Cooperação entre os professores Maria A. Zaghete, Elson Longo e Adenilson J. Chiquito permite o desenvolvimento de pesquisas em nível do estado da arte em dispositivos semicondutores. Um exemplo dessa interação, é a investigação e […]
O elemento químico Nióbio, um metal de transição, está localizado na família 5-B da tabela periódica. Seu símbolo químico é Nb e seu número atômico é 41. Devido ao seu alto ponto de fusão é […]
Writers: Mamani, NC; da Silva, RT; de Zevallos, AO; Cotta, AAC; Macedo, WAD; Li, MS; Bernardi, MIB; Doriguetto, AC; de Carvalho, HB Keywords: Dilute magnetic oxides; Defect ferromagnetism; Co-doped ZnO thin films; Structural and magnetic characterization; diluted […]
Writers: R.C. Gouveia and H. Kamimura and R. Munhoz and A.D. Rodrigues and E.R. Leite and A.J. Chiquito Keywords: Nanostructures; Semiconductors; Raman spectroscopy; Transport properties Abstract: Germanium nanowires have been synthesized by the well known vapor-liquid-solid growth mechanism […]
Writers: M. Congiu and O. Nunes-Neto and M.L. De Marco and D. Dini and C.F.O. Graeff Keywords: Copper sulphide; Solar energy; Counter-electrodes; Ferrocene; Dye solar cells; Abstract: In this work, the application of hexagonal CuS nanoparticle layers as […]
Writers: Ricardo H. Gonçalves and Edson R. Leite Keywords: semiconductors; films; hematite ABSTRACT: Hematite is one of the most promising semiconductors used to convert solar irradiation directly into chemical energy (molecular hydrogen and oxygen) via water splitting. Although several methods […]
Writers: Larisa B. Arruda; Marcelo O. Orlandi; Paulo Noronha Lisboa-Filho Keywords: Semiconductors; Nanoparticles; ZnO; Amorphous; Electron microscopy Abstract: Application of nanoscale materials in photovoltaic and photocatalysis devices and photosensors are dramatically affected by surface morphology […]
Writers: Diogo P. Volanti, Anderson A. Felix, Marcelo O. Orlandi, George Whitfi eld, Dae-Jin Yang, Elson Longo, Harry L. Tuller and José A. Varela Keywords: copper(II) oxide; gas sensors; morphology; urchin-like structures; semiconductors Abstract: The […]
Writers: Larisa B. Arruda; Douglas M. G. Leite; Marcelo O. Orlandi; Wilson A. Ortiz; Paulo Noronha Lisboa-Filho Keywords: Dilute magnetic semiconductors; Co-doped zinc oxide; Magnetism Abstract: The understanding and control of ferromagnetism in diluted magnetic semiconducting oxides (DMO) is a special challenge in solid-state physics and materials science […]
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