Photoluminescence in fast-response Bi2Al4O9 and Bi2Ga409 oxide scintillators
β Scribed by V.V. Volkov; A.V. Egorysheva
- Publisher
- Elsevier Science
- Year
- 1996
- Tongue
- English
- Weight
- 418 KB
- Volume
- 5
- Category
- Article
- ISSN
- 0925-3467
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Pure and homogeneous single crystals of orthorhombic mullite-type Bi 2 M 4 O 9 (M = Al 3+ , Ga 3+ , Fe 3+ ), and a mixed Bi 2 Fe 1.7 Ga 2.3 O 9 crystal from an equimolar Ga/Fe composition were grown by the top seeded solution growth (TSSG) method. All these compounds melt incongruently in the range
The structure of Bi 2 Al 4 O 9 has been re5ned using a combination of X-ray and high-resolution neutron powder di4raction. Iterative simulation of the 27 Al MAS solid state NMR data con5rms the presence of two Al sites, one octahedral and one tetrahedral, in an approximate 1:1 ratio. The structure o
Series of Compositions Bi 2 (M' x M 1-x ) 4 O 9 (M', M: Al, Ga, Fe; 0 β€ x 1) with Mullite--Type Crystal Structure: Synthesis, Characterization and 18 O/ 16 O Exchange Experiment. -Bi2(GaxAl1-x)4O9, Bi2(FexAl1-x)4O9, and Bi2(FexGa1-x)4O9 (0 β€ x β€ 1) powders are prepared by dissolving the correspondin
Crystal Structures of New Alkali Metal-Rich Oxometallates: Rubidium Aluminate Tetrahydroxide, Rb9(AlO4)(OH)4, Rubidium Orthogallate, Rb5GaO4, Cesium bis-Chromate(IV) Oxide, Cs10(CrO4)2O, and Cesium Diindate, Cs8In2O7. -The crystal structures of several new alkali metal oxometallates are determined b