Artículo
Wrinkled labyrinths in critical demixing ferrofluid
Fecha de publicación:
01/2017
Editorial:
Royal Society of Chemistry
Revista:
Soft Matter
ISSN:
1744-683X
e-ISSN:
1744-6848
Idioma:
Inglés
Tipo de recurso:
Artículo publicado
Clasificación temática:
Resumen
A thin film of a critical ferrofluid mixture undergoes a sequence of transitions in a magnetic field. First the application of a field induces a critical demixing of the fluid into cylindrical droplets of the minority phase immersed in an extended majority phase. At a second critical field the cylindrical shape is destabilized and transforms into a labyrinth pattern. A third wrinkling transition occurs at even higher field if the liquid has a liquid/air interface. The wrinkling is absent if the droplet has a cover-slide on top. We explain the wrinkling by the wetting behavior of the liquid/air interface that shifts the surface region away from a critical demixing point.
Palabras clave:
Modulated Phases
,
Line Tension
,
Critical Mixtures
,
Ferromagnetic Fluids
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Articulos(CIQUIBIC)
Articulos de CENTRO DE INVEST.EN QCA.BIOL.DE CORDOBA (P)
Articulos de CENTRO DE INVEST.EN QCA.BIOL.DE CORDOBA (P)
Citación
Wilke, Natalia; Bugase, Jonas; Treffenstädt, Lisa-Marie; Fischer, Thomas M.; Wrinkled labyrinths in critical demixing ferrofluid; Royal Society of Chemistry; Soft Matter; 13; 40; 1-2017; 7307-7311
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