Thanatep Phatungthane, Gobwute Rujijanagul, Kamonpan Pengpat, Sukum Eitssayeam, Tawee Tunkasiri, Luiz F. Cótica, Ruyan Guo e Amar S. Bhalla

Current Applied Physics – Volume: 14; Issue: 12; Pages: 1819–1824; DOI:10.1016/j.cap.2014.09.026

In this work, ((1−x)Ba(Fe1/2Ta1/2)O3-xBa(Zn1/3Ta2/3)O3), ((1−x)BFT-xBZT) ceramics with x = 0.00–0.12 were synthesized by the solid–state reaction method. X-ray diffraction data revealed that both the powders and ceramics were […]

Alexandre F. B. Duarte, Jessica de M. G. Pereira, Marcelo K. Lenzi, Giane Gonçalves, Roberto Rossato e Ervin K. Lenzi

Acta Scientiarum. Technology – Volume: 36; Issue: 4; Pages: 657-662; DOI: 10.4025/actascitechnol.v36i4.24413

We investigate for the diffusion equation the differences manifested by the solutions when three different types of spatial differential operators of noninteger (or fractional) order are considered […]

Thiago P. Rodrigues, Vitor S. Zanuto, Renato A. Cruz, Tomaz Catunda, Mauro L. Baesso, Nelson G. Castelli Astrath e Luis C. Malacarne

Optics Letters – Volume: 39; Issue: 13; Pages: 4013-4016; DOI: 10.1364/OL.39.004013

Thermal lens (TL) is a key effect in laser engineering and photothermal spectroscopy. The amplitude of the TL signal or its dioptric power is […]

Renato F. de Souza, Deng-Ke Yang, Ervin K. Lenzi, Luiz R. Evangelista e Rafael S. Zola

Annals of Physics – Volume: 346; Pages: 14–21; DOI: 10.1016/j.aop.2014.04.001

An analytical expression for the relaxation time of a nematic liquid crystal is obtained for the first time by considering the influence of surface viscosity, anchoring energy strength and cell gap, validated numerically […]

Gustavo S. Dias, Luiz Gustavo D. Silveira, Luiz F. Cótica, Ivair A. Santos, Adelino A. Coelho, Ducinei Garcia, José A. Eiras e Juraci A. Sampaio

Scripta Materialia – Volume: 89; Pages: 65–68; DOI: 10.1016/j.scriptamat.2014.06.028

Nanostructured orthorhombic TbMnO3 polycrystals were synthesized by high-energy ball milling and annealing in Ar or O2 atmospheres. Oxygen annealed samples show shrunken unit cells […]

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

Physica A: Statistical Mechanics and its Applications – Volume: 409; Pages: 175–182; DOI: 10.1016/j.physa.2014.04.046

We report on the existing connection between power-law distributions and allometries. As it was first reported in Gomez-Lievano et al. (2012) for the relationship between homicides and population, when these […]

R. Udayabhaskara, B. Karthikeyana, Muhamed Shafi Ollakkanb, R. V. Mangalarajac e Mauro L. Baesso

Chemical Physics Letters – Volume: 593; Pages: 1–6; DOI: 10.1016/j.cplett.2013.12.058

In this letter, we prepared and studied the plasmon, fluorescence and optical limiting properties of silver ion-exchanged glasses followed by an external thermal treatment for clusterization inside the glass matrix. TEM (Transmission electron microscopy) […]

Thangaraj Pandiyarajan, Mauro L. Baesso e Balasubramanian Karthikeyan

The European Physical Journal D – Volume: 68: Issue: 2; Pages: 28-36; DOI: 10.1140/epjd/e2013-40363-3

We present secondary phase identification studies on Cr doped ZnO nanoparticles prepared by the sol-gel method. X-ray diffraction analysis confirms the formation of chromium oxides and there is found to be an increase of lattice parameter with […]