Sapper, Eva ; Schaab, Silke ; Jo, Wook ; Granzow, Torsten ; Rödel, Jürgen (2012)
Influence of electric fields on the depolarization temperature of Mn-doped (1-x)Bi1/2Na1/2TiO3-xBaTiO3.
In: Journal of Applied Physics, 111 (1)
doi: 10.1063/1.3674275
Artikel, Bibliographie
Kurzbeschreibung (Abstract)
The transition between induced long-range order and relaxor-like behavior upon heating is investigated in lead-free (1-x)Bi1/2Na1/2(Ti0.995Mn0.005)O3-xBa(Ti0.995Mn0.005)O3 piezoceramics with x¼0.03, 0.06, and 0.09 (BNT-100xBT:Mn). Temperature-dependent permittivity e0(T) and thermally stimulated depolarization currents (TSDC) of poled samples were measured under identical heating conditions to clarify the depolarization mechanism. In both methods, the influence of electric bias fields on the transition temperature was investigated. Fields applied in the poling direction shift the transition to higher temperatures, with corresponding results in e0(T) and TSDC measurements. While the response of transition temperature to external fields displays a similar trend in all investigated compositions, the shape of TSDC is clearly connected with the composition and, hence, the crystal symmetry of the sample. Furthermore, the comparison of e0(T) and TSDC data reveals a systematic shift between transition temperatures obtained with the two different methods.
| Typ des Eintrags: | Artikel |
|---|---|
| Erschienen: | 2012 |
| Autor(en): | Sapper, Eva ; Schaab, Silke ; Jo, Wook ; Granzow, Torsten ; Rödel, Jürgen |
| Art des Eintrags: | Bibliographie |
| Titel: | Influence of electric fields on the depolarization temperature of Mn-doped (1-x)Bi1/2Na1/2TiO3-xBaTiO3 |
| Sprache: | Englisch |
| Publikationsjahr: | 6 Januar 2012 |
| Titel der Zeitschrift, Zeitung oder Schriftenreihe: | Journal of Applied Physics |
| Jahrgang/Volume einer Zeitschrift: | 111 |
| (Heft-)Nummer: | 1 |
| DOI: | 10.1063/1.3674275 |
| Kurzbeschreibung (Abstract): | The transition between induced long-range order and relaxor-like behavior upon heating is investigated in lead-free (1-x)Bi1/2Na1/2(Ti0.995Mn0.005)O3-xBa(Ti0.995Mn0.005)O3 piezoceramics with x¼0.03, 0.06, and 0.09 (BNT-100xBT:Mn). Temperature-dependent permittivity e0(T) and thermally stimulated depolarization currents (TSDC) of poled samples were measured under identical heating conditions to clarify the depolarization mechanism. In both methods, the influence of electric bias fields on the transition temperature was investigated. Fields applied in the poling direction shift the transition to higher temperatures, with corresponding results in e0(T) and TSDC measurements. While the response of transition temperature to external fields displays a similar trend in all investigated compositions, the shape of TSDC is clearly connected with the composition and, hence, the crystal symmetry of the sample. Furthermore, the comparison of e0(T) and TSDC data reveals a systematic shift between transition temperatures obtained with the two different methods. |
| Zusätzliche Informationen: | SFB 595 D1 |
| Fachbereich(e)/-gebiet(e): | 11 Fachbereich Material- und Geowissenschaften > Materialwissenschaft > Fachgebiet Nichtmetallisch-Anorganische Werkstoffe DFG-Sonderforschungsbereiche (inkl. Transregio) > Sonderforschungsbereiche > SFB 595: Elektrische Ermüdung > D - Bauteileigenschaften > Teilprojekt D1: Mesoskopische und makroskopische Ermüdung in dotierten ferroelektrischen Keramiken 11 Fachbereich Material- und Geowissenschaften > Materialwissenschaft DFG-Sonderforschungsbereiche (inkl. Transregio) > Sonderforschungsbereiche > SFB 595: Elektrische Ermüdung > D - Bauteileigenschaften DFG-Sonderforschungsbereiche (inkl. Transregio) > Sonderforschungsbereiche > SFB 595: Elektrische Ermüdung 11 Fachbereich Material- und Geowissenschaften Zentrale Einrichtungen DFG-Sonderforschungsbereiche (inkl. Transregio) > Sonderforschungsbereiche DFG-Sonderforschungsbereiche (inkl. Transregio) |
| Hinterlegungsdatum: | 12 Jan 2012 10:47 |
| Letzte Änderung: | 05 Mär 2013 09:57 |
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