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Non-planar nanostructures at atomic scale: from atomic structure to photonics in the (S)TEM

AutorArbiol, Jordi; Mata, Maria de la; Genç, Aziz
Fecha de publicación2016
CitaciónISM Golden Jubilee 2016
ResumenTechnology at the nanoscale has become one of the main challenges in science as new physical effects appear and can be modulated at will. Materials for spintronics, electronics, optoelectronics, chemical sensing, and new generations of functionalized materials are taking advantage of the low dimensionality, improving their properties and opening a new range of applications. As developments in materials science are pushing to the size limits of physics and chemistry, there is a critical need for understanding the origin of these unique physical properties (optical and electronic) and relate them to the changes originated at the atomic scale, e.g.: linked to changes in (electronic) structure of the material. During the seminar, I will show how combining advanced electron microscopy imaging with electron spectroscopy, as well as cathodoluminescence in an aberration corrected STEM will allow us to probe the elemental composition and electronic structure simultaneously with the optical properties in unprecedented spatial detail. The talk will focus on several examples in advanced nanomaterials for optical and plasmonic applications: quantum structures self-assembled in a nanowire as well as metal multiwall nanoboxes and nanoframes for 3D plasmonics. In this way the latest results obtained by my group on direct correlation between optical properties at sub-nanometer scale and structure at atomic scale will be presented.
DescripciónResumen del trabajo presentado al 50th Annual Meeting of Israel Society for Microscopy (ISM), celebrado en Haifa (Israel) del 31 de mayo al 2 de junio de 2016.
URIhttp://hdl.handle.net/10261/160919
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