Artículo
Enhanced Thermal Stability in Dielectric Properties of NaNbO3 –Modified BaTiO3 –BiMg1/2 Ti1/2 O3 Ceramics for X9R-MLCC Applications
Muhammad, Raz; Ali, Asif; Camargo, Javier Eduardo
; Castro, Miriam Susana
; Lei, Wen; Song, Kaixin; Wang, Dawei
Fecha de publicación:
02/2022
Editorial:
MDPI
Revista:
Crystals
e-ISSN:
2073-4352
Idioma:
Inglés
Tipo de recurso:
Artículo publicado
Clasificación temática:
Resumen
0.5BaTiO3 –(0.5 − x)BiMg1/2 Ti1/2 O3 –xNaNbO3 (x = 0.10–0.30) ceramics were processed via a conventional solid state sintering route. X-ray diffraction analysis and Raman spectroscopy showed the formation of a cubic perovskite structure. Microstructural analysis of the samples revealed densely packed grains. The addition of NaNbO3 resulted in the enhancement in dielectric properties as a function of temperature. Relative permittivity decreased from 850 to 564 (at room temperature) with an increase in x; however, the stability in dielectric properties was improved with an increase in NaNbO3 concentration. At x = 0.25, relative permittivity (εr ) was ~630 ± 15% in a temperature range of −70–220◦ C with low dielectric loss (tan δ) < 0.025 (−57 to 350◦ C) and high recoverable energy density ~0.55 J/cm3 which meet the criterion for X9R MLCC applications.
Palabras clave:
BATIO3
,
CAPACITOR
,
DIELECTRIC PROPERTIES
,
X9R
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Colecciones
Articulos(INTEMA)
Articulos de INST.DE INV.EN CIENCIA Y TECNOL.MATERIALES (I)
Articulos de INST.DE INV.EN CIENCIA Y TECNOL.MATERIALES (I)
Citación
Muhammad, Raz; Ali, Asif; Camargo, Javier Eduardo; Castro, Miriam Susana; Lei, Wen; et al.; Enhanced Thermal Stability in Dielectric Properties of NaNbO3 –Modified BaTiO3 –BiMg1/2 Ti1/2 O3 Ceramics for X9R-MLCC Applications; MDPI; Crystals; 12; 2; 2-2022; 1-10
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