Please use this identifier to cite or link to this item: https://hdl.handle.net/11147/6370
Title: Fundamental mechanisms responsible for the temperature coefficient of resonant frequency in microwave dielectric ceramics
Authors: Zhang, Shengke
Şahin, Hasan
Torun, Engin
Peeters, François M.
Martien, Dinesh
DaPron, Tyler
Dilley, Neil
Newman, Nathan
Keywords: Density functional theory
Dilatation/dilatometry
Electron Spin Resonance
Microwave resonators
Doping (additives)
Publisher: John Wiley and Sons Inc.
Source: Zhang, S., Şahin, H., Torun, E., Peeters, F., Martien, D., DaPron, T., Dilley, N., and Newman, N. (2017). Fundamental mechanisms responsible for the temperature coefficient of resonant frequency in microwave dielectric ceramics. Journal of the American Ceramic Society, 100(4), 1508-1516. doi:10.1111/jace.14648
Abstract: The temperature coefficient of resonant frequency (τf) of a microwave resonator is determined by three materials parameters according to the following equation: τf=−(½ τε + ½ τμ + αL), where αL, τε, and τμ are defined as the linear temperature coefficients of the lattice constant, dielectric constant, and magnetic permeability, respectively. We have experimentally determined each of these parameters for Ba(Zn1/3Ta2/3)O3, 0.8 at.% Ni-doped Ba(Zn1/3Ta2/3)O3, and Ba(Ni1/3Ta2/3)O3 ceramics. These results, in combination with density functional theory calculations, have allowed us to develop a much improved understanding of the fundamental physical mechanisms responsible for the temperature coefficient of resonant frequency, τf.
URI: http://doi.org/10.1111/jace.14648
http://hdl.handle.net/11147/6370
ISSN: 0002-7820
0002-7820
1551-2916
Appears in Collections:Photonics / Fotonik
Scopus İndeksli Yayınlar Koleksiyonu / Scopus Indexed Publications Collection
WoS İndeksli Yayınlar Koleksiyonu / WoS Indexed Publications Collection

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