Renato R. Guimarães, Renio S. Mendes, Paulo R. Garcia Fernandes e Hatsumi Mukai

JOURNAL OF PHYSICS: CONDENSED MATTER – Volume: 25; Issue: 40; Article Number: 404203; DOI: 10.1088/0953-8984/25/40/404203

Topological defects can appear whenever there is some type of ordering. Its ubiquity in nature has been the subject of several studies, from early Universe to condensed matter. In […]

Ervin K. Lenzi, Paulo R. Garcia Fernandes, Thiago Petrucci, Hatsumi Mukai, Haroldo V. Ribeiro, Marcelo K. Lenzi e Giane Gonçalves

INTERNATIONAL JOURNAL OF ELECTROCHEMICAL SCIENCE – Volume: 8; Issue: 2; Pages: 2849-2862; DOI: 10.1080/15421406.2013.789423

We analyze the electrical response obtained in the framework of a model in which the diffusion of mobile ions in the bulk is […]

Perseu A. Santoro, Ervin K. Lenzi, Luiz R. Evangelista, F. Ciuchi, A. Mazzulla e N. Scaramuzza

MOLECULAR CRYSTALS AND LIQUID CRYSTALS – Volume: 576; Issue: 1; Pages: 23-31; DOI: 10.1080/15421406.2013.789423

The electrical impedance response of six nematic liquid crystals samples is analyzed by means of an extension of the Poisson-Nernst-Planck diffusional model. This formulation includes fractional derivatives […]

Haroldo V. Ribeiro, Renato R. Guimarães, Rodolfo T. Souza, Hatsumi Mukai, Paulo R. Garcia Fernandes, Ervin K. Lenzi, e Renio S. Mendes

PHYSICAL REVIEW E – Volume: 87; Issue: 5; Article Number: 054501; DOI: 10.1103/PhysRevE.87.054501

We report on the dynamical behavior of defects of strength s = ± 1/2 in a lyotropic liquid crystal during the annihilation […]

Jun Shen, Jianqin Zhou, Caikang Gu, Stuart Neill, Kirk H. Michaelian, Craig Fairbridge, Nelson G. Castelli Astrath e Mauro L. Baesso

REVIEW OF SCIENTIFIC INSTRUMENTS – Volume: 84; Pages: 124902; DOI: 10.1063/1.4846255

A simplified theoretical model was developed for the thermal-wave cavity (TWC) technique in this study. This model takes thermal radiation into account and can be […]

Taiana G. Moretti Bonadio, Francielle Sato, Antonio Medina Neto, Wilson R. Weinand, Mauro L. Baesso e Walter M. Lima

JOURNAL OF APPLIED PHYSICS – Volume: 113; Issue: 22; Article Number: 223505; DOI: 10.1063/1.4809653

In this work, we investigate the bioactivity and structural properties of nanostructured bulkcomposites that are composed of Nb 2O5 and natural hydroxyapatite (HAp) and […]

Fernando C. Messias Freire, Newller M. Kimura, Danilo D. Luders, Antonio J. Palangana e Manuel Simões

PHYSICAL REVIEW E – Volume: 88; Issue: 6; Article Number: 64502; DOI: 10.1103/PhysRevE.88.064502

In this work we will use digital images to compute the entropy dependence on temperature of a nematic lyotropic sample. The set of images comprehend the entire temperature […]

Rafael S. Zola, Hossein Nemati, Young-Cheol Yang, Deng-Ke Yang, Chao-Chiun Liang, Kung-Lung Cheng, Frank Shiu e Chen-Chu Tsai

JOURNAL OF THE SOCIETY FOR INFORMATION DISPLAY – Volume: 21; Issue: 1-3; Pages: 22-28; DOI: 10.1002/jsid.142

In this article, we report our study of a dual mode reflective cholesteric display, which works in the traditional bistable mode as well […]