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Thermal conductivity measurements of three-dimensional nano-structures

AuthorsCaballero-Calero, Olga ; Abad Mayor, Begoña ; Ruiz-Clavijo, Alejandra ; Martín-González, Marisol
Issue Date23-Jul-2018
Citation20th International Conference on Superlattices, Nanostructures and Nanodevices (ICSNN) (2018)
AbstractThe determination of the thermal conductivity is a crucial parameter in fields such as thermoelectricity, in which nano-structuration is one of the paths that is being followed to decrease the thermal conductivity of certain materials as a way to improve their efficiency in the conversion of a thermal gradient into electricity [1]. We have developed a new three-dimensional nano-structure of thermoelectric materials based on interconnected nanowires grown by electrochemical deposition inside a 3D-Anodic Aluminum oxide (AAO) membrane which we developed in 2014 [2], as shown in Fig. 1. In order to characterize the thermal conductivity of these structures, the photoacoustic method has been implemented along with a thermal model developed for these kinds of structures [3], their thermal conductivity can be determined in order to study the effect of the nano-structuration on their thermoelectric efficiency.
DescriptionTrabajo presentado en el 20th International Conference on Superlattices, Nanostructures and Nanodevices (ICSNN2018), celebrado en Madrid, del 23 al 27 de julio de 2018
Appears in Collections:(IMN-CNM) Comunicaciones congresos
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