Development of Eu-doped Sr2MgSi2O7 single crystalline scintillators

被引：7

作者：

Igashira, Kenta ^{[1
]}

Nakauchi, Daisuke ^{[1
]}

Ogawa, Taiki ^{[1
]}

Kato, Takumi ^{[1
]}

Kawaguchi, Noriaki ^{[1
]}

Yanagida, Takayuki ^{[1
]}

机构：

[1] Nara Inst Sci & Technol NAIST, Div Mat Sci, 8916-5 Takayama, Nara 6300192, Japan

来源：

OPTICAL MATERIALS | 2020年 / 109卷

关键词：

Scintillator; Single crystal; Melilite; Europium; Floating zone method; Photoluminescence; PERSISTENT LUMINESCENCE; OPTICAL-PROPERTIES; PHOSPHORS; ENHANCEMENT; CZOCHRALSKI; CE;

D O I：

10.1016/j.optmat.2020.110270

中图分类号：

T [工业技术];

学科分类号：

08 ;

摘要：

Undoped and Eu-doped Sr2MgSi2O7 single crystals were synthesized using the optical Floating Zone method, and the photoluminescence and scintillation properties were evaluated. A broad emission band at 470 nm is observed in the Eu-doped samples in photoluminescence and scintillation spectra. The decay curves demonstrate that it is due to the 5d-4f transition of Eu2+. The 2.0% and 5.0% Eu-doped samples show the highest scintillation light yield of 10,400 ph/MeV under gamma-rays irradiation from Co-57, and the best afterglow level of 50 ppm among the present samples, respectively.

引用

页数：6

共 38 条

[1] Persistent luminescence and synchrotron radiation study of the Ca2MgSi2O7: Eu2+ ,R3+ materials [J].

Aitasalo, T. ;

Holsa, J. ;

Kirm, M. ;

Laamanen, T. ;

Lastusaari, M. ;

Niittykoski, J. ;

Raud, J. ;

Valtonen, R. .

RADIATION MEASUREMENTS, 2007, 42 (4-5) :644-647

[2] Titanium distribution profiles obtained by luminescence and LIBS measurements on Ti: Al2O3 grown by Czochralski and Kyropoulos techniques [J].

Alombert-Goget, Guillaume ;

Trichard, Florian ;

Li, Hui ;

Pezzani, Cyril ;

Silvestre, Maud ;

Barthalay, Nicolas ;

Motto-Ros, Vincent ;

Lebbou, Kheirreddine .

OPTICAL MATERIALS, 2017, 65 :28-32

[3] Level location and spectroscopy of Ce3+, Pr3+, Er3+, and Eu2+ in LaBr3 [J].

Dorenbos, P ;

van Loef, EVD ;

Vink, AP ;

van der Kolk, E ;

van Eijk, CWE ;

Krämer, KW ;

Güdel, HU ;

Higgins, WM ;

Shah, KS .

JOURNAL OF LUMINESCENCE, 2006, 117 (02) :147-155

[4] Latest developments of bulk crystals and thin films of rare-earth doped CaF2 for laser applications [J].

Doualan, J. L. ;

Camy, P. ;

Moncorge, R. ;

Daran, E. ;

Couchaud, M. ;

Ferrand, B. .

JOURNAL OF FLUORINE CHEMISTRY, 2007, 128 (04) :459-464

[5] Crystal Structures and Magnetic Properties of New Europium Melilites Eu2MSi2O7 (M = Mg, Mn) and Their Strontium Analogues [J].

Endo, Takashi ;

Doi, Yoshihiro ;

Wakeshima, Makoto ;

Hinatsu, Yukio .

INORGANIC CHEMISTRY, 2010, 49 (23) :10809-10814

[6] Luminescent properties of Sr2MgSi2O7 and Ca2MgSi2O7 long lasting phosphors activated by Eu2+, Dy3+ [J].

Fei, Q ;

Chang, CK ;

Mao, DL .

JOURNAL OF ALLOYS AND COMPOUNDS, 2005, 390 (1-2) :133-137

[7] New Developments in Scintillators for Security Applications [J].

Glodo, Jarek ;

Wang, Yimin ;

Shawgo, Ryan ;

Brecher, Charles ;

Hawrami, Rastgo H. ;

Tower, Joshua ;

Shah, Kanai S. .

CONFERENCE ON THE APPLICATION OF ACCELERATORS IN RESEARCH AND INDUSTRY (CAARI 2016), 2017, 90 :285-290

[8] A MEASUREMENT OF THE LIGHT YIELD OF COMMON INORGANIC SCINTILLATORS [J].

HOLL, I ;

LORENZ, E ;

MAGERAS, G .

IEEE TRANSACTIONS ON NUCLEAR SCIENCE, 1988, 35 (01) :105-109

[9] Electronic structure of the Sr2MgSi2O7:Eu2+ persistent luminescence material [J].

Holsa, Jorma ;

Kirm, Marco ;

Laamanen, Taneli ;

Lastusaari, Mika ;

Niittykoski, Janne ;

Novak, Pavel .

JOURNAL OF LUMINESCENCE, 2009, 129 (12) :1560-1563

[10] Ce-concentration dependence in CaYAl3O7 single crystalline scintillators [J].

Igashira, Kenta ;

Nakauchi, Daisuke ;

Fujimoto, Yutaka ;

Kato, Takumi ;

Kawaguchi, Noriaki ;

Yanagida, Takayuki .

OPTICAL MATERIALS, 2020, 102

← 1 2 3 4 →