Electrical and dielectric properties of Nd-doped SrBi2Ta2O9 ceramics
Combination of molten-salt and calcination techniques was used to synthesize Nd-doped SrBi2Ta2O9 (x = 0, 0.02, 0.05 and 0.1) ceramic powders. The prepared powders were uniaxially pressed and sintered at 1200°C for 6 h. The suggested approach allows obtaining pure products without secondary phases, w...
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| Format: | Article |
| Language: | English |
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University of Novi Sad
2025-06-01
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| Series: | Processing and Application of Ceramics |
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| Online Access: | https://doiserbia.nb.rs/img/doi/1820-6131/2025/1820-61312502163A.pdf |
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| author | Afqir Mohamed Meng Yingzhi Fasquelle Didier Tachafine Amina Daoud Mohamed Elaatmani Mohamed |
| author_facet | Afqir Mohamed Meng Yingzhi Fasquelle Didier Tachafine Amina Daoud Mohamed Elaatmani Mohamed |
| author_sort | Afqir Mohamed |
| collection | DOAJ |
| description | Combination of molten-salt and calcination techniques was used to synthesize Nd-doped SrBi2Ta2O9 (x = 0, 0.02, 0.05 and 0.1) ceramic powders. The prepared powders were uniaxially pressed and sintered at 1200°C for 6 h. The suggested approach allows obtaining pure products without secondary phases, while the Nd content slightly affected the unit cell parameters. The diffusivity of the dielectric maximum increases and the Curie temperature decreases with the increase of Nd concentration. The non-overlapping small polaron tunneling remained the predominant conduction process. Within the temperature range from 300 to 450°C, both the bulk grain and the grain boundary resistances were determined from the Nyquist plots. It was shown that the grain boundary resistivity decreases with temperature owing to the charge carriers’ movement and the grain boundary and grain resistivities decrease when Nd was introduced in the SrBi2Ta2O9 structure. |
| format | Article |
| id | doaj-art-96d109ca459c4a2c98eddc22f5e9af97 |
| institution | Kabale University |
| issn | 1820-6131 2406-1034 |
| language | English |
| publishDate | 2025-06-01 |
| publisher | University of Novi Sad |
| record_format | Article |
| series | Processing and Application of Ceramics |
| spelling | doaj-art-96d109ca459c4a2c98eddc22f5e9af972025-08-20T03:55:54ZengUniversity of Novi SadProcessing and Application of Ceramics1820-61312406-10342025-06-0119216316910.2298/PAC2502163AElectrical and dielectric properties of Nd-doped SrBi2Ta2O9 ceramicsAfqir Mohamed0Meng Yingzhi1Fasquelle Didier2https://orcid.org/0000-0002-1947-1860Tachafine Amina3Daoud Mohamed4Elaatmani Mohamed5Cadi Ayyad University, Faculty of Sciences, Physical Chemistry of Materials and Environment, Marrakesh, MoroccoGuilin University of Technology, Guilin, ChinaUniversity of Littoral-Côte d’Opale, Dynamics and Structure of Molecular Materials Unit, Calais, FranceUniversity of Littoral-Côte d’Opale, Dynamics and Structure of Molecular Materials Unit, Calais, FranceCadi Ayyad University, Faculty of Sciences, Physical Chemistry of Materials and Environment, Marrakesh, MoroccoCadi Ayyad University, Faculty of Sciences, Physical Chemistry of Materials and Environment, Marrakesh, MoroccoCombination of molten-salt and calcination techniques was used to synthesize Nd-doped SrBi2Ta2O9 (x = 0, 0.02, 0.05 and 0.1) ceramic powders. The prepared powders were uniaxially pressed and sintered at 1200°C for 6 h. The suggested approach allows obtaining pure products without secondary phases, while the Nd content slightly affected the unit cell parameters. The diffusivity of the dielectric maximum increases and the Curie temperature decreases with the increase of Nd concentration. The non-overlapping small polaron tunneling remained the predominant conduction process. Within the temperature range from 300 to 450°C, both the bulk grain and the grain boundary resistances were determined from the Nyquist plots. It was shown that the grain boundary resistivity decreases with temperature owing to the charge carriers’ movement and the grain boundary and grain resistivities decrease when Nd was introduced in the SrBi2Ta2O9 structure.https://doiserbia.nb.rs/img/doi/1820-6131/2025/1820-61312502163A.pdfsrbi2ta2o9nd-dopingmolten saltdielectricelectrical conductivity |
| spellingShingle | Afqir Mohamed Meng Yingzhi Fasquelle Didier Tachafine Amina Daoud Mohamed Elaatmani Mohamed Electrical and dielectric properties of Nd-doped SrBi2Ta2O9 ceramics Processing and Application of Ceramics srbi2ta2o9 nd-doping molten salt dielectric electrical conductivity |
| title | Electrical and dielectric properties of Nd-doped SrBi2Ta2O9 ceramics |
| title_full | Electrical and dielectric properties of Nd-doped SrBi2Ta2O9 ceramics |
| title_fullStr | Electrical and dielectric properties of Nd-doped SrBi2Ta2O9 ceramics |
| title_full_unstemmed | Electrical and dielectric properties of Nd-doped SrBi2Ta2O9 ceramics |
| title_short | Electrical and dielectric properties of Nd-doped SrBi2Ta2O9 ceramics |
| title_sort | electrical and dielectric properties of nd doped srbi2ta2o9 ceramics |
| topic | srbi2ta2o9 nd-doping molten salt dielectric electrical conductivity |
| url | https://doiserbia.nb.rs/img/doi/1820-6131/2025/1820-61312502163A.pdf |
| work_keys_str_mv | AT afqirmohamed electricalanddielectricpropertiesofnddopedsrbi2ta2o9ceramics AT mengyingzhi electricalanddielectricpropertiesofnddopedsrbi2ta2o9ceramics AT fasquelledidier electricalanddielectricpropertiesofnddopedsrbi2ta2o9ceramics AT tachafineamina electricalanddielectricpropertiesofnddopedsrbi2ta2o9ceramics AT daoudmohamed electricalanddielectricpropertiesofnddopedsrbi2ta2o9ceramics AT elaatmanimohamed electricalanddielectricpropertiesofnddopedsrbi2ta2o9ceramics |