Microwave and Terahertz Properties of Spark-Plasma-Sintered Zr0.8Sn0.2TiO4 Ceramics

被引：4

作者：

Nedelcu, Liviu ^{[1
]}

Burdusel, Mihail ^{[1
]}

Grigoroscuta, Mihai Alexandru ^{[1
]}

Geambasu, Cezar Dragos ^{[1
]}

Enculescu, Monica ^{[1
]}

Badica, Petre ^{[1
]}

Banciu, Marian Gabriel ^{[1
]}

机构：

[1] Natl Inst Mat Phys, Atomistilor 405A, Magurele 077125, Romania

来源：

MATERIALS | 2022年 / 15卷 / 03期

关键词：

ceramics; zirconium tin titanate; Zr-0; 8Sn(0); 2TiO(4); spark plasma sintering; microwave dielectric properties; terahertz time-domain spectroscopy; DIELECTRIC-PROPERTIES; (ZR; SN)TIO4; RESONATORS; LA2O3;

D O I：

10.3390/ma15031258

中图分类号：

O64 [物理化学（理论化学）、化学物理学];

学科分类号：

070304 ; 081704 ;

摘要：

Zr0.8Sn0.2TiO3 (ZST) powders synthesized by solid-state reaction were subject to processing by spark plasma sintering (SPS). A single-phase ceramic with a high relative density of 95.7% and 99.6% was obtained for sintering temperatures of 1150 degrees C and 1200 degrees C, respectively, and for a dwell time of 3 min. In order to reduce the oxygen vacancies, as-sintered discs were annealed in air at 1000 degrees C. The dielectric loss of the annealed samples, expressed by the Q x f product, measured in the microwave (MW) domain, varied between 35 THz and 50 THz. The intrinsic losses (Q x f ~ 60 THz) were derived by using terahertz time-domain spectroscopy (THz-TDS).

引用

页数：9

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