Effective rare-earth do** on semiconductor behavior for BaTiO3-based automotive MLCCs

J Chun, J Kim, WW Lee, E Jang, Y Lee, K Kim… - Ceramics …, 2024 - Elsevier
Highly accelerated lifetime test (HALT) for lifetime evaluation was performed on the state-of-
art automotive MLCC prototypes by varying Dy/Mg (donor/acceptor) ratio added to BaTiO 3 …

Mechanism of prebreakdown process in Ni–BaTiO3 multilayer ceramic capacitors

T Sada, K Izawa, N Fujikawa… - Japanese Journal of …, 2018 - iopscience.iop.org
The local insulation resistance (IR) degradation in Ni–BaTiO 3 multilayer ceramic capacitors
(MLCCs) was studied, especially in the degradation stage immediately before the electrical …

Effect of La do** on the suppression of insulation resistance degradation in multi-layer ceramic capacitors

T Tateishi, S Suzuki, K Banno… - Japanese Journal of …, 2019 - iopscience.iop.org
Abstract Effect of La do** on the suppression of insulation resistance degradation in multi-
layer ceramic capacitors (MLCCs) was investigated. The insulation resistance of La-doped …

Analysis of the degradation of BaTiO3 resistivity due to hydrogen ion incorporation: Impedance spectroscopy and diffusion analysis

DSB Heidary, CA Randall - Acta Materialia, 2015 - Elsevier
The resistivity of insulator oxide materials can be compromised when they are exposed to
hydrogen gas at high temperatures, as insulation resistance can significantly decrease. In …

Study on the behavior of atomic layer deposition coatings on a nickel substrate at high temperature

DSB Heidary, CA Randall - Nanotechnology, 2016 - iopscience.iop.org
Although many techniques have been applied to protect nickel (Ni) alloys from oxidation at
intermediate and high temperatures, the potential of atomic layer deposition (ALD) coatings …

Evaluating the merit of ALD coating as a barrier against hydrogen degradation in capacitor components

DSB Heidary, W Qu, CA Randall - RSC Advances, 2015 - pubs.rsc.org
The degradation of the properties of electronic materials due to exposure to hydrogen gas is
a common problem in electro-ceramic device components. In this study, we explore atomic …