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http://hdl.handle.net/10397/95712
Title: | Colossal permittivity materials as superior dielectrics for diverse applications | Authors: | Wang, Y Jie, W Yang, C Wei, X Hao, J |
Issue Date: | 4-Jul-2019 | Source: | Advanced functional materials, 4 July 2019, v. 29, no. 27, 1808118 | Abstract: | Ever since the beginning of this century, many kinds of materials have been reported to demonstrate colossal permittivity (CP) or a colossal dielectric constant exceeding 103. Accordingly, such CP materials and their further modification and improvement to achieve enhanced CP performance for promising applications in modern electronics, sensors, energy storage, and multifunctional devices have attracted extensive attention. In this Review, a general overview of the recent advances in CP materials is provided, ranging from their various categories, physical mechanisms, and modulation methods to promising applications. First, various classes of CP materials are categorized in terms of their structures and dielectric properties. Subsequently, this Review provides an insight into the CP mechanisms in views of barrier layer capacitance, defect-dipole cluster, and polaronic effect. Moreover, the strategies and prototypical works are introduced in some aspects, including the manipulation of CP properties by doping, percolative capacitors, and the methods employed to enhance the dielectric behaviors in CP materials with different forms. The authors then discuss a wide range of applications based on CP materials, such as modern electronics and energy storage. Finally, the challenges and opportunities for further investigation of CP materials are highlighted in the summary and future perspectives. | Keywords: | Breakdown strength Colossal permittivity Dielectric composite Energy storage capacitance Microelectronics |
Publisher: | Wiley-VCH | Journal: | Advanced functional materials | ISSN: | 1616-301X | EISSN: | 1616-3028 | DOI: | 10.1002/adfm.201808118 | Rights: | © 2019 WILEY-VCH Verlag GmbH & Co. KGaA, Weinheim This is the peer reviewed version of the following article: Wang, Y., Jie, W., Yang, C., Wei, X., & Hao, J. (2019). Colossal permittivity materials as superior dielectrics for diverse applications. Advanced Functional Materials, 29(27), 1808118, which has been published in final form at https://doi.org/10.1002/adfm.201808118. This article may be used for non-commercial purposes in accordance with Wiley Terms and Conditions for Use of Self-Archived Versions. This article may not be enhanced, enriched or otherwise transformed into a derivative work, without express permission from Wiley or by statutory rights under applicable legislation. Copyright notices must not be removed, obscured or modified. The article must be linked to Wiley’s version of record on Wiley Online Library and any embedding, framing or otherwise making available the article or pages thereof by third parties from platforms, services and websites other than Wiley Online Library must be prohibited. |
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Hao_Colossal_Permittivity_Materials.pdf | Pre-Published version | 5.78 MB | Adobe PDF | View/Open |
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