (INPE)}",
                title = "Investigation of negative photoconductivity in p-type Pb1-xSnxTe 
                         film",
              journal = "Applied Physics Letters",
                 year = "2017",
               volume = "110",
               number = "4",
                pages = "042102",
             abstract = "We investigated the negative photoconductivity (NPC) effect that 
                         was observed in a p-type Pb1-xSnxTe film for temperatures varying 
                         from 300 K down to 85 K. We found that this effect is a 
                         consequence of defect states located in the bandgap which act as 
                         trapping levels, changing the relation between generation and 
                         recombination rates. Theoretical calculations predict 
                         contributions to the NPC from both conduction and valence bands, 
                         which are in accordance with the experimental observations.",
                  doi = "10.1063/1.4974539",
                  url = "http://dx.doi.org/10.1063/1.4974539",
                 issn = "0003-6951",
             language = "en",
           targetfile = "tavares_investigation.pdf",
        urlaccessdate = "24 nov. 2020"
}


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