Characterization of the 105K phase transition in flux-grown SrTiO3

Abstract
An electron-paramagnetic-resonance study of the 105 K phase transition in a flux-grown low dislocation density SrTiO3 crystal is described. The rotational order parameter reveals no time-dependent effects, and the transition is within experimental accuracy continuous. These results agree with recent X-ray and neutron-scattering measurements of the lattice parameter, a = a(T c) × cos phi; being continuous at T c