NDLI: Structure and microwave dielectric properties of (Zn$_{0.3}$Co$_{0.7}$)Ti$_{1−x}$Sn$_{x}$O$

Content Provider	Springer Nature Link
Author	Tang, Bin Li, Ying Xiang Li, Hao Qin, Zhen Jun Chen, He Tuo Yang, Han Zhang, Shu Ren
Copyright Year	2015
Abstract	Low-loss ceramics (Zn$_{0.3}$Co$_{0.7}$)Ti$_{1−x}$Sn$_{x}$O$_{3}$ (ZCTS) (x = 0, 0.02, 0.05, 0.09, 0.14) were prepared by the conventional solid-state route. The effects of Sn ratio on phase composition, microstructure, and the microwave dielectric properties of (Zn$_{0.3}$Co$_{0.7}$)Ti$_{1−x}$Sn$_{x}$O$_{3}$ materials were investigated using X-ray diffraction, scanning electron microscopy, and energy-dispersive X-ray spectroscopy (EDS). The results revealed that the ZCTS (x = 0.02, 0.05, 0.09, 0.14) composites consisted of three crystalline phases: ZnTiO$_{3}$-type phase, Zn$_{2}$TiO$_{4}$-type phase, and TiO$_{2}$ phase. Due to the compensating effect of rutile TiO$_{2}$, the temperature coefficient of resonant frequency (τ$_{ f }$) for (Zn$_{0.3}$Co$_{0.7}$)Ti$_{1−x}$Sn$_{x}$O$_{3}$ (x = 0.02) ceramic was tuned to near zero value. It was found in our experiment that with the increase of Sn ratio, the microwave dielectrics showed a great promotion in Q × f when Ti$^{4+}$ was partially substituted by Sn$^{4+}$. Typically, the (Zn$_{0.3}$Co$_{0.7}$)Ti$_{1−x}$Sn$_{x}$O$_{3}$ (x = 0.02) ceramic sintered at 1,220 °C for 4 h exhibited good microwave dielectric properties of ε$_{r}$ = 24, Q × f = 66,700 GHz and τ$_{ f }$ = −5.43 ppm/°C.
Starting Page	2795
Ending Page	2799
Page Count	5
File Format	PDF
ISSN	09574522
Journal	Journal of Materials Science: Materials in Electronics
Volume Number	26
Issue Number	5
e-ISSN	1573482X
Language	English
Publisher	Springer US
Publisher Date	2015-02-08
Publisher Place	Boston
Access Restriction	One Nation One Subscription (ONOS)
Subject Keyword	Optical and Electronic Materials Characterization and Evaluation of Materials
Content Type	Text
Resource Type	Article
Subject	Atomic and Molecular Physics, and Optics Biomaterials Biophysics Condensed Matter Physics Electronic, Optical and Magnetic Materials Bioengineering Electrical and Electronic Engineering Biomedical Engineering

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