Ionizing Radiation Sensor Utilizing Radiophotoluminescence in Ag+-Activated Phosphate Glass and Its Application to Environmental Radiation Monitoring

1Oarai Research Center, Chiyoda Technol Corporation, 3681 Narita-cho, Oarai-machi, Higashi-ibaraki-gun, Ibaraki 311-1313, Japan 2Advanced Materials. Science Research and Development Center, Kanazawa Institute of Technology, 3-1 Yatsukaho, Hakusann-shi, Ishikawa 924-0838, Japan 3Nature Science, Kanazawa University, Kakuma-cho, Kanazawa, Ishikawa 920-1192, Japan 4Division of Advanced Crystal Materials, Tohoku University, Katahira, Sendai, Miyagi 980-0557, Japan 5Department of Materials Chemistry, Graduate School of Engineering, Kyoto University, A3-119 Katsura, Kyoto-University, Nishikyo-ku, Kyoto-shi, Kyoto 615-8510, Japan