Abstract
We acknowledge financial support from EPSRC (Grant No. EP/P024904/1) and support from the Spanish Ministerio de Ciencia, Innovacion y Universidades through Grant No. MAT2017-85232-R (AEI/FEDER, EU), Severo Ochoa SEV-2015-0496, the Generalitat de Catalunya through Grant No. 2017 301 SGR1377, and the Academy of Finland (Grant No. 316857).
Highlights
Domain motion during ferroelectric switching has been recently suggested to follow scale-invariant avalanche dynamics
SrTiO3 is a relevant case that comprises polar domain walls and a high dielectric anisotropy at low temperatures [6]. This material exhibits massive shifts of domain walls under applied electric fields, which go far beyond small bending effects as seen in friction experiments [7,8] and represent mesoscopic strain-driven domain movements [9,10,11,12]. These characteristics make of SrTiO3 an ideal candidate to analyze domain wall dynamics in a purely ferroelastic bulk material
An interesting question is to know if such behavior is mainly driven by the polarity of the bulk domains or, on the contrary, it is ruled by the properties of domain walls
Summary
Domain motion during ferroelectric switching has been recently suggested to follow scale-invariant avalanche dynamics. Patterns of ferroelastic twins can be changed by the application of electric fields in piezoelectric or electrostrictive materials [1,2]. Domain walls become polar below 80 K [16,17] and their mobility under an electric field or external stress increases massively below 60 K [6,18,19].
Sign-in/Register to view highlights & summary Sign-in/Register to access full text options 
Free) 
Talk to us
Join us for a 30 min session where you can share your feedback and ask us any queries you have
Schedule a call
