Thermoluminescence

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High Quality Content by WIKIPEDIA articles! Thermoluminescence is a form of luminescence that is exhibited by certain crystalline materials, such as some minerals, when previously absorbed energy from electromagnetic radiation or other ionizing radiation is re-emitted as light upon heating of the material. The phenomenon is distinct from that of black body radiation.High energy radiation creates electronic excited states in crystalline materials. In some materials, these states are trapped, or arrested, for extended periods of time by localized defects, or imperfections, in the lattice interrupting the normal intermolecular or inter-atomic interactions in the crystal lattice. Quantum-mechanically, these states are stationary states which have no formal time dependence; however, they are not stable energetically. Heating the material enables the trapped states to interact with phonons, i.e. lattice vibrations, to rapidly decay into lower-energy states, causing the emission of photons in the process.

Weitere Informationen

  • Allgemeine Informationen
    • GTIN 09786131015458
    • Editor Lambert M. Surhone, Miriam T. Timpledon, Susan F. Marseken
    • Genre Physik & Astronomie
    • EAN 9786131015458
    • Format Fachbuch
    • Titel Thermoluminescence
    • Herausgeber Betascript Publishing
    • Anzahl Seiten 100

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