Mês: fevereiro 2012

Artigo

Multiscale Fractal Descriptors Applied to Nanoscale Images

28 de fevereiro de 2012 CDMF 0

Writers: João B. Florindo; Mariana S. Sikora; Ernesto C. Pereira; and Odemir M. Bruno Keywords: Porous titanium oxide; Nanomaterials; Pattern recognition; Fractal dimension; Fractal descriptors Abstract: This work proposes the application of fractal descriptors to the analysis of nanoscale materials under different experimental conditions. We obtain descriptors […]

Artigo

Sonochemical Synthesis and Magnetism in Co-doped ZnO Nanoparticles

27 de fevereiro de 2012 CDMF 0

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 […]