Zobrazeno 1 - 10
of 49
pro vyhledávání: '"Fábio Teixeira Dias"'
Autor:
M. L. Hneda, Jacob Schaf, F Mesquita, Fábio Teixeira Dias, S.T. Jaeckel, Paulo Pureur, V. N. Vieira
Publikováno v:
IEEE Transactions on Magnetics. 57:1-5
In this article, we investigated the effects of chemical doping on the diamagnetic thermodynamic fluctuations (DTFs) of YBa2Cu2.97X0.03O $_{7-\delta}$ (X = Au, Ni, Zn, and Mg) single crystals. In-plane dc zero field cooled [ $M_{\mathrm {ZFC}}(T)$ ]
Autor:
Franciele Nunes de Siqueira, João Frederico Haas Leandro Monteiro, Fábio Teixeira Dias, Jorge Luiz Pimentel Júnior, Alcione Roberto Jurelo
Publikováno v:
Brazilian Journal of Physics. 49:646-653
Ni substitution effects on the Fe1-xNixSe0.5Te0.5 (x = 0.00, x = 0.05, and x = 0.10) superconductor structure were studied. The polycrystalline samples were synthesized using the solid-state reaction method. The morphology of the samples consists of
Autor:
Fábio Teixeira Dias, S.T. Jaeckel, V.N. Vieira, F Mesquita, Jacob Schaf, Paulo Pureur, L.F. Lopes
Publikováno v:
Materials Today: Proceedings. 14:22-25
We report on reversible dc magnetization data of the YBa2Cu3O7-δ, YBa2Cu2.97Zn0.03O7-δ, YBa2Cu2.97Mg0.03O7-δ and YBa2Cu2.97Ni0.03O7-δ single crystals with the aim of studying the contribution of the divalent chemical doping on the diamagnetic the
Autor:
Jorge Luiz Pimentel Júnior, Fábio Teixeira Dias, Ezequiel Costa Siqueira, Alcione Roberto Jurelo, Mariana Braga Marciniak, João Frederico Haas Leandro Monteiro
Publikováno v:
Journal of Crystal Growth. 478:129-133
This paper reports on the microstructure of NiTe 2 samples grown with different concentrations of Te and thermal gradient. Large crystals were obtained through a self-flux method. Two phases were identified within the Ni-Te system and their stoichiom
Autor:
Sandra Teixeira Jaeckel, Luciano da Silva Berchon, Fábio Teixeira Dias, V. N. Vieira, Paulo Pureur, M. L. Hneda, Rosângela Menegotto Costa
Publikováno v:
Physics Letters A. 381:1255-1260
Fluctuation conductivity is experimentally studied in the genuine critical region near the superconducting transition of YBa 2 Cu 3 O 7 − δ , YBa 2 Cu 2.985 Fe 0.015 O 7 − δ and Y 0.95 Ca 0.05 Ba 2 Cu 3 O 7 − δ single crystal samples. Two fl
Gaussian and critical scalings in the magnetoconductivity fluctuations of Y3Ba5Cu8O18 superconductor
Autor:
F Mesquita, Frederik Wolff-Fabris, C. P. Oliveira, V. N. Vieira, Fábio Teixeira Dias, J. R. Lima, Erik Kampert, Douglas Langie da Silva, Paulo Pureur
We have studied the superconducting transition and the magnetoconductivity fluctuations in the polycrystalline Y3Ba5Cu8O[Formula: see text] (Y358) superconductor under magnetic fields upto 1 T. A two-step superconducting transition could be observed
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::387d0f72cc9c1b1ff29431adeb7c9ae4
http://wrap.warwick.ac.uk/114298/7/WRAP-Gaussian-critical-scalings-magnetoconductivity-fluctuations-Kampert-2018.pdf
http://wrap.warwick.ac.uk/114298/7/WRAP-Gaussian-critical-scalings-magnetoconductivity-fluctuations-Kampert-2018.pdf
Autor:
Valdemar das Neves Vieira, Erik Kampert, Fábio Teixeira Dias, Joan Josep Roa, Frederik Wolff-Fabris, Evelin da Luz Garcia, Cristol de Paiva Gouvêa, Jacob Schaf, Xavier Obradors, Teresa Puig Molina
Publikováno v:
Physica C: Superconductivity and its Applications. 529:44-49
We have studied the functional behavior of the field-cooled (FC) magnetic relaxation observed in melt-textured YBa2Cu3O7-δ (Y123) samples with 30 wt% of Y2Ba1Cu1O5 (Y211) phase, in order to investigate anomalous paramagnetic moments observed during
Autor:
Alcione Roberto Jurelo, Fábio Teixeira Dias, Francisco C. Serbena, Sergey L. Bud'ko, Lincoln Brum de Leite Gusmão Pinheiro, Gelson B. de Souza, Simone Aparecida da Silva, Alexander Thaler, Alexandre Mikowski, Paul C. Canfield
Publikováno v:
Journal of Materials Research. 31:1413-1422
The mechanical behavior of superconductor lamellar-like BaFe2As2 single crystals was investigated at nanoscale by instrumented indentation. The unique responses of the ab — and a (b) c-crystallographic planes were discussed based on their influence
Autor:
Jacob Schaf, Fábio Teixeira Dias, Cristol de Paiva Gouvêa, Paulo Pureur, V. N. Vieira, M. L. Hneda
Publikováno v:
IEEE Transactions on Applied Superconductivity. 26:1-4
We report on dc magnetization data collected from a modified superficial pinning potential YBa 2 Cu 3 O 7-δ single crystal with the goal of checking the majority contribution of the magnetic flux compression scenario to the high-field paramagnetic M
Publikováno v:
Brazilian Journal of Physics. 45:238-243
Raman scattering measurements on iron–pnictide Mn-doped BaFe2As2 single crystals are reported. Single crystals were grown out of a FeAs self-flux using conventional high-temperature solution growth and characterized by X-ray diffraction, atomic for