Polarized cluster dynamics at the paraelectric to ferroelectric phase transition in BaTiO 3
The mechanism of the prototype ferroelectric phase transition in BaTiO 3 is a matter of intense debate and to a large extent still wrapped in mystery. Precursor phenomena in the form of polarized clusters in paraelectric BaTiO3 are by now believed to represent a key step into the ferroelectric phenomenon. The determination of a slower dynamics of cluster polarization flipping along with a faster order-disorder Ti hopping mode among 111 off-center sites suggests coexistence, instead of mutual...[Show more]
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|Source:||Journal of Physical Chemistry B|
|01_Pasciak_Polarized_cluster_dynamics_at_2010.pdf||3.46 MB||Adobe PDF||Request a copy|
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