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Time-Resolved Optically Stimulated Luminescence in Brazilian's amazonite

Grant number: 24/00890-0
Support Opportunities:Scholarships abroad - Research Internship - Scientific Initiation
Effective date (Start): April 01, 2024
Effective date (End): April 30, 2024
Field of knowledge:Engineering - Mining Engineering - Mineral Prospecting
Principal Investigator:Neilo Marcos Trindade
Grantee:Roberto Turibio Ebina Kawanaka Martins
Supervisor: Mayank Jain
Host Institution: Instituto de Física (IF). Universidade de São Paulo (USP). São Paulo , SP, Brazil
Research place: Technical University of Denmark (DTU), Denmark  
Associated to the scholarship:22/07200-4 - Characterization of the optical and thermoluminescent properties of amazonites., BP.IC

Abstract

Investigating the application of insulators in the luminescent dosimetry area involves exploring minerals using techniques such as Thermoluminescence (TL) and Optically StimulatedLuminescence (OSL). Among these minerals, feldspar - a group of aluminosilicate materials (MTO8, M = Ca, Na, K~ T = Al, Si), stands out for its potential application in the dosimetry and datation area. However, many mechanisms remain unknown or challenging to model. To study the recombination processes and trap lifetime, time-resolved OSL (TR-OSL) becomes crucial. This project aims to study of TR-OSL in amazonite crystals from Brazil, given their potential applications in retrospective dosimetry and dating. The Physics Research Division of Denmark Technical University (DTU) will support thisinvestigation.

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