| Grant number: | 18/06328-1 |
| Support Opportunities: | Scholarships in Brazil - Scientific Initiation |
| Start date: | July 01, 2018 |
| End date: | October 31, 2022 |
| Field of knowledge: | Physical Sciences and Mathematics - Physics - Condensed Matter Physics |
| Principal Investigator: | Marcio Daldin Teodoro |
| Grantee: | Gabriel Marques Jacobsen |
| Host Institution: | Centro de Ciências Exatas e de Tecnologia (CCET). Universidade Federal de São Carlos (UFSCAR). São Carlos , SP, Brazil |
| Associated scholarship(s): | 21/10254-6 - Strain and spin dynamics approach in Ga(As)Sb quantum dot/well hybrid nanostructures, BE.EP.IC |
Abstract Among the several optical techniques used on materials analysis, one of the most used is called Raman spectroscopy. The Raman method consists on studying the inelastically scattered light by a specimen after its excitement through a light source, whose scattering may contain data about both structural and electronic parts of the structure. The main advantages of this procedure are the gathering of detailed information and optimization of work time. Cause of that, it has become a major instrument of science in various areas. Along the Raman technique, diverse optical systems manufacturers have been making use of the confocal microscopy technique as basics instrumentation. This tool enables the contrast increase and resolution enhancement in which are obtained tri-dimensional images using a circular opening (pinhole) that filter the beams of light arising from the sample, watching only rays in focus. However, for the majority of cases, there is a lack of systems that develops Raman investigations as function of external parameters, such as temperature, magnetic and electric field, etc.This project is dedicated to instrumentation of the Raman spectroscopy technique together with the confocal microscope in cryogenic environments and magnetic field appliance. These variables will be generated inside an ultra-low vibration helium closed cycle cryostat, gauging electronic parameters, beyond traditional measures obtained by Raman method. Certainly, the implementation of this modern optical technique will allow sophisticated studies of different types of material as a function of temperature and magnetic field, which already are on demand by our and other research groups. | |
| News published in Agência FAPESP Newsletter about the scholarship: | |
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