References(78)
[1]
Hill MD, Cruickshank DB, MacFarlane IA. Perspective on ceramic materials for 5G wireless communication systems. Appl Phys Lett 2021, 118: 120501.
[2]
Jin DH, Hu CC, Liu B. Improved sinterability and temperature stability in Zn2+/Ti4+-co-substituted CaAl2O4 ceramics and their 5G antenna applications. J Mater Sci Mater Electron 2021, 32: 18205-18211.
[3]
Zhang L, Zhang J, Yue ZX, et al. Thermally stable polymer-ceramic composites for microwave antenna applications. J Adv Ceram 2016, 5: 269-276.
[4]
Medeiros JLG, d’Assunção AG, Mendonça LM. Microstrip fractal patch antennas using high permittivity ceramic substrate. In: Proceedings of the 2012 IEEE International Symposium on Antennas and Propagation, Chicago, USA, 2012: 1-2.
[5]
Rhbanou A, El F, Jebbor N, et al. New design of miniature C-band substrate integrated waveguide bandpass filters using ceramic material. FME Trans 2021, 49: 103-112.
[6]
Reaney IM, Iddles D. Microwave dielectric ceramics for resonators and filters in mobile phone networks. J Am Ceram Soc 2006, 89: 2063-2072.
[7]
Yang HC, Zhang SR, Yang HY, et al. The latest process and challenges of microwave dielectric ceramics based on pseudo phase diagrams. J Adv Ceram 2021, 10: 885-932.
[8]
Cohn SB. Microwave bandpass filters containing high-Q dielectric resonators. IEEE Trans Microw Theory Tech 1968, 16: 218-227.
[9]
Zhao ED, Hao JY, Xue X, et al. Rutile TiO2 microwave dielectric ceramics prepared via cold sintering assisted two step sintering. J Eur Ceram Soc 2021, 41: 3459-3465.
[10]
Ohsato H, Ohhashi T, Nishigaki S, et al. Formation of solid solutions of new tungsten bronze-type microwave dielectric compounds Ba6-3xR8+2xTi18O54 (R = Nd and Sm, 0 ≤ x ≤ 1). Jpn J Appl Phys 1993, 32: 4323-4326.
[11]
Ohsato H. Science of tungstenbronze-type like Ba6-3xR8+2xTi18O54 (R = rare earth) microwave dielectric solid solutions. J Eur Ceram Soc 2001, 21: 2703-2711.
[12]
Ezaki K, Baba Y, Takahashi H, et al. Microwave dielectric properties of CaO-Li2O-Ln2O3-TiO2 Ceramics. Jpn J Appl Phys 1993, 32: 4319-4322.
[13]
Zhou CR, Chen GH, Cen ZY, et al. Structure and microwave dielectric characteristics of lithium-excess Ca0.6Nd0.8/3TiO3/(Li0.5Nd0.5)TiO3 ceramics. Mater Res Bull 2013, 48: 4924-4929.
[14]
Yoshida M, Hara N, Takada T, et al. Structure and dielectric properties of (Ca1-xNd2x/3)TiO3. Jpn J Appl Phys 1997, 36: 6818-6823.
[15]
Kim WS, Kim ES, Yoon KH. Effects of Sm3+ substitution on dielectric properties of Ca1-xSm2x/3TiO3 ceramics at microwave frequencies. J Am Ceram Soc 1999, 82: 2111-2115.
[16]
Huang CL, Tsai JT, Chen YB. Dielectric properties of (1-y)Ca1-xLa2x/3TiO3-y(Li,Nd)1/2TiO3 ceramic system at microwave frequency. Mater Res Bull 2001, 36: 547-556.
[17]
Kato J, Kagata H, Nishimoto K. Dielectric properties of (PbCa)(MeNb)O3 at microwave frequencies. Jpn J Appl Phys 1992, 31: 3144-3147.
[18]
Kucheiko S, Choi JW, Kim HJ, et al. Microwave characteristics of (Pb,Ca)(Fe,Nb,Sn)O3 dielectric materials. J Am Ceram Soc 1997, 80: 2937-2940.
[19]
Huang XP, Liu XY, Liu F, et al. Microstructures and microwave dielectric properties of (Ba1-xSrx)4(Sm0.4Nd0.6)28/3Ti18O54 solid solutions. J Adv Ceram 2017, 6: 50-58.
[20]
He TC, Lv CH, Li WH, et al. The dielectric constant of Ba6-3x(Sm1-yNdy)8+2xTi18O54 (x = 2/3) ceramics for microwave communication by linear regression analysis. Materials 2020, 13: 5733.
[21]
Wang G, Fu QY, Guo PJ, et al. Crystal structure, spectra analysis and dielectric characteristics of Ba4M28/3Ti18O54 (M = La, Pr, Nd, and Sm) microwave ceramics. Ceram Int 2021, 47: 1750-1757.
[22]
Chen YG, Guo WJ, Luo Y, et al. Microwave and terahertz properties of porous Ba4(Sm,Nd,Bi)28/3Ti18O54 ceramics obtained by sacrificial template method. J Am Ceram Soc 2021, 104: 5679-5688.
[23]
Hsiang HI, Chen CC, Yang SY. Microwave dielectric properties of Ca0.7Nd0.2TiO3 ceramic-filled CaO-B2O3-SiO2 glass for LTCC applications. J Adv Ceram 2019, 8: 345-351.
[24]
Lin SH, Lin ZQ, Chen CW. Microwave dielectric characterization of Ca0.6(La1-xYx)0.2667TiO3 perovskite ceramics with high positive temperature coefficient. Ceram Int 2021, 47: 16828-16832.
[25]
Zhou D, Pang LX, Wang DW, et al. High permittivity and low loss microwave dielectrics suitable for 5G resonators and low temperature co-fired ceramic architecture. J Mater Chem C 2017, 5: 10094-10098.
[26]
Ullah A, Liu HX, Manan A, et al. Microwave dielectric properties of Bi2(Li0.5Ta1.5)O7-TiO2-based ceramics for 5G cellular base station resonator application. Ceram Int 2021, 47: 8416-8423.
[27]
Pang LX, Zhou D, Qi ZM, et al. Structure-property relationships of low sintering temperature scheelite- structured (1-x)BiVO4-xLaNbO4 microwave dielectric ceramics. J Mater Chem C 2017, 5: 2695-2701.
[28]
Pang LX, Zhou D, Liu WG, et al. Crystal structure and microwave dielectric behaviors of scheelite structured (1- x)BiVO4-xLa2/3MoO4 (0.0 ≤ x ≤ 1.0) ceramics with ultra-low sintering temperature. J Eur Ceram Soc 2018, 38: 1535-1540.
[29]
Chen HT, Tang B, Gao AQ, et al. Aluminum substitution for titanium in Ba3.75Nd9.5Ti18O54 microwave dielectric ceramics. J Mater Sci Mater Electron 2015, 26: 405-410.
[30]
Tao J, Mu ML, Wang XH, et al. Improved microwave dielectric properties of anti-reduction Ba4(Ce0.5Sm0.5)9.3Ti18-zAlzO54 ceramics sintered in nitrogen atmosphere. J Mater Sci Mater Electron 2018, 29: 1392-1398.
[31]
Guo X, Tang B, Liu JQ, et al. Microwave dielectric properties and microstructure of Ba6-3xNd8+2xTi18-y(Cr1/2Nb1/2)yO54 ceramics. J Alloys Compd 2015, 646: 512-516.
[32]
Chen HT, Tang B, Duan SX, et al. Microstructure and microwave dielectric properties of Ba3.75Nd9.5Ti18-z(Mg1/3Nb2/3)zO54 ceramics. J Electron Mater 2015, 44: 1081-1087.
[33]
Xiong Z, Tang B, Fang ZX, et al. Crystal structure, Raman spectroscopy and microwave dielectric properties of Ba3.75Nd9.5Ti18-z(Al1/2Nb1/2)zO54 ceramics. J Alloys Compd 2017, 723: 580-588.
[34]
Chen HT, Xiong Z, Yuan Y, et al. Dependence of microwave dielectric properties on site substitution in Ba3.75Nd9.5Ti18O54 ceramic. J Mater Sci Mater Electron 2016, 27: 10951-10957.
[35]
Tang B, Xiang QY, Fang ZX, et al. Microwave dielectric properties of Ba3.75Nd9.5Ti18-zCr4z/3O54 ceramics. J Mater Sci Mater Electron 2018, 29: 535-540.
[36]
Guo WJ, Zhang J, Luo Y, et al. Microwave dielectric properties and thermally stimulated depolarization of Al-doped Ba4(Sm,Nd)9.33Ti18O54 ceramics. J Am Ceram Soc 2019, 102: 5494-5502.
[37]
Wang G, Fu QY, Shi H, et al. Novel thermally stable, high quality factor Ba4(Pr0.4Sm0.6)28/3Ti18-yGa4y/3O54 microwave dielectric ceramics. J Am Ceram Soc 2020, 103: 2520-2527.
[38]
Rodriguez-Carvajal J. A Program for Rietveld, Profile Matching and Integrated Intensity Refinements for X-ray and Neutron Data. Fullprof 2000, Version 1.6: Laboratoire Leon Brillouin, Gif sur Yvette, France, 2000.
[39]
Hakki BW, Coleman PD. A dielectric resonator method of measuring inductive capacities in the millimeter range. IRE Trans Microw Theory Tech 1960, 8: 402-410.
[40]
Courtney WE. Analysis and evaluation of a method of measuring the complex permittivity and permeability microwave insulators. IEEE Trans Microw Theory Tech 1970, 18: 476-485.
[41]
Krupka J, Derzakowski K, Riddle B, et al. A dielectric resonator for measurements of complex permittivity of low loss dielectric materials as a function of temperature. Meas Sci Technol 1998, 9: 1751-1756.
[42]
Shannon RD. Dielectric polarizabilities of ions in oxides and fluorides. J Appl Phys 1993, 73: 348-366.
[43]
Pei CJ, Tan JJ, Li Y, et al. Effect of Sb-site nonstoichiometry on the structure and microwave dielectric properties of Li3Mg2Sb1-xO6 ceramics. J Adv Ceram 2020, 9: 588-594.
[44]
Xia WS, Li LX, Ning PF, et al. Relationship between bond ionicity, lattice energy, and microwave dielectric properties of Zn(Ta1-xNbx)2O6 ceramics. J Am Ceram Soc 2012, 95: 2587-2592.
[45]
Huang FY, Su H, Li YX, et al. Low-temperature sintering and microwave dielectric properties of CaMg1-xLi2xSi2O6 (x = 0-0.3) ceramics. J Adv Ceram 2020, 9: 471-480.
[46]
Zhou X, Liu LT, Sun JJ, et al. Effects of (Mg1/3Sb2/3)4+ substitution on the structure and microwave dielectric properties of Ce2Zr3(MoO4)9 ceramics. J Adv Ceram 2021, 10: 778-789.
[47]
Sebastian MT. Dielectric Materials for Wireless Communication. Amsterdam, the Netherlands: Elsevier, 2008.
[48]
Chen MY, Chia CT, Lin IN, et al. Microwave properties of Ba(Mg1/3Ta2/3)O3, Ba(Mg1/3Nb2/3)O3 and Ba(Co1/3Nb2/3)O3 ceramics revealed by Raman scattering. J Eur Ceram Soc 2006, 26: 1965-1968.
[49]
Wu SY, Li Y, Chen XM. Raman spectra of Nd/Sn cosubstituted Ba6-3xSm8+2xTi18O54 microwave dielectric ceramics. J Appl Phys 2004, 96: 5683-5686.
[50]
Liao Q, Li L. Structural dependence of microwave dielectric properties of ixiolite structured ZnTiNb2O8 materials: Crystal structure refinement and Raman spectra study. Dalton Trans 2012, 41: 6963-6969.
[51]
Yin CZ, Yu ZZ, Shu LL, et al. A low-firing melilite ceramic Ba2CuGe2O7 and compositional modulation on microwave dielectric properties through Mg substitution. J Adv Ceram 2021, 10: 108-119.
[52]
Wang G, Fu QY, Shi H, et al. Suppression of oxygen vacancies generation in Ba6-3xSm8+2xTi18O54 (x = 2/3) microwave dielectric ceramics through Pr substitution. Ceram Int 2019, 45: 22148-22155.
[53]
Wang G, Fu QY, Guo PJ, et al. A/B-site cosubstituted Ba4Pr28/3Ti18O54 microwave dielectric ceramics with temperature stable and high Q in a wide range. Ceram Int 2020, 46: 11474-11483.
[54]
Xiong Z, Tang B, Yang CT, et al. Correlation between structures and microwave dielectric properties of Ba3.75Nd9.5-xSmxTi17.5(Cr1/2Nb1/2)0.5O54 ceramics. J Alloys Compd 2018, 740: 492-499.
[55]
Wu SY, Li Y, Chen XM. Raman spectra of Ba6-3xSm8+2xTi18O54 solid solution. J Phys Chem Solids 2003, 64: 2365-2368.
[56]
Scott JF, Remeika JP. High-temperature Raman study of samarium aluminate. Phys Rev B 1970, 1: 4182-4185.
[57]
Zaghrioui M, Bulou A, Laffez P, et al. Raman study of metal-insulator transition in NdNiO3 thin films. J Magn Magn Mater 2000, 211: 238-242.
[58]
Sanjuán ML, Orera VM, Merino RI, et al. Raman and X-ray study of perovskite solid solutions. J Phys: Condens Matter 1998, 10: 11687-11702.
[59]
Tompsett GA, Sammes NM, Phillips RJ. Raman spectroscopy of the LaGaO3 phase transition. J Raman Spectrosc 1999, 30: 497-500.
[60]
Loridant S, Abello L, Lucazeau G. Polarized Raman spectra of single crystals of BaCeO3. J Raman Spectrosc 1997, 28: 283-288.
[61]
Wu MJ, Zhang YC, Xiang MQ. Synthesis, characterization and dielectric properties of a novel temperature stable (1-x)CoTiNb2O8-xZnNb2O6 ceramic. J Adv Ceram 2019, 8: 228-237.
[62]
Liu W, Randall CA. Thermally stimulated relaxation in Fe-doped SrTiO3 systems: I. single crystals. J Am Ceram Soc 2008, 91: 3245-3250.
[63]
Yoon SH, Randall CA, Hur KH. Correlation between resistance degradation and thermally stimulated depolarization current in acceptor (Mg)-doped BaTiO3 submicrometer fine-grain ceramics. J Am Ceram Soc 2010, 93: 1950-1956.
[64]
Lee H, Kim JR, Lanagan MJ, et al. High-energy density dielectrics and capacitors for elevated temperatures: Ca(Zr,Ti)O3. J Am Ceram Soc 2013, 96: 1209-1213.
[65]
Zhang XH, Zhang Y, Zhang J, et al. Microwave dielectric properties and thermally stimulated depolarization currents study of (1-x)Ba0.6Sr0.4La4Ti4O15-xTiO2 ceramics. J Am Ceram Soc 2014, 97: 3170-3176.
[66]
Zhang XH, Zhang J, Xie ZK, et al. Structure, microwave dielectric properties and thermally stimulated depolarization currents of (1-x)Ba0.6Sr0.4La4Ti4O15-xBa5Nb4O15 solid solutions. J Am Ceram Soc 2015, 98: 1245-1252.
[67]
Zhang J, Zhou YY, Peng B, et al. Microwave dielectric properties and thermally stimulated depolarization currents of MgF2-doped diopside ceramics. J Am Ceram Soc 2014, 97: 3537-3543.
[68]
Zhang J, Yue ZX, Luo Y, et al. Understanding the thermally stimulated relaxation and defect behavior of Ti-containing microwave dielectrics: A case study of BaTi4O9. Mater Des 2017, 130: 479-487.
[69]
Luo Y, Zhang J, Yue ZX, et al. Improvement in microwave dielectric properties of Sr2TiO4 ceramics through post-annealing treatment. J Electroceramics 2018, 41: 67-72.
[70]
Hino T. Thermally stimulated characteristics in solid dielectrics. IEEE Trans Electr Insul 1980, EI-15: 301-311.
[71]
Lee SJ, Kang KY, Han SK. Low-frequency dielectric relaxation of BaTiO3 thin-film capacitors. Appl Phys Lett 1999, 75: 1784-1786.
[72]
Bräunlich P. Topics in Applied Physics: Thermally Stimulated Relaxation in Solids. Berlin, Heidelberg, Germany: Springer, 1979.
[73]
Yao XG, Lin HX, Zhao XY, et al. Effects of Al2O3 addition on the microstructure and microwave dielectric properties of Ba4Nd9.33Ti18O54 ceramics. Ceram Int 2012, 38: 6723-6728.
[74]
An SB, Jiang J, Wang JZ, et al. Microwave dielectric property modification of Ba4Nd9.33Ti18O54 ceramics by the substitution of (Al0.5Nb0.5)4+ for Ti4+ and the addition of NdAlO3. Ceram Int 2020, 46: 3960-3967.
[75]
Zhou LL, Zhou HQ, Shao H, et al. Microstructure and microwave dielectric properties of Ba6-3xSm8+2xTi18O54 ceramics with various BaxSr1-xTiO3 additions. J Rare Earths 2012, 30: 142-145.
[76]
Xu Y, Fu RL, Agathopoulos S, et al. Synthesis and microwave dielectric properties of BaO-Sm2O3-5TiO2 ceramics with NdAlO3 additions. Ceram Int 2016, 42: 14573-14580.
[77]
Xie WT, Zhang XY, Hang HC, et al. Microwave dielectric properties and microstructures of xBa0.33Sr0.67TiO3-(1-x)Ba4Sm9.33Ti18O54 ceramics with near-zero temperature coefficient. J Mater Sci Mater Electron 2019, 30: 4064-4068.
[78]
Li LX, Wang XB, Luo WJ, et al. Internal-strain-controlled tungsten bronze structural ceramics for 5G millimeter- wave metamaterials. J Mater Chem C 2021, 9: 14359-14370.