Structural, electrical conductivity and dielectric relaxation behavior of LiHf2(PO4)3 ceramic powders
Lithium hafnium phosphate LiHf2(PO4)3 (LHP) was synthesized via solid-state synthesis technique. The sintering behavior, structure, and phase composition of the as-prepared sample was analyzed using X-ray diffraction (XRD) characterization technique. The XRD-Rietveld refinement analysis showed that...
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| Format: | Article |
| Language: | English |
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Australian Ceramic Society
2017
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| Online Access: | http://psasir.upm.edu.my/id/eprint/63309/1/Structural%2C%20electrical%20conductivity%20and%20dielectric%20relaxation%20behavior%20of%20LiHf2%28PO4%293%20ceramic%20powders.pdf |
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| author | Zangina, Tasiu Hassan, Jumiah Azis, Raba’ah Syahidah Matori, Khamirul Amin See, Alex Alibe, Ibrahim Mustapha Umar, Sadiq |
| author_facet | Zangina, Tasiu Hassan, Jumiah Azis, Raba’ah Syahidah Matori, Khamirul Amin See, Alex Alibe, Ibrahim Mustapha Umar, Sadiq |
| author_sort | Zangina, Tasiu |
| collection | UPM |
| description | Lithium hafnium phosphate LiHf2(PO4)3 (LHP) was synthesized via solid-state synthesis technique. The sintering behavior, structure, and phase composition of the as-prepared sample was analyzed using X-ray diffraction (XRD) characterization technique. The XRD-Rietveld refinement analysis showed that after sintering at low temperatures 500 to 1000 °C, it exhibited various secondary phases. However, a single phase was observed as the sintering temperature increases from 1100 to 1200 °C. LHP sintered at 1100 °C produced real features of sodium superionic conductor type (NASICON-type) with hexagonal crystal axis indicating R-3c space group. The electrical properties were studied using impedance spectroscopy technique. Frequency and temperature dependence behavior of conductivity (ac and dc) and dielectric permittivity were studied. The results obtained describes the conduction mechanism in the system. Electric modulus formalism was performed to investigate the relaxation behavior which showed that as measuring temperature increases, the relaxation frequency increases whereas relaxation time decreases. This behavior explains the hopping mechanism of the charge carriers in the system. Likewise, the correlated barrier hopping model elucidates the dominant hopping mechanism. |
| first_indexed | 2024-03-06T09:44:14Z |
| format | Article |
| id | upm.eprints-63309 |
| institution | Universiti Putra Malaysia |
| language | English |
| last_indexed | 2024-03-06T09:44:14Z |
| publishDate | 2017 |
| publisher | Australian Ceramic Society |
| record_format | dspace |
| spelling | upm.eprints-633092018-10-15T02:59:23Z http://psasir.upm.edu.my/id/eprint/63309/ Structural, electrical conductivity and dielectric relaxation behavior of LiHf2(PO4)3 ceramic powders Zangina, Tasiu Hassan, Jumiah Azis, Raba’ah Syahidah Matori, Khamirul Amin See, Alex Alibe, Ibrahim Mustapha Umar, Sadiq Lithium hafnium phosphate LiHf2(PO4)3 (LHP) was synthesized via solid-state synthesis technique. The sintering behavior, structure, and phase composition of the as-prepared sample was analyzed using X-ray diffraction (XRD) characterization technique. The XRD-Rietveld refinement analysis showed that after sintering at low temperatures 500 to 1000 °C, it exhibited various secondary phases. However, a single phase was observed as the sintering temperature increases from 1100 to 1200 °C. LHP sintered at 1100 °C produced real features of sodium superionic conductor type (NASICON-type) with hexagonal crystal axis indicating R-3c space group. The electrical properties were studied using impedance spectroscopy technique. Frequency and temperature dependence behavior of conductivity (ac and dc) and dielectric permittivity were studied. The results obtained describes the conduction mechanism in the system. Electric modulus formalism was performed to investigate the relaxation behavior which showed that as measuring temperature increases, the relaxation frequency increases whereas relaxation time decreases. This behavior explains the hopping mechanism of the charge carriers in the system. Likewise, the correlated barrier hopping model elucidates the dominant hopping mechanism. Australian Ceramic Society 2017-10 Article PeerReviewed text en http://psasir.upm.edu.my/id/eprint/63309/1/Structural%2C%20electrical%20conductivity%20and%20dielectric%20relaxation%20behavior%20of%20LiHf2%28PO4%293%20ceramic%20powders.pdf Zangina, Tasiu and Hassan, Jumiah and Azis, Raba’ah Syahidah and Matori, Khamirul Amin and See, Alex and Alibe, Ibrahim Mustapha and Umar, Sadiq (2017) Structural, electrical conductivity and dielectric relaxation behavior of LiHf2(PO4)3 ceramic powders. Journal of the Australian Ceramic Society, 54 (2). pp. 307-316. ISSN 0004-881X https://link.springer.com/article/10.1007/s41779-017-0155-2 10.1007/s41779-017-0155-2 |
| spellingShingle | Zangina, Tasiu Hassan, Jumiah Azis, Raba’ah Syahidah Matori, Khamirul Amin See, Alex Alibe, Ibrahim Mustapha Umar, Sadiq Structural, electrical conductivity and dielectric relaxation behavior of LiHf2(PO4)3 ceramic powders |
| title | Structural, electrical conductivity and dielectric relaxation behavior of LiHf2(PO4)3 ceramic powders |
| title_full | Structural, electrical conductivity and dielectric relaxation behavior of LiHf2(PO4)3 ceramic powders |
| title_fullStr | Structural, electrical conductivity and dielectric relaxation behavior of LiHf2(PO4)3 ceramic powders |
| title_full_unstemmed | Structural, electrical conductivity and dielectric relaxation behavior of LiHf2(PO4)3 ceramic powders |
| title_short | Structural, electrical conductivity and dielectric relaxation behavior of LiHf2(PO4)3 ceramic powders |
| title_sort | structural electrical conductivity and dielectric relaxation behavior of lihf2 po4 3 ceramic powders |
| url | http://psasir.upm.edu.my/id/eprint/63309/1/Structural%2C%20electrical%20conductivity%20and%20dielectric%20relaxation%20behavior%20of%20LiHf2%28PO4%293%20ceramic%20powders.pdf |
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