Dynamics of confined liquid crystals
| dc.contributor.advisor | Hernández Ortiz, Juan Pablo | spa |
| dc.contributor.author | Villada Gil, Stiven | spa |
| dc.date.accessioned | 2021-03-01T19:39:35Z | spa |
| dc.date.available | 2021-03-01T19:39:35Z | spa |
| dc.date.issued | 2020-09-07 | spa |
| dc.description.abstract | Thermotropic nematic liquid crystals in contact with surfaces at the nanoscale were studied by means of beyond equilibrium thermodynamics and computational simulations. In particular, nanoparticles of different geometries suspended in nematic liquid crystals were studied. For this purpose, biaxial systems, thermal fluctuations, confi nement effects and hydrodynamic fields were taken into account. The purpose was to elucidate the physical mechanisms of by which liquid crystals organize when they are in contact with surfaces, construct phase diagrams, and analyze how fluctuations affect the stability of the isotropic phase as well as the uniaxial and biaxial nematic; also we focused on describing the formation and evolution of the topological defects that are generated around nanoparticles and on the understanding of the role of hydrodynamics in the self-assembly of colloids in nematics. | spa |
| dc.description.abstract | Los cristales líquidos nemáticos termotrópicos en contacto con super cies en la nanoescala fueron estudiados partiendo de termodinámica más allá del equilibrio y usando simulaciones computacionales. En particular, se estudiaron nano-partículas de diferentes geometrías suspendidas en cristales líquidos nemáticos. Para tal fi n, se tuvieron en cuenta tópicos tan diversos como: sistemas biaxiales, fluctuaciones térmicas, efectos de confi namiento y campos hidrodinámicos. El propósito fue elucidar los mecanismos físicos de organización de cristales líquidos en contacto con super cies, construir diagramas de fases y analizar como las fluctuaciones afectan la estabilidad de la fase isotrópica, la nemática uniaxial y la nemática biaxial; así como describir la formación y evolución de los defectos topológicos generados alrededor de las nano-partículas y entender el rol de la hidrodinámica en el auto-ensamblaje de tales coloides nemáticos. | spa |
| dc.description.degreelevel | Doctorado | spa |
| dc.format.extent | 96 | spa |
| dc.format.mimetype | application/pdf | spa |
| dc.identifier.uri | https://repositorio.unal.edu.co/handle/unal/79330 | |
| dc.language.iso | eng | spa |
| dc.publisher.branch | Universidad Nacional de Colombia - Sede Medellín | spa |
| dc.publisher.department | Departamento de Materiales y Minerales | spa |
| dc.publisher.program | Medellín - Minas - Doctorado en Ingeniería - Ciencia y Tecnología de Materiales | spa |
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| dc.subject.ddc | 530 - Física | spa |
| dc.subject.ddc | 600 - Tecnología (Ciencias aplicadas) | spa |
| dc.subject.proposal | Cristales líquidos nemáticos | spa |
| dc.subject.proposal | Mematic liquid crystals | eng |
| dc.subject.proposal | Fluidos complejos | spa |
| dc.subject.proposal | Complex fluids | eng |
| dc.subject.proposal | Defectos topológicos | spa |
| dc.subject.proposal | Topological defects | eng |
| dc.subject.proposal | Método de los elementos finitos | spa |
| dc.subject.proposal | Finite element method | eng |
| dc.subject.proposal | Método Monte Carlo | spa |
| dc.subject.proposal | Monte Carlo method | eng |
| dc.title | Dynamics of confined liquid crystals | spa |
| dc.title.alternative | Dinámica de cristales líquidos confinados | spa |
| dc.type | Trabajo de grado - Doctorado | spa |
| dc.type.coar | http://purl.org/coar/resource_type/c_db06 | spa |
| dc.type.coarversion | http://purl.org/coar/version/c_ab4af688f83e57aa | spa |
| dc.type.content | Text | spa |
| dc.type.driver | info:eu-repo/semantics/doctoralThesis | spa |
| dc.type.version | info:eu-repo/semantics/acceptedVersion | spa |
| oaire.accessrights | http://purl.org/coar/access_right/c_abf2 | spa |
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