The initial rise method extended to multiple trapping levels in thermoluminescent materials

Area of Science:

• Solid State Physics
• Materials Science
• Analytical Chemistry

Background:

• The Initial Rise (IR) method is standard for determining activation energy in phosphors with single thermoluminescence glow peaks.
• Complex glow curves, featuring wide peaks and multiple shoulders, indicate multiple trapping levels, complicating traditional IR method application.
• Thermoluminescent analysis of materials with intricate glow curve structures requires advanced methodologies.

Purpose of the Study:

• To extend the applicability of the Initial Rise (IR) method to thermoluminescence glow curves with multiple trapping levels.
• To demonstrate that the IR method can be effectively used for complex glow curve structures.
• To investigate the thermoluminescent properties of minerals from Nopal cactus and Oregano spices.

Main Methods:

• Adaptation and application of the Initial Rise (IR) method to analyze complex glow curve structures.
• Thermoluminescent analysis of minerals extracted from Nopal cactus and Oregano spices.
• Identification of multiple trapping levels within the analyzed mineral samples.

Main Results:

• The study successfully extended the Initial Rise (IR) method to analyze complex thermoluminescence glow curves.
• The IR method was validated for calculating activation energy even in the presence of multiple trapping levels.
• Thermoluminescent analysis of Nopal cactus and Oregano spice minerals revealed complex trap distributions.

Conclusions:

• The Initial Rise (IR) method can be reliably applied to thermoluminescence glow curves exhibiting multiple trapping levels.
• The findings open new avenues for analyzing complex thermoluminescent materials.
• Minerals from Nopal cactus and Oregano spices possess intricate thermoluminescent properties suitable for IR method extension.