Effect of the sintering technique on the ferroelectric and d33 piezoelectric coefficients of Bi0.5(Na0.84K0.16)0.5TiO3 ceramic
Abstract In the search of lead-free piezoelectric materials, ceramic processing techniques offer potential tools to increase the piezoelectric and ferroelectric properties in addition to new chemical compositions. Powders of pure BNKT16 (Bi0.5(Na0.84K0.16)0.5TiO3) phase were synthesized by sol-gel m...
| Main Authors: | , , , , , , , , , |
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| Format: | Article |
| Language: | English |
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Tsinghua University Press
2019-06-01
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| Series: | Journal of Advanced Ceramics |
| Subjects: | |
| Online Access: | http://link.springer.com/article/10.1007/s40145-019-0314-8 |
| _version_ | 1797722560258899968 |
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| author | G. Hernandez-Cuevas J. R. Leyva Mendoza P. E. García-Casillas C. A. Rodríguez González J. F. Hernandez-Paz G. Herrera-Pérez L. Fuentes-Cobas S. Díaz de la Torre O. Raymond-Herrera H. Camacho-Montes |
| author_facet | G. Hernandez-Cuevas J. R. Leyva Mendoza P. E. García-Casillas C. A. Rodríguez González J. F. Hernandez-Paz G. Herrera-Pérez L. Fuentes-Cobas S. Díaz de la Torre O. Raymond-Herrera H. Camacho-Montes |
| author_sort | G. Hernandez-Cuevas |
| collection | DOAJ |
| description | Abstract In the search of lead-free piezoelectric materials, ceramic processing techniques offer potential tools to increase the piezoelectric and ferroelectric properties in addition to new chemical compositions. Powders of pure BNKT16 (Bi0.5(Na0.84K0.16)0.5TiO3) phase were synthesized by sol-gel method with a low crystallization temperature (750 °C). Ceramic samples were sintered by pressureless sintering (PLS), sinter-forging (SF), and spark plasma sintering (SPS) techniques. Structural, morphological, and chemical characterizations were performed by XRD, Raman, EDS, and SEM. Sintered samples by PLS and SF exhibit rod-like grains associated to bismuth volatility. The highest remanent polarization (11.05 μC/cm2), coercive field (26.2 kV/mm), and piezoelectric coefficient (165 pC/N) were obtained for SF sample. The piezoresponse force microscopy (PFM) analysis shows that the crystallites at the nanoscale exhibit piezoelectric phenomenon and the highest piezoelectric response is reported for PLS sample. The presence of the rhombohedral phase, the increase in grain and crystallite size, and the oriented rod-like inclusions favoring the crystallographic texture are facts that enhance the piezoelectric coefficient for BNKT16 piezoceramics. |
| first_indexed | 2024-03-12T09:49:05Z |
| format | Article |
| id | doaj.art-7390ad0bef7e4d61a3f141eee0979974 |
| institution | Directory Open Access Journal |
| issn | 2226-4108 2227-8508 |
| language | English |
| last_indexed | 2024-03-12T09:49:05Z |
| publishDate | 2019-06-01 |
| publisher | Tsinghua University Press |
| record_format | Article |
| series | Journal of Advanced Ceramics |
| spelling | doaj.art-7390ad0bef7e4d61a3f141eee09799742023-09-02T12:40:07ZengTsinghua University PressJournal of Advanced Ceramics2226-41082227-85082019-06-018227828810.1007/s40145-019-0314-8Effect of the sintering technique on the ferroelectric and d33 piezoelectric coefficients of Bi0.5(Na0.84K0.16)0.5TiO3 ceramicG. Hernandez-Cuevas0J. R. Leyva Mendoza1P. E. García-Casillas2C. A. Rodríguez González3J. F. Hernandez-Paz4G. Herrera-Pérez5L. Fuentes-Cobas6S. Díaz de la Torre7O. Raymond-Herrera8H. Camacho-Montes9Instituto de Ingeniería y Tecnología, Universidad Autónoma de Ciudad JuárezInstituto de Ingeniería y Tecnología, Universidad Autónoma de Ciudad JuárezInstituto de Ingeniería y Tecnología, Universidad Autónoma de Ciudad JuárezInstituto de Ingeniería y Tecnología, Universidad Autónoma de Ciudad JuárezInstituto de Ingeniería y Tecnología, Universidad Autónoma de Ciudad JuárezCentro de Investigación en Materiales AvanzadosCentro de Investigación en Materiales AvanzadosCentro de Investigación e Innovación Tecnológica, Instituto Politécnico NacionalCentro de Nanociencias y Nanotecnología, Universidad Nacional Autónoma de MexicoInstituto de Ingeniería y Tecnología, Universidad Autónoma de Ciudad JuárezAbstract In the search of lead-free piezoelectric materials, ceramic processing techniques offer potential tools to increase the piezoelectric and ferroelectric properties in addition to new chemical compositions. Powders of pure BNKT16 (Bi0.5(Na0.84K0.16)0.5TiO3) phase were synthesized by sol-gel method with a low crystallization temperature (750 °C). Ceramic samples were sintered by pressureless sintering (PLS), sinter-forging (SF), and spark plasma sintering (SPS) techniques. Structural, morphological, and chemical characterizations were performed by XRD, Raman, EDS, and SEM. Sintered samples by PLS and SF exhibit rod-like grains associated to bismuth volatility. The highest remanent polarization (11.05 μC/cm2), coercive field (26.2 kV/mm), and piezoelectric coefficient (165 pC/N) were obtained for SF sample. The piezoresponse force microscopy (PFM) analysis shows that the crystallites at the nanoscale exhibit piezoelectric phenomenon and the highest piezoelectric response is reported for PLS sample. The presence of the rhombohedral phase, the increase in grain and crystallite size, and the oriented rod-like inclusions favoring the crystallographic texture are facts that enhance the piezoelectric coefficient for BNKT16 piezoceramics.http://link.springer.com/article/10.1007/s40145-019-0314-8lead-free piezoelectricssol-gelpressureless sintering (PLS)sinter-forging (SF)spark plasma sintering (SPS)piezoresponse |
| spellingShingle | G. Hernandez-Cuevas J. R. Leyva Mendoza P. E. García-Casillas C. A. Rodríguez González J. F. Hernandez-Paz G. Herrera-Pérez L. Fuentes-Cobas S. Díaz de la Torre O. Raymond-Herrera H. Camacho-Montes Effect of the sintering technique on the ferroelectric and d33 piezoelectric coefficients of Bi0.5(Na0.84K0.16)0.5TiO3 ceramic Journal of Advanced Ceramics lead-free piezoelectrics sol-gel pressureless sintering (PLS) sinter-forging (SF) spark plasma sintering (SPS) piezoresponse |
| title | Effect of the sintering technique on the ferroelectric and d33 piezoelectric coefficients of Bi0.5(Na0.84K0.16)0.5TiO3 ceramic |
| title_full | Effect of the sintering technique on the ferroelectric and d33 piezoelectric coefficients of Bi0.5(Na0.84K0.16)0.5TiO3 ceramic |
| title_fullStr | Effect of the sintering technique on the ferroelectric and d33 piezoelectric coefficients of Bi0.5(Na0.84K0.16)0.5TiO3 ceramic |
| title_full_unstemmed | Effect of the sintering technique on the ferroelectric and d33 piezoelectric coefficients of Bi0.5(Na0.84K0.16)0.5TiO3 ceramic |
| title_short | Effect of the sintering technique on the ferroelectric and d33 piezoelectric coefficients of Bi0.5(Na0.84K0.16)0.5TiO3 ceramic |
| title_sort | effect of the sintering technique on the ferroelectric and d33 piezoelectric coefficients of bi0 5 na0 84k0 16 0 5tio3 ceramic |
| topic | lead-free piezoelectrics sol-gel pressureless sintering (PLS) sinter-forging (SF) spark plasma sintering (SPS) piezoresponse |
| url | http://link.springer.com/article/10.1007/s40145-019-0314-8 |
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