Artigo

CO2 adsorption on polar surfaces of ZnO

29 de outubro de 2012 Rose Portasio 0

Writers: Sergio A. S. Farias. E. Longo, R. Gargano, João B. L. Martins Keywords: CO2 adsorption; Electronic localization function; First principles; Plane wave; ZnO Abstract: Physical and chemical adsorption of CO2 on ZnO surfaces were studied by means […]

Artigo

Modelling polymers with side chains: MEH-PPV and P3HT

28 de outubro de 2012 CDMF 0

Writers: A. Batagin-Neto; E. F. Oliveira; C. F.O. Graeff; & F. C. Lavarda Keywords: MEH-PPV; P3HT; electronic structure calculation; modelling branched polymers Abstract: Modelling polymers with side chains is always a challenge once the degrees of freedom are […]

Artigo

An experimental setup for shrinkage evaluation during electric field-assisted flash sintering: Application to yttria-stabilized zirconia

27 de outubro de 2012 Rose Portasio 0

Writers: R. Muccillo, E. N. S. Muccillo Keywords: Flash-sintering; Dilatometry; Impedance spectroscopy; FEG-SEM; Yttria-stabilized zirconia Abstract: Analyses of electrochemical impedance spectroscopy plots and dilatometric curves of ZrO2:Y2O3 (YSZ) green compacts upon sintering show the possibility of choosing the shrinkage level of […]