The continued development of BaTiO3-based multilayer ceramic capacitors has contributed to further miniaturization by reducing the thickness of each dielectric layer for different voltage range components. MLCC designs that achieve higher volumetric capacitive efficiency must be balanced with stable properties over long operational times at higher fields and temperatures, raising concerns about their reliability. To improve the reliability and slow transient mechanisms of oxygen vacancy electromigration that drive the degradation of insulation resistance of MLCCs, we need to develop new models and improved metrologies to enhance the performance of MLCCs. This paper demonstrates how electrical characterization techniques, such as thermally stimulated depolarization current and highly accelerated life test, can be used to better understand MLCCs' degradation and assess their reliability. Also, the limitations of existing lifetime prediction models and their shortcomings of using mean time to failure in predicting the lifetime of MLCCs are discussed along with future perspectives on evaluating the reliability of MLCCs.
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13 March 2023
Research Article|
March 13 2023
Utilizing time domain electrical methods to monitor MLCCs' degradation Available to Purchase
Special Collection:
Energy Conversion and Storage in Functional Dielectrics
Pedram Yousefian
;
Pedram Yousefian
a)
(Writing – original draft, Writing – review & editing)
Materials Research Institute, Department of Materials Science and Engineering, Center for Dielectrics and Piezoelectrics, The Pennsylvania State University
, University Park, Pennsylvania 16802, USA
a)Author to whom correspondence should be addressed: [email protected]
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Shalini Rajpoot
;
Shalini Rajpoot
(Writing – review & editing)
Materials Research Institute, Department of Materials Science and Engineering, Center for Dielectrics and Piezoelectrics, The Pennsylvania State University
, University Park, Pennsylvania 16802, USA
Search for other works by this author on:
Clive A. Randall
Clive A. Randall
(Funding acquisition, Supervision, Writing – review & editing)
Materials Research Institute, Department of Materials Science and Engineering, Center for Dielectrics and Piezoelectrics, The Pennsylvania State University
, University Park, Pennsylvania 16802, USA
Search for other works by this author on:
Pedram Yousefian
Writing – original draft, Writing – review & editing
a)
Materials Research Institute, Department of Materials Science and Engineering, Center for Dielectrics and Piezoelectrics, The Pennsylvania State University
, University Park, Pennsylvania 16802, USA
Shalini Rajpoot
Writing – review & editing
Materials Research Institute, Department of Materials Science and Engineering, Center for Dielectrics and Piezoelectrics, The Pennsylvania State University
, University Park, Pennsylvania 16802, USA
Clive A. Randall
Funding acquisition, Supervision, Writing – review & editing
Materials Research Institute, Department of Materials Science and Engineering, Center for Dielectrics and Piezoelectrics, The Pennsylvania State University
, University Park, Pennsylvania 16802, USA
a)Author to whom correspondence should be addressed: [email protected]
Note: This paper is part of the APL Special Collection on Energy Conversion and Storage in Functional Dielectrics.
Appl. Phys. Lett. 122, 112902 (2023)
Article history
Received:
December 14 2022
Accepted:
February 27 2023
Citation
Pedram Yousefian, Shalini Rajpoot, Clive A. Randall; Utilizing time domain electrical methods to monitor MLCCs' degradation. Appl. Phys. Lett. 13 March 2023; 122 (11): 112902. https://doi.org/10.1063/5.0138806
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