Effect of dopants` concentration on high-dose high-temperature thermoluminescence of LiF:Mg,Cu,P detectors: Mg and Cu influence

TL;DR

This study investigates how varying dopant concentrations in LiF:Mg,Cu,P detectors affect their high-dose, high-temperature thermoluminescence, revealing the roles of Mg, Cu, and P in the TL emission mechanism.

Contribution

It provides new insights into the influence of Mg, Cu, and P concentrations on high-dose TL properties of LiF:Mg,Cu,P detectors, especially regarding the peak `B` emission.

Findings

Mg and Cu are essential for high-dose TL signal

Phosphorus concentration significantly affects high-dose TL features

Dopant concentration changes alter TL response after high electron doses

Abstract

In search of origin and mechanism of the high-dose high-temperature TL emission with presence of the peak `B` about thirty batches of LiF:Mg,Cu,P detectors with different dopants` concentration were produced and comprehensive studies of their high-dose TL features have been performed. Within each step of the research, these characteristics were compared with the high-dose TL properties of the typical MCP-N detectors` batch highly exposed simultaneously with the detectors from batches of varying dopants concentration. We determined the effect of concentration of specific dopants on the TL peak `B`. It was found that both magnesium and copper are necessary to obtain high-dose TL signal, however, the important for high-dose TL features seems to be also concentration of phosphorus. In the framework of this study we present results of magnesium and copper concentration changes to the TL signal after high-doses of electron radiation.