Guilherme M. Santos, Daniel M. Silva, Valdirlei F. Freitas, Gustavo S. Dias, Adelino A. Coelho, M. Pal, Ivair A. Santos, Luiz F. Cótica, Ruyan Guo e Amar S. Bhalla

Ferroelectrics – Volume: 460; Issue: 1; Pages: 108-116; DOI: 10.1080/00150193.2014.875332

The lead-free AlFeO3-based compounds are attractive multiferroic materials, as those present piezoelectricity and ferrimagnetism at low temperatures. In this work […]

Ricardo A. M. Gotardo, Diogo Z. Montanher, Otávio A. Protzek, Luiz F. Cótica, Ivair A. Santos, Diego S. F. Viana, William J. Nascimento, Ducinei Garcia, José A. Eiras

Advanced Materials Research – Volume: 975; Pages: 257-262; DOI: 10.4028/www.scientific.net/AMR.975.257

In this work, high dense, single phase ceramics of the 0.3BiFeO3 0.7BaTiO3 multiferroic solid solution were prepared by spark plasma sintering. […]

Alysson Steimacher, Marcio J. Barboza, Franciana Pedrochi, Nelson G. C. Astrath, Jurandir H. Rohling, Mauro L. Baesso e Antonio Medina Neto

Optical Materials – Volume: 37; Pages: 531–536; DOI: 10.1016/j.optmat.2014.07.018

Previous works have showed that calcium aluminosilicate (CAS) glasses, when prepared under vacuum conditions, are good candidates for solid state laser medium hosts and optical devices due to […]

Aloisi Somer, Julia G. Camilotti, A. Gonçalves, Claudia Bonardi K. da Cruz, Gerson K. da Cruz, Flavio L. Beltrame, Francielle Sato, Nelson G. Castelli Astrath e Andressa Novatski

Spectroscopy Letters: An International Journal for Rapid Communication – Volume: 48; Issue: 6; Pages: 427-430; DOI: 10.1080/00387010.2014.902853

In this study, photoacoustic spectroscopy was used to quantify polyvinylpyrrolidone in paracetamol samples with different proportions […]

Shalimar C. Zanatta, Flávio F. Ivashita, Klebson L. da Silva, Carla F. Cerqueira Machado e Andrea Paesano Jr.

Hyperfine Interact – Volume: 224; Pages: 307–312; DOI 10.1007/s10751-013-0813-x

We have investigated the mechanosynthesis of gadolinium iron garnet (GdIG) by high-energy ball-milling of 3.(Gd2O3) + 10.(α-Fe) followed by thermal annealing conducted at moderate temperatures (1100 ◦C). The samples were characterized by X-ray diffraction and Mössbauer spectroscopy in […]

Patrick S. Simonário, Fernando C. Messias Freire, Luiz R. Evangelista, Rodolfo Teixeira Souza

Physics Letters A – Volume: 378; Issue: 4; Pages: 453–458; DOI:10.1016/j.physleta.2013.12.020

The bulk and the surface-like elastic constants of a nematic liquid crystal are calculated for an ensemble of particles interacting via anisotropic dispersion forces using the pseudo-molecular method. The geometrical anisotropy of the molecules is […]

Otávio A. Capeloto, Gustavo V. B. Lukasievicz, Vitor S. Zanuto, Leandro S. Herculano, Nilson E. Souza Filho, Andressa Novatski, Luis C. Malacarne, Stephen E. Bialkowski, Mauro L. Baesso e Nelson G. Castelli Astrath

Applied Optics – Volume: 53; Issue: 33; Pages: 7985-7991; DOI: 10.1364/AO.53.007985

The time-resolved thermal mirror technique is developed under pulsed laser excitation for quantitative […]

Hossein Nemati, Rafael S. Zola e Deng-Ke Yang

New Journal of Physics – Volume: 45; Issue: 1; Pages: 1500–1503; DOI: 10.1002/j.2168-0159.2014.tb00398.x

We developed reflective cholesteric displays whose color and reflectance can be electrically tuned. The displays were made from polymer stabilized cholesteric liquid crystals. Monomers and cholesteric liquid crystals were mixed and then polymerized under UV light. When the monomer […]

Ervin K. Lenzi, Marcelo K. Lenzi, Rafael S. Zola, Haroldo V. Ribeiro, Fernanda C. Zola, Luiz R. Evangelista e Giane Gonçalves

Physica A: Statistical Mechanics and its Applications – Volume: 410; Pages 399–406; DOI: 10.1016/j.physa.2014.05.055

The reaction process occurring on a solid surface where active sites are present is investigated. The phenomenon is described by a linear kinetic […]

Luis C. Malacarne, Elton L. Savi, Mauro L. Baesso, Ervin K. Lenzi e Nelson G. Castelli Astrath

The Journal of Physical Chemistry. A – Volume: 118; Issue: 31; Pages: 5983–5988; DOI: 10.1021/jp505255a

Photophysics processes are ubiquitous in nature and difficult to be quantitatively characterized by conventional spectroscopy. Alternatively, pump–probe methods have been widely applied to study these complex processes. […]