Chen, Min ; Pu, Yongping ; Zhang, Lei ; Shi, Yu ; Zhuo, Fangping ; Zhang, Qianwen ; Li, Run ; Du, Xinyi (2021)
Realizing room temperature double hysteresis loops in antiferroelectric NaNbO3 based ceramics.
In: Ceramics international, 47 (15)
doi: 10.1016/j.ceramint.2021.04.137
Artikel, Bibliographie
Kurzbeschreibung (Abstract)
Lead-free antiferroelectric (AFE) materials have seen a surge of research activity in environmentally friendly energy storage technologies. Recently, considerable work has been done to improve the stability of AFE in NaNbO3 (NN) ceramics, but it remains a grand challenge to obtain typical AFE characteristic double P-E loops in NN ceramics at ambient conditions. In a preliminary estimate of tolerance factor versus average electronegativity difference, we reported the stable AFE phase in 0.95NaNbO3-0.05BiMg2/3Ta1/3O3 sample. The orthorhombic Q to P phase transition was verified by XRD and TEM. Then, the remarkable double P-E loops were obtained in 0.95NaNbO3-0.05BiMg2/3Ta1/3O3 ceramics. Furthermore, a phenomenological model was proposed to explain the P-E relationships and our results. Compared with other reported compounds, the TP-R decreased more obviously from 350 ◦C to 200 ◦C. Superior temperature stability (variations of maximum current, current density, and power density within 15% over 30–140 ◦C) and field induced phase transition were also confirmed by the pulse charge testing. Our work develops a new road for achieving room-temperature double P-E loops in NN ceramics by BiM1M2O3 (M1 might be Mg, Zn, etc; M2 might be Nb, Ta, etc) additives.
| Typ des Eintrags: | Artikel |
|---|---|
| Erschienen: | 2021 |
| Autor(en): | Chen, Min ; Pu, Yongping ; Zhang, Lei ; Shi, Yu ; Zhuo, Fangping ; Zhang, Qianwen ; Li, Run ; Du, Xinyi |
| Art des Eintrags: | Bibliographie |
| Titel: | Realizing room temperature double hysteresis loops in antiferroelectric NaNbO3 based ceramics |
| Sprache: | Englisch |
| Publikationsjahr: | 7 Juli 2021 |
| Verlag: | Elsevier |
| Titel der Zeitschrift, Zeitung oder Schriftenreihe: | Ceramics international |
| Jahrgang/Volume einer Zeitschrift: | 47 |
| (Heft-)Nummer: | 15 |
| DOI: | 10.1016/j.ceramint.2021.04.137 |
| Kurzbeschreibung (Abstract): | Lead-free antiferroelectric (AFE) materials have seen a surge of research activity in environmentally friendly energy storage technologies. Recently, considerable work has been done to improve the stability of AFE in NaNbO3 (NN) ceramics, but it remains a grand challenge to obtain typical AFE characteristic double P-E loops in NN ceramics at ambient conditions. In a preliminary estimate of tolerance factor versus average electronegativity difference, we reported the stable AFE phase in 0.95NaNbO3-0.05BiMg2/3Ta1/3O3 sample. The orthorhombic Q to P phase transition was verified by XRD and TEM. Then, the remarkable double P-E loops were obtained in 0.95NaNbO3-0.05BiMg2/3Ta1/3O3 ceramics. Furthermore, a phenomenological model was proposed to explain the P-E relationships and our results. Compared with other reported compounds, the TP-R decreased more obviously from 350 ◦C to 200 ◦C. Superior temperature stability (variations of maximum current, current density, and power density within 15% over 30–140 ◦C) and field induced phase transition were also confirmed by the pulse charge testing. Our work develops a new road for achieving room-temperature double P-E loops in NN ceramics by BiM1M2O3 (M1 might be Mg, Zn, etc; M2 might be Nb, Ta, etc) additives. |
| Freie Schlagworte: | NaNbO3 Antiferroelectrics Double P–E loops Pulse discharge |
| Fachbereich(e)/-gebiet(e): | 11 Fachbereich Material- und Geowissenschaften 11 Fachbereich Material- und Geowissenschaften > Materialwissenschaft 11 Fachbereich Material- und Geowissenschaften > Materialwissenschaft > Fachgebiet Nichtmetallisch-Anorganische Werkstoffe |
| Hinterlegungsdatum: | 08 Jul 2021 05:08 |
| Letzte Änderung: | 08 Jul 2021 05:08 |
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