Domain Dynamics in Quantum-Paraelectric <mml:math xmlns:mml="http://www.w3.org/1998/Math/MathML" display="inline"><mml:mrow><mml:msub><mml:mrow><mml:mi>SrTiO</mml:mi></mml:mrow><mml:mn>3</mml:mn></mml:msub></mml:mrow></mml:math>
S. Kustov, Iulia Liubimova, Ekhard K. H. Salje
Abstract
Twin dynamics forced by acoustic waves shows several linear and nonlinear response modes below T_{c}=106 K. In the quantum paraelectric state a "quantum domain glass" at 25 K<T<40 K shows intense relaxation and temperature hysteresis. Domains float collectively in a complex, smooth landscape with long relaxation times. In the "quantum domain solid" state below 25 K new phenomena occur. A temperature-dependent memory effect of the elastic response after anneal at 36 K depends on the lowest temperature reached in the quantum domain solid state below 25 K. The glassiness of twin boundary dynamics vanishes for temperatures approaching absolute zero.
Topics & Concepts
Domain (mathematical analysis)Relaxation (psychology)Condensed matter physicsQuantumDielectricPhysicsQuantum mechanicsMathematicsMathematical analysisPsychologySocial psychologyFerroelectric and Piezoelectric MaterialsAcoustic Wave Resonator TechnologiesAdvanced Condensed Matter Physics