Donghui Zhao, Himanshu Jain, Luis C. Malacarne e Paulo R. B. Pedreira

PHYSICA STATUS SOLIDI B-BASIC SOLID STATE PHYSICS – Volume: 250; Issue: 5; Special Issue: SI; Pages: 983-987; DOI: 10.1002/pssb.201248518

We present a photothermoelastic model for studying the photothermal effect in chalcogenide glasses. The temperature rise and thermoelastic expansion for a model material As2S3 glass are calculated. Our result indicates […]

V. Steffen, Lucio Cardozo Filho, Roberta R. Ribeiro De Almeida, Luiz R. Evangelista e Giovani Barbero

MOLECULAR CRYSTALS AND LIQUID CRYSTALS   Volume: 576   Issue: 1  Pages: 118-126   DOI: 10.1080/15421406.2013.789713

The fundamental equations of a Poisson-Boltzmann model to investigate the effects of a de-localized surface interaction energy on the ionic adsorption in a finite-length electrolytic cell are solved. Two distinct, physically plausible, […]

Luiz G. Andrade Alves, Haroldo V. Ribeiro e Renio S. Mendes

PHYSICA A-STATISTICAL MECHANICS AND ITS APPLICATIONS – Volume: 392; Issue: 11; Pages: 2672-2679; DOI: 10.1016/j.physa.2013.02.002

The increasing number of crimes in areas with large concentrations of people have made cities one of the main sources of violence. Understanding characteristics of how crime rate expands and its […]

Ervin K. Lenzi, Maike A. F. dos Santos, Flavio S. Michels, Renio S. Mendes e Luiz R. Evangelista

ENTROPY – Volume: 15; Issue: 9; Pages: 3931-3940; DOI: 10.3390/e15093931

We investigate solutions of a generalized diffusion equation that contains nonlinear terms in the presence of external forces and reaction terms. The solutions found here can have a compact or long tail behavior and can […]

Davi A. Oliveira, Antonio J. Palangana e Lia Q. Amaral

MOLECULAR CRYSTALS AND LIQUID CRYSTALS – Volume: 576; Issue: 1; Pages: 71-75; DOI: 10.1080/15421406.2013.789702

Measurements of optical refractive indices (ordinary and extraordinary), as a function of temperature, are reported for the heavy water / SDS molar ratio Mw = 36, with a decanol / SDS molar ratio […]

Valdirlei F. Freitas, Gustavo S. Dias, Otávio A. Protzek, Diogo Z. Montanher, Igor B. Catellani, Daniel M. Silva, Luiz F. Cótica e Ivair A. dos Santos

JOURNAL OF ADVANCED CERAMICS – Volume: 2; Issue: 2; Pages: 103-111; DOI: 10.1007/s40145-013-0052-2

In this review, the state of the art in understanding the structural phase relations in perovskite-structured BiFeO3-based polycrystalline solid solutions is presented and […]

Ricardo A. M. Gotardo, Luiz F. Cótica, Ivair A. Santos, M. Olzon-Dyonisio, S. D. Souza, Ducinei Garcia, José A. Eiras e A. A. Coelho

APPLIED PHYSICS A-MATERIALS SCIENCE & PROCESSING – Volume: 111; Issue: 2; Pages: 563-567; DOI: 10.1007/s00339-012-7258-y

Structurally tuned multiferroic state is demonstrated for BiFeO3-based compounds. The electric and magnetic orders are strongly affected by the coexistence of R3c and Cm phases, i.e., […]

Nelson G. Castelli Astrath, Gustavo V. Bassi Lukasievicz, Luis C. Malacarne e Stephen E. Bialkowski

APPLIED PHYSICS LETTERS – Volume: 102; Issue: 23; Article Number: 231903; DOI: 10.1063/1.4809924

The surface displacement produced by radiation pressure and electrostriction forces is investigated considering the commonly accepted theories proposed by Minkowski and Abraham for the energy-momentum tensor. The contributions are […]

Rafael S. Zola, Luiz R. Evangelista, Y.-C Yang e D.-K. Yang

PHYSICAL REVIEW LETTERS – Volume: 110; Issue: 5; Article Number: 057801; DOI: 10.1103/PhysRevLett.110.057801

We study the pattern formation of a chiral nematic liquid crystal under a wetting transition. In the isotropic-liquid crystal transition, a surface-enhanced effect happens and a thin liquid crystal layer forms at the […]