1999
DOI: 10.3989/cyv.1999.v38.i6.896
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Comportamiento eléctrico del compuesto Bi<sub>5</sub>FeTi<sub>3</sub>O<sub>15</sub> y de sus soluciones sólidas con CaBi<sub>4</sub>Ti<sub>4</sub>O<sub>15</sub>

Abstract: Se ha preparado Bi 5 FeTi 3 O 15 (BiFT) por reacci-n en estado s-lido de los -xidos correspondientes. Se ha determinado su estructura cristalina por Difracci-n de Rayos X (DRX). Se han preparado compactos sinterizados con densidades superiores al 95%. Se ha determinado su temperatura de Curie, y la conductividad elŽctrica entre 150 y 850¼C. El presente trabajo se encamina al estudio y caracterizaci-n de las posibles soluciones s-lidas entre ambos compuestos desde un punto de vista cristalogr ‡fico y elŽctrico,… Show more

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Cited by 4 publications
(2 citation statements)
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“…In addition, enhanced planar mode parameters, a frequency constant ( N p ) of 2140 Hz m, an electromechanical coupling factor ( k p ) of 5.4%, and a mechanical quality factor ( Q mp ) of 2507, were achieved simultaneously in BTF‐3W. Table 5 provides a comparison of the T C and d 33 values of the ceramics prepared herein and those of previously reported BTF‐based ceramics 61–64 . From this table, it is clear that the high T C of 793°C and the large d 33 of 24.3 pC/N obtained for BTF‐3W are superior to those of previous works, demonstrating its potential for use in high‐temperature piezoelectric applications.…”
Section: Resultsmentioning
confidence: 76%
See 1 more Smart Citation
“…In addition, enhanced planar mode parameters, a frequency constant ( N p ) of 2140 Hz m, an electromechanical coupling factor ( k p ) of 5.4%, and a mechanical quality factor ( Q mp ) of 2507, were achieved simultaneously in BTF‐3W. Table 5 provides a comparison of the T C and d 33 values of the ceramics prepared herein and those of previously reported BTF‐based ceramics 61–64 . From this table, it is clear that the high T C of 793°C and the large d 33 of 24.3 pC/N obtained for BTF‐3W are superior to those of previous works, demonstrating its potential for use in high‐temperature piezoelectric applications.…”
Section: Resultsmentioning
confidence: 76%
“…Table 5 provides a comparison of the T C and d 33 values of the ceramics prepared herein and those of previously reported BTF-based ceramics. [61][62][63][64] From this table, it is clear that the high T C of 793 • C and the large d 33 of 24.3 pC/N obtained for BTF-3W are superior to those of previous works, demonstrating its potential for use in high-temperature piezoelectric applications. Since the thermal stability of piezoelectric properties plays a decisive role in determining the suitability of a material for high-temperature piezoelectric applications, in-situ d 33 measurements were performed in the temperature range of RT to 450 • C. As shown in Figure 9A, the in-situ d 33 values of BTF-100xW decrease slightly as the temperature increases.…”
Section: Resultsmentioning
confidence: 85%