Zobrazeno 1 - 10
of 118
pro vyhledávání: '"M.E. Villafuerte-Castrejón"'
Autor:
Amador M. González, Lorena Pardo, M.E. Villafuerte-Castrejón, Armando Reyes-Montero, Álvaro López García
Publikováno v:
Journal of Alloys and Compounds. 806:428-438
Thickness poled, monomodal shear plate resonators were used for determination of shear coefficients of piezoelectric Ba1−xCaxTi0.90Zr0·10O3 ceramics with x = 0.10–0.18. The analysis of the impedance at resonance to obtain the coefficients was ma
Autor:
Rigoberto López-Juárez, Armando Reyes-Montero, M.E. Villafuerte-Castrejón, Brenda Carreño-Jiménez
Publikováno v:
Journal of Electronic Materials. 47:6053-6058
The lead-free solid solution $$ (1-x) $$ (K0.48Na0.52)0.95Li0.05Nb0.95Sb0.05O3-xBa0.5(Bi0.5Na0.5)0.5ZrO3 [KNLNS-xBBNZ] with 0.02
Publikováno v:
Journal of Materials Science: Materials in Electronics. 27:7369-7373
Lead-free piezoelectric ceramics with 0.96(K0.48Na0.52)0.95Li0.05Nb1−xSbxO3–0.04BaZrO3 (0.07 ≤ x ≤ 0.09) and 1 mol% CuO (KNLNSx–BZ–CuO) compositions were prepared with hard characteristics for possible application on piezoelectric transfo
Autor:
Armando Reyes-Montero, Rigoberto López-Juárez, A. del Campo, Fernando Rubio-Marcos, Lorena Pardo, M.E. Villafuerte-Castrejón
Publikováno v:
Digital.CSIC. Repositorio Institucional del CSIC
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[en] The attention on piezoelectric devices has been moved in the past decade to lead-free ceramics, especially on (Ba,Ca)(Ti,Zr)O-based materials, due to growing environmental concerns. Here we report a systematic evaluation of the effect that elect
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::38bb9c172cc2cc783f36a7370e19b9bb
http://hdl.handle.net/10261/214005
http://hdl.handle.net/10261/214005
Dielectric, Ferroelectric, and Piezoelectric Properties of Mn-Doped K0.5Na0.5NbO3 Lead-Free Ceramics
Publikováno v:
Journal of Electronic Materials. 44:2862-2868
In this work, study of manganese-doped potassium-sodium niobate ceramics was performed. It was found that, with increasing Mn2+ content from 1 mol.% to 1.5 mol.%, the Q m changed from 60 to near 500 with no appreciable detriment in piezoelectric prop
Publikováno v:
Ceramics International. 40:14757-14764
Synthesis of sodium and potassium–sodium niobates (NaNbO 3 and K 0.5 Na 0.5 NbO 3 ) was achieved by reducing the reaction time via microwave-assisted hydrothermal route. Sodium niobate was synthesized at 180 °C for 15 min using NaOH 6 M. During th
Autor:
M.A. Domínguez-Crespo, José Andrés Matutes-Aquino, M.E. Villafuerte-Castrejón, A.M. Torres-Huerta, Amador M. González, D.S. García-Zaleta
Publikováno v:
Ceramics International. 40:9225-9233
In this work, the synthesis of a series of solid solutions of Bi 1− x La x FeO 3 (BLFO) (0≤ x ≤ 0.15) obtained by the Pechini method is reported. The effects of lanthanum concentrations on the phase formation, grain size, as well as electric an
Autor:
Emilio Morán, Raúl W. Gómez, F. González-García, Vivianne Marquina, Jesús Prado-Gonjal, J.L. Pérez-Mazariego, David Ávila, L. Fuentes, M.E. Villafuerte-Castrejón
Publikováno v:
Solid State Sciences. 13:2030-2036
Multiferroic BiFeO3 has been rapidly synthesized by a microwave – hydrothermal method using nitrates as the metallic source. Structural characterization was performed by thermal analysis, X-ray diffraction and transmission electron microscopy. Gene
Autor:
Amador M. González, Mar García-Hernández, L. Fuentes, Emilio Morán, M.A. de la Rubia, M.E. Villafuerte-Castrejón, M. Garcia‐Guaderrama, Jesús Prado-Gonjal
Publikováno v:
Inorganic Chemistry. 50:8340-8347
In this work, the sol-gel synthesis, structural characterization, and transport properties of a new solid solution of the general formula La(x)Bi(1-x)Fe(0.5)Cr(0.5)O(3) (0.4 ≤ x ≤ 1) are presented. The solubility limit x has been determined and v
Publikováno v:
Materials Research Bulletin. 46:70-74
Potassium–sodium niobate was synthesized at 800 °C for 1 h using dried precursors in a powder form obtained by the spray drying method. Different samples were sintered from 1060 to 1120 °C for 2 h reaching a relative density as high as 96% of the