Kim, Jeong-Ryeol Kim, Dong-Wan Jung, Hyun Suk Hong, Kug Sun 2024-01-21T03:03:17Z 2024-01-21T03:03:17Z 2021-09-02 2006-06 0955-2219 https://pubs.kist.re.kr/handle/201004/135472 The Influence of ZnB2O4 glass addition on the sintering temperature and microwave dielectric properties of Ba5Nb4O15 has been investigated using dilatometry, X-ray diffraction, scanning electron microscopy and network analyzer. It was found that a small amount of glass addition to Ba5Nb4O15 lowered the sintering temperature from 1400 to 900 degrees C. The reduced sintering temperature was attributed to the formation of ZnB2O4 liquid phase and B2O3-rich liquid phases such as Ba3B2O6. The Ba5Nb4O15 ceramics with ZnB2O4 glass, sintered at a low temperature, exhibited good microwave dielectric characteristics, i.e., a quality factor (Q x f) = 12,100 GHz, a relative dielectric constant (epsilon(r)) = 40, a temperature coefficient of resonant frequency (tau(f)) = 48 ppm/degrees C. The dielectric properties were discussed in terms of the densification of specimens and the influence of glassy phases such as Ba3B2O6 and ZnB2O4. (c) 2005 Elsevier Ltd. All rights reserved. English ELSEVIER SCI LTD Low-temperature sintering and microwave dielectric properties of Ba5Nb4O15 with ZnB2O4 glass Article 10.1016/j.jeurceramsoc.2005.09.065 1 JOURNAL OF THE EUROPEAN CERAMIC SOCIETY, v.26, no.10-11, pp.2105 - 2109 JOURNAL OF THE EUROPEAN CERAMIC SOCIETY 26 10-11 2105 2109 scie scopus 000237833500074 2-s2.0-33645551160 Materials Science, Ceramics Materials Science Article; Proceedings Paper sintering X-ray method dielectric properties glass Ba5Nb4O15