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Periodicity-doubling cascades : direct observation in ferroelastic materials
Everhardt, Arnoud S. (Zernike Institute for Advanced Materials)
Damerio, Silvia (Zernike Institute for Advanced Materials)
Zorn, Jacob A. (Pennsylvania State University. Department of Materials Science and Engineering)
Zhou, Silang (Zernike Institute for Advanced Materials)
Domingo Marimon, Neus (Institut Català de Nanociència i Nanotecnologia)
Catalan, Gustau (Institut Català de Nanociència i Nanotecnologia)
Salje, Ekhard K. H. (University of Cambridge)
Chen, Long-Qing (Pennsylvania State University. Department of Materials Science and Engineering)
Noheda, Beatriz (Rijksuniversiteit Groningen. CogniGron Center)

Fecha: 2019
Resumen: Very sensitive responses to external forces are found near phase transitions. However, transition dynamics and preequilibrium phenomena are difficult to detect and control. We have observed that the equilibrium domain structure following a phase transition in ferroelectric and ferroelastic BaTiO3 is attained by halving of the domain periodicity multiple times. The process is reversible, with periodicity doubling as temperature is increased. This observation is reminiscent of the period-doubling cascades generally observed during bifurcation phenomena, and, thus, it conforms to the "spatial chaos" regime earlier proposed by Jensen and Bak [Phys. Scr. T 9, 64 (1985)PHSTER0281-184710. 1088/0031-8949/1985/T9/009] for systems with competing spatial modulations.
Nota: Número d'acord de subvenció MINECO/SEV-2017-0706
Nota: Número d'acord de subvenció MINECO/MAT2016-77100-C2-1-P
Nota: Número d'acord de subvenció MINECO/FIS2015-73932-JIN
Nota: Número d'acord de subvenció AGAUR/2017/SGR-579
Derechos: Tots els drets reservats.
Lengua: Anglès.
Documento: article ; recerca ; acceptedVersion
Materia: Bifurcation phenomena ; Direct observations ; Equilibrium domain ; External force ; Ferroelastic materials ; Period doubling cascade ; Spatial modulations ; Transition dynamics
Publicado en: Physical review letters, Vol. 123, issue 8 (August 2019) , art. 87603, ISSN 1079-7114

DOI: 10.1103/PhysRevLett.123.087603

8 p, 3.4 MB

El registro aparece en las colecciones:
Documentos de investigación > Documentos de los grupos de investigación de la UAB > Centros y grupos de investigación (producción científica) > Ciencias > Institut Català de Nanociència i Nanotecnologia (ICN2)
Artículos > Artículos de investigación
Artículos > Artículos publicados

 Registro creado el 2019-11-19, última modificación el 2020-03-28

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