A novel approach to sintering (Ba,Ca)(Ti,Zr)O 3 multilayer ceramic capacitors with Ni electrodes

Shih Hao Wang, Yin Lai Chai, Wen Hsi Lee

Research output: Contribution to journalArticlepeer-review

9 Citations (Scopus)


In this study, a novel sintering technique combining rapid heating and constrained sintering was adopted to fire multilayer ceramic capacitors (MLCCs). It was demonstrated that chamber development can be significantly minimized, leading to a small internal residual stress in MLCCs when they were fired by the novel sintering technique instead of free sintering. The magnitude of tensile stress was closely related to the heating rate and the thickness of the constraining layer. The presence of in-plane tensile stress resulted from the constrained sintering in the x- y plane of the MLCCs, which then modified both the densification rate of the dielectric materials and the inner electrode. The thin inner electrode (<1 μm) with high continuity (>98%) and the fine grain size (1.5 μm) with narrow distribution (±0.10 μm) of BCTZ-based MLCC with a concave-free morphology can be attained by using such a rapid constrained sintering technique when BT is used as a constraining layer laminated on both sides of the multilayer BCTZ-based MLCC.

Original languageEnglish
Pages (from-to)1711-1723
Number of pages13
JournalJournal of the European Ceramic Society
Issue number8
Publication statusPublished - 2012 Jul

All Science Journal Classification (ASJC) codes

  • Ceramics and Composites
  • Materials Chemistry


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