Cold sintering of microwave dielectric ceramics and devices

D Wang, L Li, J Jiang, Z Lu, G Wang, K Song… - Journal of Materials …, 2021 - Springer
Microwave (MW) dielectric ceramics are used in numerous electronic components for
modern wireless communication systems, including antennas, resonators, capacitors and …

Crystal structure and enhanced microwave dielectric properties of the Ce2[Zr1−x(Al1/2Ta1/2)x]3(MoO4)9 ceramics at microwave frequency

C Feng, X Zhou, B Tao, H Wu, S Huang - Journal of Advanced Ceramics, 2022 - Springer
Dense microwave dielectric ceramics of Ce2 [Zr1− x (Al1/2Ta1/2) x] 3 (MoO4) 9 (CZMAT)(x=
0.02–0.10) were prepared by the conventional solid-state route. The effects of (Al1/2Ta1/2) …

Novel low-εr MGa2O4 (M= Ca, Sr) microwave dielectric ceramics for 5 G antenna applications at the Sub-6 GHz band

B Liu, K Sha, MF Zhou, KX Song, YH Huang… - Journal of the European …, 2021 - Elsevier
Two novel low-ε r gallates MGa 2 O 4 (M= Ca, Sr) have been synthesized via a standard
solid-state reaction method. According to the X-ray diffraction results, CaGa 2 O 4 …

High quality factor cold sintered LiF ceramics for microstrip patch antenna applications

B Liu, K Sha, YQ Jia, YH Huang, CC Hu, L Li… - Journal of the European …, 2021 - Elsevier
Cold sintering is adopted to pre-densify LiF ceramics, where the relative density increases
significantly from 72.1% at 125 MPa to 88.9% at 500 MPa. The following post-annealings at …

Phase evolution and microware dielectric properties of high-entropy spinel-type (Mg0. 2Co0. 2Ni0. 2Li0. 4Zn0. 2) Al2O4 ceramics

M **e, X Li, Y Lai, C Qi, J Yin, W Gong, Y Li… - Journal of the European …, 2024 - Elsevier
In this study, high-entropy spinel-type (Mg 0.2 Co 0.2 Ni 0.2 Li 0.4 Zn 0.2) Al 2 O 4 ceramics
were synthesized by solid-state reaction method. The raw materials gradually formed spinel …

Spinel-type solid solution ceramic MgAl2O4-Mg2TiO4 with excellent microwave dielectric properties

X Yang, Y Lai, Y Zeng, F Yang, F Huang, B Li… - Journal of Alloys and …, 2022 - Elsevier
In this work, a series of (1-x) MgAl 2 O 4-xMg 2 TiO 4 (expressed as (1-x) MA-xMT)(0.0≤ x≤
0.9) ceramics were successfully prepared via a solid-state reaction, and the effect of Mg 2 …

All-ceramics with ultrahigh thermal conductivity and superior dielectric properties created at ultralow temperatures

N Chen, L Li, X Xu, C Wang, J Cheng, W Liu… - Cell Reports Physical …, 2024 - cell.com
Ceramics that are thermally conductive and can be sintered at low temperatures are
particularly desired for hybrid integration and co-fired technology in upsurging high …

Cold sintering optimized SrF2 microwave dielectric ceramics for the development of dielectric resonator antenna at 5G millimeter-wave band

MF Zhou, CC Hu, JB Yin, Y Jiang, B Liu, KX Song - Ceramics International, 2022 - Elsevier
SrF 2 is a promising low-ε r fluoride with outstanding microwave dielectric properties, while
densification of SrF 2 ceramics is challenging via traditional thermal sintering (TTS). In this …

Microwave dielectric properties and chemical bond of novel spinel-structure Zn3Ga2SnO8 ceramics

L Ma, G Tian, H **ao, L Jiang, Q Du, H Li - Ceramics International, 2024 - Elsevier
A novel low-ε r Zn 3 Ga 2 SnO 8 ceramic was prepared, and the phase composition and
microstructural evolution were investigated. According to Rietveld refinement, TEM, and …

Boosting densification and microwave dielectric properties in cold sintered BaF2 ceramics for 5.8 GHz WLAN applications

DH **, B Liu, KX Song, KW Xu, YH Huang… - Journal of Alloys and …, 2021 - Elsevier
BaF 2 is a low-firing fluoride with excellent microwave dielectric properties, while the
densification of BaF 2 ceramics is challenging via conventional sintering. In this work, dense …