From micrometers to picometers: evolution of microscopy techniques for the study of nanomaterials
Over the last few decades, electron microscopy (EM) and scanning probe microscopy (SPM) techniques have had a great contribution to the study of nanomaterials in many research fields, providing morphological, structural, interfacial, electric and magnetic information, among many others. Recent techn...
| Autores: | , |
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| Tipo de recurso: | artículo |
| Estado: | Versión publicada |
| Fecha de publicación: | 2019 |
| País: | México |
| Institución: | UNIVERSIDAD NACIONAL AUTÓNOMA DE MÉXICO |
| Repositorio: | Mundo Nano. Revista Interdisciplinaria en Nanociencias y Nanotecnología |
| Idioma: | español |
| OAI Identifier: | oai:ojs.pkp.sfu.ca:article/67334 |
| Acceso en línea: | https://www.mundonano.unam.mx/ojs/index.php/nano/article/view/67334 |
| Access Level: | acceso abierto |
| Palabra clave: | SEM FSEM TEM HR-HAADF STEM AFM STM STS MFM |
| Sumario: | Over the last few decades, electron microscopy (EM) and scanning probe microscopy (SPM) techniques have had a great contribution to the study of nanomaterials in many research fields, providing morphological, structural, interfacial, electric and magnetic information, among many others. Recent technological advances of these techniques have helped to achieve unprecedent spatial resolution limits unimaginable 25 years ago, being the last reported values of tenths of picometers (10-12 m). In addition, these techniques have grown in analytical capabilities in the nanoscience and nanotechnology fields, resulting in new independent, or even complimentary, techniques that have improved the understanding of interaction phenomena and physicochemical properties at the atomic and molecular scale. In this paper, an analysis of the actual importance of these techniques as well as some of their recent characterization and analytical achievements are discussed. Finally, in view of its enormous progress and large potential in the study and understanding of physical and chemical processes at the nanoscale, future challenges and perspectives are underlined. |
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