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Related Experiment Video

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New algorithm for analyzing phosphorescence curves: Its application to the K2YF5:Pr compound.

F Ortega1, J Marcazzó2, F Spano3

  • 1Facultad de Ingeniería - CIFICEN (CONICET - UNCPBA), Av. del Valle 5737, 7400 Olavarría, Argentina.

Applied Radiation and Isotopes : Including Data, Instrumentation and Methods for Use in Agriculture, Industry and Medicine
|March 22, 2017
PubMed
Summary
This summary is machine-generated.

Analyzing phosphorescence curves offers a new method for understanding thermoluminescence materials. This study introduces a novel algorithm to accurately determine trap and recombination center parameters without approximations.

Keywords:
Curve analysisPhosphorescenceTrap parameters

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Area of Science:

  • Solid State Physics
  • Materials Science
  • Luminescence

Background:

  • Thermoluminescence (TL) materials are crucial for radiation detection and dosimetry.
  • Glow curve analysis is a common method to characterize trap and recombination centers in TL materials.
  • Phosphorescence analysis presents an alternative approach to glow curve analysis.

Purpose of the Study:

  • To develop and present a new algorithm for analyzing phosphorescence curves.
  • To accurately determine parameters of trap and recombination centers in thermoluminescence materials.
  • To apply the new algorithm to a specific material, K2YF5:Pr.

Main Methods:

  • Derivation of a new algorithm from coupled differential equations governing carrier traffic.
  • Analysis of phosphorescence curves without employing approximations.
  • Application of the algorithm to experimental phosphorescence data of K2YF5:Pr.

Main Results:

  • A novel, approximation-free algorithm for phosphorescence curve analysis has been successfully developed.
  • The algorithm enables precise determination of parameters for trap and recombination centers.
  • The method was validated through its application to the K2YF5:Pr compound.

Conclusions:

  • Phosphorescence curve analysis is a viable and accurate alternative to glow curve analysis.
  • The new algorithm provides a robust tool for characterizing thermoluminescence materials.
  • This work advances the understanding and application of K2YF5:Pr and similar materials.