Optimal Bi₀.₈Ba₀.₂FeO₃ doping in Bi₀.₅(Na₀.₇₇K₀.₂₀Li₀.₀₃)₀.₅TiO₃ multiferroic ceramics synthesized by the solid-state combustion technique
Abstract (1-x)Bi0.5(Na0.77K0.20Li0.03)0.5TiO3-xBi0.8Ba0.2FeO3 ((1-x)BNKLT-xBBF) ceramics with x = 0-0.4 were synthesized by the solid-state combustion technique. X-ray diffraction (XRD) analysis confirmed a pure perovskite structure with coexisting rhombohedral and tetragonal phases. Rietveld refine...
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Nature Portfolio
2025-07-01
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| Online Access: | https://doi.org/10.1038/s41598-025-04716-8 |
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| author | Pichittra Thawong Sasipohn Prasertpalichat Tawat Suriwong Supree Pinitsoontorn Pongsakorn Jantaratana Suphornphun Chootin Manlika Sriondee Thitirat Charoonsuk Naratip Vittayakorn Aurawan Rittidech Theerachai Bongkarn |
| author_facet | Pichittra Thawong Sasipohn Prasertpalichat Tawat Suriwong Supree Pinitsoontorn Pongsakorn Jantaratana Suphornphun Chootin Manlika Sriondee Thitirat Charoonsuk Naratip Vittayakorn Aurawan Rittidech Theerachai Bongkarn |
| author_sort | Pichittra Thawong |
| collection | DOAJ |
| description | Abstract (1-x)Bi0.5(Na0.77K0.20Li0.03)0.5TiO3-xBi0.8Ba0.2FeO3 ((1-x)BNKLT-xBBF) ceramics with x = 0-0.4 were synthesized by the solid-state combustion technique. X-ray diffraction (XRD) analysis confirmed a pure perovskite structure with coexisting rhombohedral and tetragonal phases. Rietveld refinement revealed that the unit cell volume increased with increased x due to the substitution of smaller Bi3+ and Ti4+ ions by larger Ba2+ and Fe3+ ions at the A- and B-sites, respectively. The average grain size and measured density also increased with increasing x, while the resistivity decreased. At room temperature, (1-x)BNKLT-xBBF ceramics with x = 0.2–0.4 exhibited multiferroic behavior, characterized by ferroelectric and ferromagnetic hysteresis loops. The 0.8BNKLT-0.2BBF ceramic exhibited the most favorable properties, including: the highest relative density (95.48%), the highest dielectric constant and low dielectric loss at room temperature (εR = 1746 and tan δR = 0.0296), good ferroelectric properties (Pr=6.46 µC/cm2 and Ec=11.84 kV/cm) and good ferromagnetic properties (Mr=0.002 emu/g, Hc=110 Oe and αE = 1.092 mV/Oe·cm). These results indicate that 0.8BNKLT-0.2BBF has the potential for applications in lead-free, room temperature multiferroic applications. |
| format | Article |
| id | doaj-art-7a6e2b0e4b004c4faed7bed1f377f1d1 |
| institution | DOAJ |
| issn | 2045-2322 |
| language | English |
| publishDate | 2025-07-01 |
| publisher | Nature Portfolio |
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| spelling | doaj-art-7a6e2b0e4b004c4faed7bed1f377f1d12025-08-20T03:03:24ZengNature PortfolioScientific Reports2045-23222025-07-0115111910.1038/s41598-025-04716-8Optimal Bi₀.₈Ba₀.₂FeO₃ doping in Bi₀.₅(Na₀.₇₇K₀.₂₀Li₀.₀₃)₀.₅TiO₃ multiferroic ceramics synthesized by the solid-state combustion techniquePichittra Thawong0Sasipohn Prasertpalichat1Tawat Suriwong2Supree Pinitsoontorn3Pongsakorn Jantaratana4Suphornphun Chootin5Manlika Sriondee6Thitirat Charoonsuk7Naratip Vittayakorn8Aurawan Rittidech9Theerachai Bongkarn10Department of Physics, Faculty of Science, Naresuan UniversityDepartment of Physics, Faculty of Science, Naresuan UniversityResearch Center for Academic Excellence in Applied Physics, Faculty of Science, Naresuan UniversityInstitute of Nanomaterials Research and Innovation for Energy (IN-RIE), Khon Kaen UniversityDepartment of Physics, Faculty of Science, Kasetsart UniversityDepartment of Physics, Faculty of Science, Naresuan UniversityDepartment of Physics, Faculty of Science, Naresuan UniversityDepartment of Materials Science, Faculty of Science, Srinakharinwirot UniversityAdvanced Materials Research Unit, Faculty of Science, King Mongkut’s Institute of Technology LadkrabangDepartment of Physics, Faculty of Science, Mahasarakham UniversityDepartment of Physics, Faculty of Science, Naresuan UniversityAbstract (1-x)Bi0.5(Na0.77K0.20Li0.03)0.5TiO3-xBi0.8Ba0.2FeO3 ((1-x)BNKLT-xBBF) ceramics with x = 0-0.4 were synthesized by the solid-state combustion technique. X-ray diffraction (XRD) analysis confirmed a pure perovskite structure with coexisting rhombohedral and tetragonal phases. Rietveld refinement revealed that the unit cell volume increased with increased x due to the substitution of smaller Bi3+ and Ti4+ ions by larger Ba2+ and Fe3+ ions at the A- and B-sites, respectively. The average grain size and measured density also increased with increasing x, while the resistivity decreased. At room temperature, (1-x)BNKLT-xBBF ceramics with x = 0.2–0.4 exhibited multiferroic behavior, characterized by ferroelectric and ferromagnetic hysteresis loops. The 0.8BNKLT-0.2BBF ceramic exhibited the most favorable properties, including: the highest relative density (95.48%), the highest dielectric constant and low dielectric loss at room temperature (εR = 1746 and tan δR = 0.0296), good ferroelectric properties (Pr=6.46 µC/cm2 and Ec=11.84 kV/cm) and good ferromagnetic properties (Mr=0.002 emu/g, Hc=110 Oe and αE = 1.092 mV/Oe·cm). These results indicate that 0.8BNKLT-0.2BBF has the potential for applications in lead-free, room temperature multiferroic applications.https://doi.org/10.1038/s41598-025-04716-8Lead-freeBNT-basedMultiferroic materialFerroelectric propertiesMagnetic properties |
| spellingShingle | Pichittra Thawong Sasipohn Prasertpalichat Tawat Suriwong Supree Pinitsoontorn Pongsakorn Jantaratana Suphornphun Chootin Manlika Sriondee Thitirat Charoonsuk Naratip Vittayakorn Aurawan Rittidech Theerachai Bongkarn Optimal Bi₀.₈Ba₀.₂FeO₃ doping in Bi₀.₅(Na₀.₇₇K₀.₂₀Li₀.₀₃)₀.₅TiO₃ multiferroic ceramics synthesized by the solid-state combustion technique Scientific Reports Lead-free BNT-based Multiferroic material Ferroelectric properties Magnetic properties |
| title | Optimal Bi₀.₈Ba₀.₂FeO₃ doping in Bi₀.₅(Na₀.₇₇K₀.₂₀Li₀.₀₃)₀.₅TiO₃ multiferroic ceramics synthesized by the solid-state combustion technique |
| title_full | Optimal Bi₀.₈Ba₀.₂FeO₃ doping in Bi₀.₅(Na₀.₇₇K₀.₂₀Li₀.₀₃)₀.₅TiO₃ multiferroic ceramics synthesized by the solid-state combustion technique |
| title_fullStr | Optimal Bi₀.₈Ba₀.₂FeO₃ doping in Bi₀.₅(Na₀.₇₇K₀.₂₀Li₀.₀₃)₀.₅TiO₃ multiferroic ceramics synthesized by the solid-state combustion technique |
| title_full_unstemmed | Optimal Bi₀.₈Ba₀.₂FeO₃ doping in Bi₀.₅(Na₀.₇₇K₀.₂₀Li₀.₀₃)₀.₅TiO₃ multiferroic ceramics synthesized by the solid-state combustion technique |
| title_short | Optimal Bi₀.₈Ba₀.₂FeO₃ doping in Bi₀.₅(Na₀.₇₇K₀.₂₀Li₀.₀₃)₀.₅TiO₃ multiferroic ceramics synthesized by the solid-state combustion technique |
| title_sort | optimal bi₀ ₈ba₀ ₂feo₃ doping in bi₀ ₅ na₀ ₇₇k₀ ₂₀li₀ ₀₃ ₀ ₅tio₃ multiferroic ceramics synthesized by the solid state combustion technique |
| topic | Lead-free BNT-based Multiferroic material Ferroelectric properties Magnetic properties |
| url | https://doi.org/10.1038/s41598-025-04716-8 |
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