Compositionally Graded Multilayer Ceramic Capacitors

Title
Compositionally Graded Multilayer Ceramic Capacitors
Authors
송현철Jie E. ZhouDeepam MauryaYongke YanYu U. WangShashank Priya
Keywords
Multilayer ceramic capacitor; Compositionally graded structure; Dielectric; Phase field simulation; BTS-BCN
Issue Date
2017-09
Publisher
Scientific Reports
Citation
VOL 7, NO 12353 -12
Abstract
Multilayer ceramic capacitors (MLCC) are widely used in consumer electronics. Here, we provide a transformative method for achieving high dielectric response and tunability over a wide temperature range through design of compositionally graded multilayer (CGML) architecture. Compositionally graded MLCCs were found to exhibit enhanced dielectric tunability (70%) along with small dielectric losses (< 2.5%) over the required temperature ranges specified in the standard industrial classifications. The compositional grading resulted in generation of internal bias field which enhanced the tunability due to increased nonlinearity. The electric field tunability of MLCCs provides an important avenue for design of miniature filters and power converters.
URI
http://pubs.kist.re.kr/handle/201004/66650
ISSN
2045-2322
Appears in Collections:
KIST Publication > Article
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