Premium
A Novel Approach to the Preparation of a Highly Crystallized BaTiO 3 Layer on Ni Nanoparticles
Author(s) -
Hao Yanan,
Wang Xiaohui,
Zhang Hui,
Zhang Yichi,
Li Longtu
Publication year - 2013
Publication title -
journal of the american ceramic society
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.9
H-Index - 196
eISSN - 1551-2916
pISSN - 0002-7820
DOI - 10.1111/jace.12506
Subject(s) - crystallization , materials science , nanoparticle , coating , layer (electronics) , chemical engineering , crystallite , ceramic , ceramic capacitor , shrinkage , nanotechnology , capacitor , composite material , metallurgy , physics , quantum mechanics , voltage , engineering
A novel chemical approach is proposed to facilitate the crystallization of the BaTiO 3 coating layer on Ni nanoparticles for multilayer ceramic capacitors. Based on the chemical equilibrium principle, the polycrystalline coating layer can be obtained at atmospheric pressure and at a relatively low temperature by a one‐step reaction. The details of the coating process of the Ni nanoparticles are clearly discussed. The coating is uniform, dense, and well crystallized, and can protect the Ni from oxidation and also shift the starting point of Ni densification to a higher temperature, reducing differential shrinkage issues in the co‐firing.