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Mt. Iide over Niigata, Yamagata and Fukushima prefectures is known as a rich mine for silica sand. In this study, we adopted natural resource (silica sand from Mt. Iide, Osodani area) as a starting material for the synthesis of akermanite type long-persistent phosphor Sr_2MgSi_2O_7: Eu^\u003c2+\u003e, Dy^\u003c3+\u003e. The silica sand derived (Sr_0.98Eu_0.01Dy_0.01)_2MgSi_2O_7 showed long afterglow phenomena. Therefore, the silica sand can be potentially used in preparing silicate phosphors.", "subitem_description_type": "Abstract"}]}, "item_5_full_name_3": {"attribute_name": "\u8457\u8005\u5225\u540d", "attribute_value_mlt": [{"nameIdentifiers": [{"nameIdentifier": "43819", "nameIdentifierScheme": "WEKO"}], "names": [{"name": "Nonogawa, Takashi"}]}, {"nameIdentifiers": [{"nameIdentifier": "43820", "nameIdentifierScheme": "WEKO"}], "names": [{"name": "Imanari, Yu-ichiro"}]}, {"nameIdentifiers": [{"nameIdentifier": "43821", "nameIdentifierScheme": "WEKO"}], "names": [{"name": "Toda, Kenji"}]}, {"nameIdentifiers": [{"nameIdentifier": "43822", "nameIdentifierScheme": "WEKO"}], "names": [{"name": "Shirakura, Shigeki"}]}, {"nameIdentifiers": [{"nameIdentifier": "43823", "nameIdentifierScheme": "WEKO"}], "names": [{"name": "Uematsu, Kazuyoshi"}]}, {"nameIdentifiers": [{"nameIdentifier": "43824", "nameIdentifierScheme": "WEKO"}], "names": [{"name": "Sato, Mineo"}]}, {"nameIdentifiers": [{"nameIdentifier": "43825", "nameIdentifierScheme": "WEKO"}], "names": [{"name": "Toda, Ayano"}]}, {"nameIdentifiers": [{"nameIdentifier": "43826", "nameIdentifierScheme": "WEKO"}], "names": [{"name": "Nishisu, Yoshihiro"}]}, {"nameIdentifiers": [{"nameIdentifier": "43827", "nameIdentifierScheme": "WEKO"}], "names": [{"name": "Kobayashi, Mikio"}]}]}, "item_5_publisher_7": {"attribute_name": "\u51fa\u7248\u8005", "attribute_value_mlt": [{"subitem_publisher": "\u65e5\u672c\u30bb\u30e9\u30df\u30c3\u30af\u30b9\u5354\u4f1a"}]}, "item_5_select_19": {"attribute_name": "\u8457\u8005\u7248\u30d5\u30e9\u30b0", "attribute_value_mlt": [{"subitem_select_item": "publisher"}]}, "item_5_source_id_11": {"attribute_name": "\u66f8\u8a8c\u30ec\u30b3\u30fc\u30c9ID", "attribute_value_mlt": [{"subitem_source_identifier": "AN10040326", "subitem_source_identifier_type": "NCID"}]}, "item_5_source_id_9": {"attribute_name": "ISSN", "attribute_value_mlt": [{"subitem_source_identifier": "09145400", "subitem_source_identifier_type": "ISSN"}]}, "item_creator": {"attribute_name": "\u8457\u8005", "attribute_type": "creator", "attribute_value_mlt": [{"creatorNames": [{"creatorName": "\u91ce\u3005\u5ddd, \u8cb4\u5fd7"}], "nameIdentifiers": [{"nameIdentifier": "43810", "nameIdentifierScheme": "WEKO"}]}, {"creatorNames": [{"creatorName": "\u4eca\u6210, \u88d5\u4e00\u90ce"}], "nameIdentifiers": [{"nameIdentifier": "43811", "nameIdentifierScheme": "WEKO"}]}, {"creatorNames": [{"creatorName": "\u6238\u7530, \u5065\u53f8"}], "nameIdentifiers": [{"nameIdentifier": "43812", "nameIdentifierScheme": "WEKO"}]}, {"creatorNames": [{"creatorName": "\u767d\u5009, \u91cd\u6a39"}], "nameIdentifiers": [{"nameIdentifier": "43813", "nameIdentifierScheme": "WEKO"}]}, {"creatorNames": [{"creatorName": "\u4e0a\u677e, \u548c\u7fa9"}], "nameIdentifiers": [{"nameIdentifier": "43814", "nameIdentifierScheme": "WEKO"}]}, {"creatorNames": [{"creatorName": "\u4f50\u85e4, \u5cf0\u592b"}], "nameIdentifiers": 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