Synthesis, crystal structure and luminescent properties of titanium(IV)-doped calcium borostannates, CaSn1-xTix(BO3)2

Tetsuya Kawano; Hisanori Yamane

doi:10.1016/j.jallcom.2009.10.034

Synthesis, crystal structure and luminescent properties of titanium(IV)-doped calcium borostannates, CaSn_1-xTi_x(BO₃)₂

Tetsuya Kawano, Hisanori Yamane

Research output: Contribution to journal › Article › peer-review

13 Citations (Scopus)

Abstract

Compounds in the CaO-B₂O₃-SnO₂ system were prepared by solid-state reaction at 700-1100 °C in air. The phase relations in this system were investigated by powder X-ray diffraction (XRD). A previously reported calcium borostannnate, CaSn(BO₃)₂ (rhombohedral, R over(3, -) (No. 148), Z = 3, a = 4.85872(3), c = 16.07750(11) Å), was synthesized in this system. Titanium(IV)-doped solid solutions, CaSn_1-xTi_x(BO₃)₂ (0 < x < 0.30), were prepared, and their cell parameters were refined by the Rietveld method. A broad blue-green emission at 489 nm was observed in the photoluminescence (PL) spectra of CaSn_1-xTi_x(BO₃)₂. The maximum emission intensity was measured for CaSn_0.99Ti_0.01(BO₃)₂. The PL excitation peak of CaSn_0.99Ti_0.01(BO₃)₂ was observed at 263 nm (4.71 eV).

Original language	English
Pages (from-to)	443-447
Number of pages	5
Journal	Journal of Alloys and Compounds
Volume	490
Issue number	1-2
DOIs	https://doi.org/10.1016/j.jallcom.2009.10.034
Publication status	Published - 2010 Feb 4

Keywords

Crystal structure
Phase relation
Photoluminescence
Powder X-ray diffraction
Solid-state reaction
Titanium(IV)-doped calcium borostannates

ASJC Scopus subject areas

Mechanics of Materials
Mechanical Engineering
Metals and Alloys
Materials Chemistry

Access to Document

10.1016/j.jallcom.2009.10.034

Cite this

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title = "Synthesis, crystal structure and luminescent properties of titanium(IV)-doped calcium borostannates, CaSn1-xTix(BO3)2",

abstract = "Compounds in the CaO-B2O3-SnO2 system were prepared by solid-state reaction at 700-1100 °C in air. The phase relations in this system were investigated by powder X-ray diffraction (XRD). A previously reported calcium borostannnate, CaSn(BO3)2 (rhombohedral, R over(3, -) (No. 148), Z = 3, a = 4.85872(3), c = 16.07750(11) {\AA}), was synthesized in this system. Titanium(IV)-doped solid solutions, CaSn1-xTix(BO3)2 (0 < x < 0.30), were prepared, and their cell parameters were refined by the Rietveld method. A broad blue-green emission at 489 nm was observed in the photoluminescence (PL) spectra of CaSn1-xTix(BO3)2. The maximum emission intensity was measured for CaSn0.99Ti0.01(BO3)2. The PL excitation peak of CaSn0.99Ti0.01(BO3)2 was observed at 263 nm (4.71 eV).",

keywords = "Crystal structure, Phase relation, Photoluminescence, Powder X-ray diffraction, Solid-state reaction, Titanium(IV)-doped calcium borostannates",

author = "Tetsuya Kawano and Hisanori Yamane",

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AU - Kawano, Tetsuya

AU - Yamane, Hisanori

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N2 - Compounds in the CaO-B2O3-SnO2 system were prepared by solid-state reaction at 700-1100 °C in air. The phase relations in this system were investigated by powder X-ray diffraction (XRD). A previously reported calcium borostannnate, CaSn(BO3)2 (rhombohedral, R over(3, -) (No. 148), Z = 3, a = 4.85872(3), c = 16.07750(11) Å), was synthesized in this system. Titanium(IV)-doped solid solutions, CaSn1-xTix(BO3)2 (0 < x < 0.30), were prepared, and their cell parameters were refined by the Rietveld method. A broad blue-green emission at 489 nm was observed in the photoluminescence (PL) spectra of CaSn1-xTix(BO3)2. The maximum emission intensity was measured for CaSn0.99Ti0.01(BO3)2. The PL excitation peak of CaSn0.99Ti0.01(BO3)2 was observed at 263 nm (4.71 eV).

AB - Compounds in the CaO-B2O3-SnO2 system were prepared by solid-state reaction at 700-1100 °C in air. The phase relations in this system were investigated by powder X-ray diffraction (XRD). A previously reported calcium borostannnate, CaSn(BO3)2 (rhombohedral, R over(3, -) (No. 148), Z = 3, a = 4.85872(3), c = 16.07750(11) Å), was synthesized in this system. Titanium(IV)-doped solid solutions, CaSn1-xTix(BO3)2 (0 < x < 0.30), were prepared, and their cell parameters were refined by the Rietveld method. A broad blue-green emission at 489 nm was observed in the photoluminescence (PL) spectra of CaSn1-xTix(BO3)2. The maximum emission intensity was measured for CaSn0.99Ti0.01(BO3)2. The PL excitation peak of CaSn0.99Ti0.01(BO3)2 was observed at 263 nm (4.71 eV).

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