TY - JOUR
T1 - Analysis of radiophotoluminescence center formation mechanism in Ag-doped phosphate glasses
AU - Kawamoto, Hiroki
AU - Fujimoto, Yutaka
AU - Koshimizu, Masanori
AU - Okada, Go
AU - Yanagida, Takayuki
AU - Asai, Keisuke
N1 - Funding Information:
A part of this research is based on the Cooperative Research Project of Research Center for Biomedical Engineering, Ministry of Education, Culture, Sports, Science and Technology.
Publisher Copyright:
© 2018 The Japan Society of Applied Physics.
PY - 2018/6
Y1 - 2018/6
N2 - Ag-doped phosphate glasses have widely been used as radiophotoluminescence (RPL) dosimeters. However, the RPL center formation process is not fully understood. In this study, we investigated the RPL center formation process in Ag-doped Na-Al phosphate glasses. We observed that two RPL centers (Ag0 and Ag2+) were formed at temperatures higher than 100 and 250 K, respectively. In addition, activation energies of their formation were estimated to be 20 and 267meV, respectively. These results suggest that the electron transfer process is not a simple thermally activated process.
AB - Ag-doped phosphate glasses have widely been used as radiophotoluminescence (RPL) dosimeters. However, the RPL center formation process is not fully understood. In this study, we investigated the RPL center formation process in Ag-doped Na-Al phosphate glasses. We observed that two RPL centers (Ag0 and Ag2+) were formed at temperatures higher than 100 and 250 K, respectively. In addition, activation energies of their formation were estimated to be 20 and 267meV, respectively. These results suggest that the electron transfer process is not a simple thermally activated process.
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U2 - 10.7567/JJAP.57.062401
DO - 10.7567/JJAP.57.062401
M3 - Article
AN - SCOPUS:85047920299
SN - 0021-4922
VL - 57
JO - Japanese Journal of Applied Physics, Part 1: Regular Papers & Short Notes
JF - Japanese Journal of Applied Physics, Part 1: Regular Papers & Short Notes
IS - 6
M1 - 062401
ER -