Stress-modulated relaxor-to-ferroelectric transition in lead-free (Na1/2Bi1/2) TiO3-BaTiO3 ferroelectrics

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Details zur Publikation

Autor(en): Schader FH, Wang Z, Hinterstein M, Daniels JE, Webber K
Zeitschrift: Physical Review B
Jahr der Veröffentlichung: 2016
Band: 93
Heftnummer: 13
ISSN: 2469-9950
Sprache: Englisch


Abstract


The effect of external mechanical fields on relaxor 0.94(Na1/2Bi1/2) TiO3-0.06BaTiO(3) was investigated by means of temperature-and stress-dependent dielectric constant measurements between 223 and 673 K. Analogous to previous investigations that showed an electric-field-induced ferroelectric long-range order in relaxor ferroelectrics, we show that compressive stress can also result in the transition to the long-range ferroelectric order, marked by the formation of an anomaly in the permittivity-temperature curves and a nonlinear, remanent change in permittivity during mechanical loading. In situ stress-dependent high-energy x-ray diffraction experiments were performed at room temperature and reveal an apparent phase transition during mechanical loading, consistent with previous macroscopic electrical measurements. The transition lines between the relaxor states and the stress-induced ferroelectric state were determined at constant temperatures with stress-dependent dielectric constant measurements, providing a stress-temperature phase diagram.



FAU-Autoren / FAU-Herausgeber

Webber, Kyle Prof.
Professur für Werkstoffwissenschaften (Funktionskeramik)


Autor(en) der externen Einrichtung(en)
Technische Universität Darmstadt
University of New South Wales (UNSW)


Zitierweisen

APA:
Schader, F.H., Wang, Z., Hinterstein, M., Daniels, J.E., & Webber, K. (2016). Stress-modulated relaxor-to-ferroelectric transition in lead-free (Na1/2Bi1/2) TiO3-BaTiO3 ferroelectrics. Physical Review B, 93(13). https://dx.doi.org/10.1103/PhysRevB.93.134111

MLA:
Schader, Florian H., et al. "Stress-modulated relaxor-to-ferroelectric transition in lead-free (Na1/2Bi1/2) TiO3-BaTiO3 ferroelectrics." Physical Review B 93.13 (2016).

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Zuletzt aktualisiert 2018-10-08 um 06:53