Low permittivity cordierite-based microwave dielectric ceramics for 5G/6G telecommunications

Article Materials Science, Multidisciplinary

Structure, microwave dielectric properties, and THz spectrum of Co0.5Sn0.5TaO4 ceramics

Hongyu Yang et al.

Summary: Co0.5Sn0.5TaO4 ceramic with a trirutile-type structure was prepared in this study. It exhibited excellent microwave dielectric properties, making it suitable for high-frequency applications.

MATERIALS LETTERS (2022)

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Article Chemistry, Physical

Low-permittivity and high-Q value Li2Mg3Ti1-x(Zn1/3Nb2/3)xO6 microwave dielectric ceramics for microstrip antenna applications in 5G millimeter wave

Yu Zhan et al.

Summary: With the development of 5G technology, the research on millimeter wave communication is gaining more attention. By replacing Ti 4+ of LMT system with (Zni(1/3)Nb(2/3))(4+), excellent performance microwave dielectric ceramics with low permittivity and high Qxf value were made.

JOURNAL OF ALLOYS AND COMPOUNDS (2021)

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Article Nanoscience & Nanotechnology

Design of a High-Efficiency and -Gain Antenna Using Novel Low-Loss, Temperature-Stable Li2Ti1-x (Cu1/3Nb2/3)xO3 Microwave Dielectric Ceramics

Huan-Huan Guo et al.

Summary: Microwave dielectric ceramics with excellent properties such as high quality factor, low sintering temperature, small density, and good temperature stability were achieved by incorporating (Cu1/3Nb2/3)(4+) substitution and 3 wt % H3BO3 addition in Li2TiO3. The resulting LTCN0.2 + 3 wt % H3BO3 materials showed promising applications for SG mobile communication devices and low-temperature co-fired ceramic technology. Additionally, they were chemically compatible with silver and exhibited high simulated radiation efficiencies and gains in patch antenna and dielectric resonator antenna designs.

ACS APPLIED MATERIALS & INTERFACES (2021)

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Article Materials Science, Ceramics

Cold sintered, temperature-stable CaSnSiO5-K2MoO4 composite microwave ceramics and its prototype microstrip patch antenna

Yuping Ji et al.

Summary: Composite ceramics of (1-x)wt%CaSnSiO5-xwt%K2MoO4 were fabricated by cold sintering process, where X-ray diffraction, Energy dispersive X-ray, and Raman spectroscopy confirmed the coexistence of CSSO and KMO without intermediate phases. With an increase in KMO weight fraction, the microwave performance of the ceramic composites improved.

JOURNAL OF THE EUROPEAN CERAMIC SOCIETY (2021)

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Article Materials Science, Ceramics

Improved tri-layer microwave dielectric ceramic for 5 G applications

Shun Wang et al.

Summary: The multilayer architecture of ZnTi0.97Ge0.03Nb2O8-TiO2-ZnTi0.97Ge0.03Nb2O8 ceramics demonstrates advantages and control over microwave dielectric properties. Through the interaction of components in the tri-layer structure, a cooperative optimization of microwave dielectric properties is achieved.

JOURNAL OF THE EUROPEAN CERAMIC SOCIETY (2021)

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Article Materials Science, Ceramics

Characterization of microwave and terahertz dielectric properties of single crystal La2Ti2O7 along one single direction

Man Zhang et al.

Summary: This study focused on the dielectric properties of a single crystal La2Ti2O7 material in the microwave and terahertz bands, revealing its dielectric characteristics along a single crystallographic direction. The decrease in dielectric permittivity with increasing frequency is related to dielectric relaxation processes occurring from radio frequency to microwave and then to terahertz bands.

JOURNAL OF THE EUROPEAN CERAMIC SOCIETY (2021)

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Article Materials Science, Ceramics

Microwave dielectric properties of Bi2(Li0.5Ta1.5)O7-TiO2-based ceramics for 5G cellular base station resonator application

Atta Ullah et al.

Summary: The solid-state sintering method was used to produce a range of Bi-2(Li0.5Ta1.5)O-7-xTiO(2) ceramics, with the addition of TiO2 influencing the phase structure and microwave dielectric properties. The composition with x = 0.04 exhibited excellent dielectric properties and is suitable for 5G base station resonator applications.

CERAMICS INTERNATIONAL (2021)

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Article Materials Science, Ceramics

Thermally-stimulated defect relaxations and microwave/terahertz dielectric response of La,Al co-doped (Ba,Sr)La4Ti4O15 ceramics

Yu Luo et al.

Summary: This study systematically investigated the thermally-stimulated relaxation of defects in La,Al co-substituted (Ba,Sr)La4Ti4O15 dielectric ceramics with a hexagonal perovskite structure. The ion substitution decreased lattice parameters and bond lengths, leading to a decrease in the concentration of oxygen vacancies and damping factor of lattice vibration, ultimately reducing microwave/terahertz dielectric loss. High-performance ceramics with specific properties were obtained, and the correlations between crystal structures, defect behaviors, and dielectric properties discussed in this work could guide the modification of microwave dielectric ceramics.

JOURNAL OF THE EUROPEAN CERAMIC SOCIETY (2021)

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Article Materials Science, Multidisciplinary

Temperature stable Sm(Nb1-xVx)O4 (0.0 ≤ x ≤ 0.9) microwave dielectric ceramics with ultra-low dielectric loss for dielectric resonator antenna applications

Fang-Fang Wu et al.

Summary: The study found that V5+ substitution can induce the phase transition of Sm(Nb1-xVx)O-4 from monoclinic to tetragonal phase, effectively reducing the transition temperature. TEM analysis revealed the presence of two different orientation domain structures in the monoclinic phase, with the widths of these structures decreasing with an increase in B-site substitution. Furthermore, the variations in dielectric properties and resonance frequency temperature coefficient were strongly correlated with crystal distortion and phase transition.

JOURNAL OF MATERIALS CHEMISTRY C (2021)

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Article Materials Science, Ceramics

Vibrational spectroscopy and microwave dielectric properties of AY2Si3O10 (A = Sr, Ba) ceramics for 5G applications

Qianbi Lin et al.

CERAMICS INTERNATIONAL (2020)

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Article Materials Science, Ceramics

Microwave dielectric properties of temperature-stable zircon-type (Bi, Ce)VO4 solid solution ceramics

Huan-Huan Guo et al.

JOURNAL OF THE AMERICAN CERAMIC SOCIETY (2020)

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Article Materials Science, Ceramics

Structure, microwave dielectric performance, and infrared reflectivity spectrum of olivine-type Mg2Ge0.98O4 ceramic

Junqi Chen et al.

JOURNAL OF THE AMERICAN CERAMIC SOCIETY (2020)

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Article Materials Science, Ceramics

Impact of additives and processing on microstructure and dielectric properties of willemite ceramics for LTCC terahertz applications

B. Synkiewicz-Musialska et al.

JOURNAL OF THE EUROPEAN CERAMIC SOCIETY (2020)

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Article Materials Science, Ceramics

Synthesis, lattice energy and microwave dielectric properties of BaCu2-xCoxSi2O7 ceramics

Xiao-Qiang Song et al.

JOURNAL OF THE EUROPEAN CERAMIC SOCIETY (2020)

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Article Materials Science, Ceramics

Crystal structure, Raman spectra and microwave dielectric properties of novel temperature-stable LiYbSiO4 ceramics

Congxue Su et al.

CERAMICS INTERNATIONAL (2020)

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Article Materials Science, Ceramics

Direct Integration of Cold Sintered, Temperature-Stable Bi2Mo2O9-K2MoO4 Ceramics on Printed Circuit Boards for Satellite Navigation Antennas

Dawei Wang et al.

JOURNAL OF THE EUROPEAN CERAMIC SOCIETY (2020)

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Article Materials Science, Ceramics

The effects of TiO2 addition on microwave dielectric properties of Y3MgAl3SiO12 ceramic for 5G application

Zhenyu Tan et al.

CERAMICS INTERNATIONAL (2020)

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Article Engineering, Electrical & Electronic

Internal relations between crystal structures and dielectric properties of (1-x)BaWO4-xTiO2composite ceramics

Yuying Wang et al.

JOURNAL OF MATERIALS SCIENCE-MATERIALS IN ELECTRONICS (2020)

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Article Materials Science, Multidisciplinary

Dielectric resonator antennas based on high quality factor MgAl2O4 transparent dielectric ceramics

Chao Du et al.

JOURNAL OF MATERIALS CHEMISTRY C (2020)

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Article Materials Science, Multidisciplinary

Temperature stable Li2Ti0.75(Mg1/3Nb2/3)0.25O3-based microwave dielectric ceramics with low sintering temperature and ultra -low dielectric loss for dielectric resonator antenna applications

Huan-Huan Guo et al.

JOURNAL OF MATERIALS CHEMISTRY C (2020)

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Article Materials Science, Ceramics

Effects of Sr2+ substitution on the crystal structure, Raman spectra, bond valence and microwave dielectric properties of Ba3-xSrx(VO4)2 solid solutions

Kai Cheng et al.

JOURNAL OF THE EUROPEAN CERAMIC SOCIETY (2019)

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Article Chemistry, Physical

Compositional tailoring effect on ZnGa2O4-TiO2 ceramics for tunable microwave dielectric properties

Xiaochi Lu et al.

JOURNAL OF ALLOYS AND COMPOUNDS (2019)

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Article Chemistry, Inorganic & Nuclear

Crystal Chemistry, Raman Spectra, and Bond Characteristics of Trirutile-Type Co0.5Ti0.5TaO4 Microwave Dielectric Ceramics

Hongyu Yang et al.

INORGANIC CHEMISTRY (2019)

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Article Computer Science, Information Systems

A Meta-Surface Decoupling Method for Two Linear Polarized Antenna Array in Sub-6 GHz Base Station Applications

Feng Liu et al.

IEEE ACCESS (2019)

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Article Chemistry, Inorganic & Nuclear

Internal Relations between Crystal Structures and Intrinsic Properties of Nonstoichiometric Ba1+xMoO4 Ceramics

Chao Xing et al.

INORGANIC CHEMISTRY (2018)

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Article Engineering, Electrical & Electronic

Room temperature densified ceramics for weight optimized circular polarized GPS antenna design

Prasadh Ramachandran et al.

MICROWAVE AND OPTICAL TECHNOLOGY LETTERS (2018)

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Article Engineering, Electrical & Electronic

Influence of Mg2SiO4 addition on crystal structure and microwave properties of Mg2Al4Si5O18 ceramic system

Xue Dong et al.

JOURNAL OF MATERIALS SCIENCE-MATERIALS IN ELECTRONICS (2018)

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Article Materials Science, Ceramics

Microwave dielectric properties of mineral sillimanite obtained by conventional and cold sintering process

I. J. Induja et al.

JOURNAL OF THE EUROPEAN CERAMIC SOCIETY (2017)

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Article Materials Science, Multidisciplinary

Terahertz characterisation of UV offset lithographically printed electronic-ink

Yang Zeng et al.

ORGANIC ELECTRONICS (2017)

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Article Materials Science, Multidisciplinary

Structure-property relationships of low sintering temperature scheelite-structured (1-x)BiVO4-xLaNbO4 microwave dielectric ceramics

Li-Xia Pang et al.

JOURNAL OF MATERIALS CHEMISTRY C (2017)

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Article Materials Science, Multidisciplinary

High permittivity and low loss microwave dielectrics suitable for 5G resonators and low temperature co-fired ceramic architecture

Di Zhou et al.

JOURNAL OF MATERIALS CHEMISTRY C (2017)

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Article Chemistry, Physical

Crystal structure and microwave dielectric properties of CaTiO3 modified Mg2Al4Si5O18 cordierite ceramics

Jinsheng Wei et al.

JOURNAL OF ALLOYS AND COMPOUNDS (2016)

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Article Materials Science, Ceramics

Symmetry of hexagonal ring and microwave dielectric properties of (Mg1-xLnx)2Al4SiO18+x (Ln = La, Sm) cordierite-type ceramics

Kaixin Song et al.

JOURNAL OF THE EUROPEAN CERAMIC SOCIETY (2016)

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Article Materials Science, Multidisciplinary

Sr2LaAlTiO7: a new Ruddlesden-Popper compound with excellent microwave dielectric properties

Bing Liu et al.

JOURNAL OF MATERIALS CHEMISTRY C (2016)

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Article Chemistry, Physical

Phase composition and microwave dielectric properties of SrTiO3 modified Mg2Al4Si5O18 cordierite ceramics

Kaixin Song et al.

JOURNAL OF ALLOYS AND COMPOUNDS (2015)

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Article Materials Science, Ceramics

Effect of TiO2 Doping on the Structure and Microwave Dielectric Properties of Cordierite Ceramics

Song Wu et al.

JOURNAL OF THE AMERICAN CERAMIC SOCIETY (2015)

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Article Spectroscopy

Raman spectroscopy of natural cordierite at high water pressure up to 5?GPa

Anna Yu. Likhacheva et al.

JOURNAL OF RAMAN SPECTROSCOPY (2012)

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Article Geochemistry & Geophysics

Quantum-mechanical calculations of the Raman spectra of Mg- and Fe-cordierite

Reinhard Kaindl et al.

AMERICAN MINERALOGIST (2011)

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Article Chemistry, Physical

Microwave dielectric properties of (1-x)ZnMoO4-xTiO2 composite ceramics

Jing Guo et al.

JOURNAL OF ALLOYS AND COMPOUNDS (2011)

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Article Chemistry, Physical

A new temperature stable microwave dielectric with low-firing temperature in Bi2MoO6-TiO2 system

Li-Xia Pang et al.

JOURNAL OF ALLOYS AND COMPOUNDS (2010)

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Article Materials Science, Ceramics

Origin of improvement of Q based on high symmetry accompanying Si-Al disordering in cordierite millimeter-wave ceramics

H. Ohsato et al.

JOURNAL OF THE EUROPEAN CERAMIC SOCIETY (2010)

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Article Materials Science, Ceramics

Mixture behavior and microwave dielectric properties of (1-x)CaWO4-xTiO(2)

Sung Hun Yoon et al.

JOURNAL OF THE EUROPEAN CERAMIC SOCIETY (2007)

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Article Materials Science, Ceramics

Effect of Ni substitution on the microwave dielectric properties of cordierite

Mio Terada et al.

JOURNAL OF THE EUROPEAN CERAMIC SOCIETY (2007)

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Article Materials Science, Ceramics

Forsterite ceramics for millimeterwave dielectrics

Hitoshi Ohsato et al.

JOURNAL OF ELECTROCERAMICS (2006)

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Article Engineering, Electrical & Electronic

Characterization of liquid crystal polymer (LCP) material and transmission lines on LCP substrates from 30 to 110 GHz

DC Thompson et al.

IEEE TRANSACTIONS ON MICROWAVE THEORY AND TECHNIQUES (2004)

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Low permittivity cordierite-based microwave dielectric ceramics for 5G/6G telecommunications

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