ListarDepartament: Química Física i Analítica por tema "defects"

Mostrando ítems 1-4 de 4

    • openAccess   Disclosing the nature of vacancy defects in α-Ag2WO4 

      Assis, Marcelo de; Castro, M. S.; Aldao, C. M.; Buono, C.; Ortega, P. P.; Teodoro, M. D.; Andres, Juan; Gouveia, Amanda; Simões, Alexandre; Longo, Elson; Macchi, C. E.; Somoza, Alberto; Moura, F.; Ponce, Miguel Adolfo Elsevier (2023-08)
      Defects at semiconductors with electron acceptor and donor sites govern the electronic and optoelectronic applications due to their unique electronic properties. This work provides deep insight into the nature of defects and ...

    • openAccess   Manganese Defective Clustering: Influence on the Spectroscopic Features of Ceria-Based Nanomaterials 

      Amaral, D.C.; Rosa Rocha, Leandro Silva; Granone, Luis Ignacio; Lage, M.M.; Churio, Maria Sandra; Sanchez, M. D.; Longo, Elson; Nascimento, H. M. S.; Assis, Marcelo de; Moura, F.; Ponce, M. A. American Chemical Society (2023-07-21)
      The influence of manganese modification on the spectroscopic features of manganese-doped CeO2 systems synthesized by the microwave-assisted hydrothermal route and their correlation with the presence of O defective structures ...

    • openAccess   Revealing the Nature of Defects in α-Ag2WO4 by Positron Annihilation Lifetime Spectroscopy: A Joint Experimental and Theoretical Study 

      Assis, Marcelo de; Ponce, Miguel Adolfo; Gouveia, Amanda; de Souza, Daniele; Costa, João Paulo; Teodoro , Vinícius; Galvão Gobato, Yara; Andres, Juan; Macchi, Carlos; Somoza, Alberto; Longo, Elson American Chemical Society (2021)
      Electron–matter coupling is a fascinating way to tune and modify the properties of materials. In this work, we present a study on the formation and nature of vacancy-like defects in α-Ag2WO4 samples synthesized in a water ...

    • closedAccess   Structural properties and self-activated photoluminescence emissions in hydroxyapatite with distinct particle shapes 

      Machado, Thales Rafael; Sczancoski, Júlio César; Beltrán Mir, Héctor; Siu Li, Maximo; Andres, Juan; Cordoncillo, Eloisa; Leite, Edson R.; Longo, Elson Elsevier (2018-01)
      The understanding on defect-related photoluminescence (PL) properties of hydroxyapatite (HA) particles has a fundamental importance in the technological field for the development of new non-toxic biomedical and optical ...