Developing a numerical simulation for fading in feldspar

Publication: Research - peer-reviewJournal article – Annual report year: 2009

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Most models describing anomalous fading in feldspars are based on analytical solutions. As an alternative approach we present an entirely numerical model based on statistical sampling that simulates stepwise the charge creation/trapping and recombination in a given phosphor. We assume the number density of electrons and holes at any time to be equal, although the model is not bound to that assumption. The model is flexible enough to be used on any combination of geological and laboratory timescales and for any defined configuration of defects. Using this approach we observed reorganization of nearest-neighbor distances with time. The best agreement with experimental data is achieved if we assume the crystal to consist of small subvolumes (nanocrystals) only within which charge carriers are allowed to recombine.
Original languageEnglish
JournalRadiation Measurements
Volume44
Issue number5-6
Pages (from-to)467-471
ISSN1350-4487
DOIs
StatePublished - 2009
Peer-reviewedYes

Conference

Conference12th International Conference on Luminescence and Electron Spin Resonance Dating
CountryChina
CityBeijing
Period18/09/200822/09/2008
CitationsWeb of Science® Times Cited: 10

Keywords

  • Radiation physics, Nuclear technologies
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