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 […]

Cristine E. A. Carneiro, Flávio F. Ivashita, Ivan Granemann de Souza Junior, Cláudio M. D. de Souza, Andrea Paesano Jr, Antonio C. S. da Costa, Eduardo di Mauro, Henrique de Santana, Cássia T. B. V. Zaia e Dimas A. M. Zaia

INTERNATIONAL JOURNAL OF ASTROBIOLOGY – Volume: 12; Issue: 2; Pages: 149-160; DOI: 10.1017/S147355041300001

This study investigated […]

Vitor S. Zanuto, Leandro S. Herculano, Mauro L. Baesso, Gustavo V. Bassi Lukasievicz, Carlos Jacinto, Luis C. Malacarne e Nelson G. Castelli Astrath

OPTICAL MATERIALS  Volume: 35   Issue: 5   Pages: 1129-1133   DOI: 10.1016/j.optmat.2013.01.003

The Thermal mirror technique relies on measuring laser-induced nanoscale surface deformation of a solid sample. The amplitude of the effect is directly dependent on […]

Luiz Roberto Evangelista, Ervin Kaminski Lenzi e Giovanni Barbero

JOURNAL OF PHYSICS-CONDENSED MATTER – Volume: 25; Issue: 46; Article Number: 465104; DOI: 10.1088/0953-8984/25/46/465104

The consistency of the frequency response predicted by a class of electrochemical impedance expressions is analytically checked by invoking the Kramers–Kronig (KK) relations. These expressions are obtained in the context of Poisson–Nernst–Planck usual or anomalous diffusional […]

Tahmineh Sodaee, Ali Ghasemi, Ebrahim Paimozd, Andrea Paesano Jr. e Akimitsu Morisako

JOURNAL OF MAGNETISM AND MAGNETIC MATERIALS    Volume: 330  Pages: 169-173  DOI: 10.1016/j.jmmm.2012.10.050

Terbium substituted cobalt ferrite nanoparticles with composition of CoFe2−xTbxO4 (x=0–0.5 in a step of 0.1) were prepared employing a reverse micelle process. The effect of Tb3+ cations substitution on structural and magnetic properties […]

Ervin K. Lenzi, Haroldo V. Ribeiro, Maike A. F. dos Santos, Roberto Rossato e Renio S. Mendes

JOURNAL OF MATHEMATICAL PHYSICS  Volume: 54   Issue: 8  Article Number: 82107 DOI: 10.1063/1.4819253

We investigate, for an arbitrary initial condition, the time dependent solutions for a fractional Schrödinger equation in the presence of delta potentials by using the Green […]