References
- Du, C., Li, X.-K., Zhou, D., Wang, S.-F., Li, R.-L., Yao, X.-G., et al., Fabrication of high radiation efficiency dielectric resonator antenna array using temperature stable 0.8Zn2SiO4‐0.2TiO2 microwave dielectric ceramic, Adv. Mater. Technol., 2023; 8: 2201985
- Chen, Z., Zheng, Y., Li, B., A new microwave dielectric ceramic TmVO4 with high-quality factor and the effect of TiO2 on its microwave dielectric properties, J. Mater. Sci. Mater. Electron., 2023; 34: 828
- Sreejivungsa, K., Kosolwattana, S., Sakulsombat, M., Thongbai, P., Colossal permittivity and humidity sensing properties of CaCu3Ti4O12 ceramics derived from cockle shell CaCO3 via CO2 absorption, Sci. Rep., 2025; 15: 18030
- Dev, A., Das, T., Biswas, P., Shukla, A., Kour, P., Pradhan, S.K., et al., Enhancing dielectric characteristics of calcium copper titanate via lattice site modification, J. Mater. Sci., 2025; 60: 12859–12877
- Xiao, M., Wang, H., Tuersun, G., Feng, K., Bai, W., Zhou, Y., et al., Electrical resistance transition of CaCu3Ti4O12 ceramics induced by cyclic voltammetry conditioning, Ceram. Int., 2025; 50: 42333
- Petinardi, G.M., Thomazini, D., Uribe, J.O.M., Gelfuso, M.V., Non-stoichiometry influence on dielectric properties of CaCu3Ti4O12 based ceramics, Mater. Sci. Eng. B, 2024; 300: 117095
- Haque, M.E., Jose, M., Investigating the impact of Nd3+ and V5+ Co‐doping on the dielectric response and microstructure of CaCu3Ti4O12 ceramics, J. Am. Ceram. Soc., 2025; 108: e70077
- Moreno, H., Teixeira, V.C., Ponce, M.A., Macchi, C.E., Aldao, C.M., Bezzon, V.D.N., et al., Tuning dielectric and nonohmic properties of CaCu3Ti4O12 ceramics with W doping, Mater. Res. Bull., 2025; 190: 113493
- Lahrar, E., ELHarrak, A., Yahakoub, E., Bendahhou, A., Essaoudi, H., Faik, A., Structural evolution, electrical properties, and non-ohmic behavior of barium-doped CaCu3Ti4O12 ceramics synthesized via solid-state method, Ceram. Int., 2025; 51: 40098
- Boonlakhorn, J., Promsai, S., Pinsook, U., Thongbai, P., Srepusharawoot, P., Intrinsic and extrinsic factors associated with enhancing dielectric properties of Ni2+ and Sn4+ substituted CaCu3Ti4O12 ceramics, Ceram. Int., 2025; 51: 21412
- Rhouma, S., Megriche, A., Souidi, E., Said, S., Autret-Lambert, C., Simultaneous improvement of permittivity and nonlinear properties and loss tangent reduction through semi-wet route in NiO-modified CaCu3Ti4O12 ceramics: grain boundaries effect, J. Mater. Sci.: Mater. Electron., 2025; 36: 893
- Rani, K., Ahlawat, N., Kundu, R.S., Pooja, Saini, D., Deepa, Influence of Ho3+ doping on microstructure and dielectric properties of CaCu3Ti4O12 lead free ceramic, J. Phys. D.: Appl. Phys., 2025; 58: 135503
- Haque, M.E., Jose, M., La3+ doped CaCu3Ti4O12 ceramics: Investigation of its microstructural and dielectric properties against varying sintering durations, Inorg. Chem. Commun., 2024; 169: 113040
- Ramakrishna, B., Charan, P.H.K., Jagadeesh, Ch, Neeraja, R., Ramanaiah, M.E.C.S., Enhanced grain boundary resistance resulting in high permittivity and low dielectric loss in CaCu3Ti4O12/LaNiO3, J. Solid State Sci. Technol., 2024; 13: 113009
- Jalafi, I., Chaou, F., Bouazzati, W., Yahakoub, E., Bendahhou, A., ElBarkany, S., et al., Synthesis and characterization of new doped dielectric materials based on CaCu3Ti4O12 (CCTO) applied at high temperature, J. Solid State Chem., 2024; 331: 124506
- Djafar, R., Boumchedda, K., Fasquelle, D., Chaouchi, A., Sedda, K., Bououdina, M., et al., Tuning the dielectric properties of CaCu3Ti4O12 ceramic by Cu2O addition and microstructural modifications, Phys. B, 2023; 661: 414920
- Xue, R., Liu, X., Yang, Y., Zhu, X., Li, T., Optimization of the dielectric properties in Mn-doped Bi2/3Cu3Ti4O12 ceramics, Phys. Scr., 2025; 100: 085918
- Adams, T.B., Sinclair, D.C., West, A.R., Giant barrier layer capacitance effects in CaCu3Ti4O12 ceramics, Adv. Mater., 2002; 14: 1321
- Hu, W., Liu, Y., Withers, R.L., Frankcombe, T.J., Norén, L., Snashall, A., et al., Electron-pinned defect-dipoles for high-performance colossal permittivity materials, Nat. Mater., 2013; 12: 821
- Boonlakhom, J., Suksangrat, P., Sarakorn, W., Krongsuk, S., Thongbai, P., Srepusharawoot, P., Computational and experimental investigations of the giant dielectric property of Na1/2Y1/2Cu3Ti4O12 ceramics, Sci. Rep., 2023; 13: 4638
- Yuan, L., Zhang, T., Han, D-D., Effects of multiple cations and sintering temperature on microstructure and dielectric properties in Na1/2Ln1/2Cu3Ti4O12 (Ln = Sm and Eu) ceramic materials, Sci. Rep., 2023; 13: 15285
- Boonlakhom, J., Suksangrat, P., Chanlek, N., Sarakorn, W., Krongsuk, S., Thongbai, P., Dielectric properties with high dielectric permittivity and low loss tangent and nonlinear electrical response of sol-gel synthesized Na1/2Sm1/2Cu3Ti4O12 perovskite ceramic, J. Eur. Ceram. Soc., 2022; 42: 5659
- Kotb, H.M., Khater, H.A., Saber, O., Ahmad, M.M., Sintering temperature, frequency, and temperature dependent dielectric properties of Na0.5Sm0.5Cu3Ti4O12 ceramics, Materials, 2021; 14: 4805
- Jumpatam, J., Putasaeng, B., Boonlakhorn, J., Thongbai, P., Structural, dielectric, non-ohmic, and humidity-sensing properties of Na0.5Nd0.5Cu3Ti4O12 ceramic, J. Alloys. Comp., 2025; 1032: 181126
- Changchuea, A., Promsai, S., Khongpakdee, S., Mani, M., Intachai, S., Boonlakhorn, J., et al., Structural and dielectric characterization of La2/3Cu3Ti4O12 ceramics synthesized via a solid-state reaction combined with a double calcination process, Mater. Chem. Phys., 2025; 343: 131024
- Kotb, H.M., Ahmad, M.M., Ansari, S.A., Kayed, T.S., Alshoaibi, A., Dielectric properties of colossal-dielectric-constant Na1/2La1/2Cu3Ti4O12 ceramics prepared by spark plasma sintering, Molecules, 2022; 27: 779
- Liu, X., Li, Y., Zeng, L., Li, X., Chen, N., Bai, S., et al., A review on mechanochemistry: approaching advanced energy materials with greener force, Adv. Mater., 2022; 34, 2108327
- Reynes, J.F., Leon, F., García, F., Mechanochemistry for organic and inorganic synthesis, ACS Org. Inorg. Au, 2024; 4: 432
- Szczesniak, B., Choma, J., Jaroniec, M., Advances in microwave synthesis of nanoporous materials, Mater. Adv., 2021; 2: 2510
- Ahmad, M.M., Al-Libidi, E., Aljaafari, A., Ghazanfar, S., Yamada, K., Mechanochemical synthesis and giant dielectric properties of CaCu3Ti4O12, App.l Phys. A, 2014; 116: 1299–1306
- Ahmad, M.M., Giant dielectric constant in CaCu3Ti4O12 nanoceramics, Appl. Phys. Lett., 2013; 102: 232908
- Lin, H., Xu, W., Zhang, H., Chen, C., Zhou, Y., Yi, Z., Preparation of multifunctional dopamine-coated zerovalent iron/reduced graphene oxide for targeted phototheragnosis in breast cancer, J. Eur. Ceram. Soc., 2020; 40: 1957
- Ahmad, M.M., Kotb, H.M., Giant dielectric properties of fine-grained Na1/2Y1/2Cu3Ti4O12 ceramics prepared by mechanosynthesis and spark plasma sintering, J. Mater. Sci.: Mater. Electron., 2015; 26: 8939
- Kotb, H.M., Ahmad, M.M., Aldabal, S., Alshoaibi, A., Aljaafari, A., Structural and dielectric behavior of Al-substituted CaCu3Ti4O12 ceramics with giant dielectric constant by spark plasma sintering, J. Mater. Sci.: Mater. Electron., 2019; 30: 18259
- Li, J., Li, F., Li, C., Yang, G., Xu, Z., Zhang, S., Evidences of grain boundary capacitance effect on the colossal dielectric permittivity in (Nb + In) co-doped TiO2 ceramics, Sci. Rep., 2015; 5: 8295
- Zhang, L., Feng, S., Wang, N., Li, J., Li, H., Xu, D., Dielectric performance of DC electric field-assisted flash sintered (Sr, Sb) co-doped TiO2 ceramics, ECS J. Solid State Sci. Technol., 2023; 12: 113005
- Ferrarelli, M.C., Adams, T.B., Feteira, A., Sinclair, D.C., West, A.R., High intrinsic permittivity in Na1∕2Bi1∕2Cu3Ti4O12, Appl. Phys. Lett., 2006; 89: 212904
- Sun, X., Wang, C., Wang, G., Lei, C., Li, T., Liu, L., Low‐temperature dielectric relaxations associated with mixed‐valent structure in Na0.5Bi0.5Cu3Ti4O12, J. Am. Ceram. Soc., 2013; 96: 1497
- Ren, H., Liang, P., Yang, Z., Processing, dielectric properties and impedance characteristics of Na0.5Bi0.5Cu3Ti4O12 ceramics, Mater. Res. Bull., 2010; 45: 1608
- Tuichai, W., Thongbai, P., Amornkitbamrung, V., Yamwong, T., Maensiri, S., Na0.5Bi0.5Cu3Ti4O12 nanocrystalline powders prepared by a glycine–nitrate process: Preparation, characterization, and their dielectric properties, Microelectron. Eng., 2014; 126: 118
- Tuichai, W., Danwittayakul, S., Yamwong, T., Thongbai, P., Synthesis, dielectric properties, and influences oxygen vacancies have on electrical properties of Na1/2Bi1/2Cu3Ti4O12 ceramics prepared by a urea combustion method, J. Sol-Gel Sci. Technol., 2015; 76: 630
- Su, Y., Song, J., Liu, R., Huang, H., Fabrication and dielectric properties of Na0.5Bi0.5Cu3Ti4O12 from co-precipitation method, J. Electroceram., 2013; 30: 166
- Qiu, Y., Yuan, S., Tian, Z., Chen, L., Wang, C., Duan, H., et al., Grain size effect on the giant dielectric and nonlinear electrical behaviors of Bi1/2Na1/2Cu3Ti4O12 ceramics, Appl. Phys. A, 2012; 107: 379
- Su, Y., Wang, Y., Synthesis and dielectric properties of Na0.5Bi0.5Cu3Ti4O12 ceramic by molten salt method, Appl. Phys. A. 2016; 122: 249
- Pawar, S.M., Kim, J., Inamdar, A.I., Woo, H., Jo, Y., Pawar, B.S., et al., Multi-functional reactively-sputtered copper oxide electrodes for supercapacitor and electro-catalyst in direct methanol fuel cell applications, Sci. Rep., 2016; 6: 21310
- Fang, T.T., Mei, L.T., Evidence of Cu deficiency: a key point for the understanding of the mystery of the giant dielectric constant in CaCu3Ti4O12, J. Am. Ceram. Soc., 2007; 90: 638