TY - JOUR
T1 - Determination of the kinetic parameters of K2YF5:Tb from isothermal decay of thermoluminescence
AU - Azorín, J.
AU - Gallegos, A.
AU - Rivera, T.
AU - Azorín, J. C.
AU - Khaidukov, N.
PY - 2007/9/21
Y1 - 2007/9/21
N2 - Most of the existing methods for obtaining the frequency factors make use of the trap depth (activation energy) making assumptions about the order of the kinetics. This leads to inconsistencies in the reported values of trapping parameters as the values of the activation energy obtained by different methods differ appreciably among them. Then, it is necessary to employ a method independent of the trap depth as it is the case of the method that makes use of the isothermal decay of the thermoluminescence (TL). In this paper, the isothermal decay of TL was used to determine the trapping parameters of K2YF5:Tb. The results obtained by applying this method are in good agreement with those obtained using the glow curve shape method except in the value of the frequency factor.
AB - Most of the existing methods for obtaining the frequency factors make use of the trap depth (activation energy) making assumptions about the order of the kinetics. This leads to inconsistencies in the reported values of trapping parameters as the values of the activation energy obtained by different methods differ appreciably among them. Then, it is necessary to employ a method independent of the trap depth as it is the case of the method that makes use of the isothermal decay of the thermoluminescence (TL). In this paper, the isothermal decay of TL was used to determine the trapping parameters of K2YF5:Tb. The results obtained by applying this method are in good agreement with those obtained using the glow curve shape method except in the value of the frequency factor.
KW - Isothermal decay
KW - Kinetic parameters
KW - Thermoluminescence
UR - http://www.scopus.com/inward/record.url?scp=34548316380&partnerID=8YFLogxK
U2 - 10.1016/j.nima.2007.05.077
DO - 10.1016/j.nima.2007.05.077
M3 - Artículo
SN - 0168-9002
VL - 580
SP - 177
EP - 179
JO - Nuclear Instruments and Methods in Physics Research, Section A: Accelerators, Spectrometers, Detectors and Associated Equipment
JF - Nuclear Instruments and Methods in Physics Research, Section A: Accelerators, Spectrometers, Detectors and Associated Equipment
IS - 1 SPEC. ISS.
ER -