Interfacial reaction of TiO2/NiCuZn ferrites in multilayer composites

Autor: Wen-Chang Liao, Yu-Ju Wang, Ya-Fang Cheng, Hsing I. Hsiang
Rok vydání: 2004
Předmět:
Zdroj: Journal of the European Ceramic Society. 24:2015-2021
ISSN: 0955-2219
DOI: 10.1016/s0955-2219(03)00368-6
Popis: A composite layer device incorporating TiO 2 and NiCuZn ferrites has been developed. The cofiring behavior and interfacial interaction between TiO 2 /NiCuZn ferrites at 900 °C were studied by using dilatometry, X-ray diffractometry (XRD), scanning electron microscopy (SEM) and energy dispersive X-ray spectroscopy (EDS). Intermediate layers were observed following the interfacial reaction between TiO 2 and PbO- or Bi 2 O 3 -doped NiCuZn ferrites. The intermediate layers were PbTiO 3 and Bi 4 Ti 3 O 12 , respectively. But no intermediate layers were produced at the interface between TiO 2 and the V 2 O 5 -doped NiCuZn ferrites. The intermediate layers formed during cofiring resulted in delamination. Therefore, V 2 O 5 should be recommended as a good sintering aid for NiCuZn ferrite in preparing TiO 2 /NiCuZn ferrite composite layer devices.
Databáze: OpenAIRE