Sintering characteristics, phase transitions, and microwave dielectric properties of low-firing [(Na0.5Bi0.5)xBi(1-x)](WxV1-x)O-4 solid solution ceramics

Xue, Xian1; Li, Xiaomeng2; Fu, Changli2; Zhang, Yan5; Guo, Jing2; Wang, Hong3,4

2023-06-01

10.26599/JAC.2023.9220747

JOURNAL OF ADVANCED CERAMICS   影响因子和分区

2226-4108

2227-8508

A series of high-k [(Na0.5Bi0.5)xBi(1-x)](WxV1-x)O-4 (abbreviated as NBWV(x value)) solid solution ceramics with a scheelite-like structure are synthesized by a modified solid-state reaction method at the temperature range of 680-760.. A monoclinic (0 <= x < 0.09) to tetragonal scheelite (0.09 <= x <= 1.0) structural phase transition is confirmed by X-ray diffraction (XRD), Raman, and infrared (IR) analyses. The effect of structural deformation and order-disorder caused by Na+/Bi3+/W6+ complex substitution on microwave dielectric properties is investigated in detail. The compositional series possess a wide range of variable relative permittivity (epsilon(r) = 24.8-80) and temperature coefficient of resonant frequency (TCF value, -271.9-188.9 ppm/ degrees C). The maximum permittivity of 80 and a high Qxf value of similar to 10,000 GHz are obtained near the phase boundary at x = 0.09. Furthermore, the temperature-stable dielectric ceramics sintered at 680 degrees C with excellent microwave dielectric properties of epsilon(r) = 80.7, Qxf = 9400 GHz (at 4.1 GHz), and TCF value = -3.8 ppm/degrees C are designed by mixing the components of x = 0.07 and 0.08. In summary, similar sinterability and structural compatibility of scheelite-like solid solution systems make it potential for low-temperature co-fired ceramic ( LTCC) applications.

structural phase transition order-disorder phenomena microwave ceramics dielectric behavior low sintering temperatures

SCI ; EI

英语

通讯

National Natural Science Foundation of China["61631166004","51902245"] ; Shenzhen Science and Technology Program["KQTD20180411143514543","JSGGZD20220822095603006"]

Materials Science

Materials Science, Ceramics

WOS:001004930200004

TSINGHUA UNIV PRESS

20232614283774

Ceramic materials ; Microelectronics ; Natural frequencies ; Permittivity ; Sintering ; Solid solutions ; Solid state reactions ; Tungstate minerals

Minerals:482.2 ; Thermodynamics:641.1 ; Chemical Reactions:802.2 ; Ceramics:812.1 ; Solid State Physics:933

Web of Science

1.Xi An Jiao Tong Univ, Fac Elect & Informat Engn, State Key Lab Mech Behav Mat, Xian 710049, Peoples R China
2.Xi An Jiao Tong Univ, Sch Mat Sci & Engn, State Key Lab Mech Behav Mat, Xian 710049, Peoples R China
3.Southern Univ Sci & Technol, Dept Mat Sci & Engn, Shenzhen 518055, Peoples R China
4.Southern Univ Sci & Technol, Shenzhen Engn Res Ctr Novel Elect Informat Mat &, Shenzhen 518055, Peoples R China
5.Xi An Jiao Tong Univ, Sch Basic Med Sci,Dept Physiol & Pathophysiol, Shaanxi Engn & Res Ctr Vaccine, Key Lab Environm & Genes Related Dis Educ Minist, Xian 710061, Peoples R China

Xue, Xian,Li, Xiaomeng,Fu, Changli,et al. Sintering characteristics, phase transitions, and microwave dielectric properties of low-firing [(Na0.5Bi0.5)xBi(1-x)](WxV1-x)O-4 solid solution ceramics[J]. JOURNAL OF ADVANCED CERAMICS,2023,12(6):1178-1188.

Xue, Xian,Li, Xiaomeng,Fu, Changli,Zhang, Yan,Guo, Jing,&Wang, Hong.(2023).Sintering characteristics, phase transitions, and microwave dielectric properties of low-firing [(Na0.5Bi0.5)xBi(1-x)](WxV1-x)O-4 solid solution ceramics.JOURNAL OF ADVANCED CERAMICS,12(6),1178-1188.

Xue, Xian,et al."Sintering characteristics, phase transitions, and microwave dielectric properties of low-firing [(Na0.5Bi0.5)xBi(1-x)](WxV1-x)O-4 solid solution ceramics".JOURNAL OF ADVANCED CERAMICS 12.6(2023):1178-1188.