Rare-earth-ion-doped CaI2 microcrystalline glass and preparation method thereof
A technology of glass-ceramics and rare-earth ions, which is applied in rare-earth ion-doped CaI2 glass-ceramics and its preparation field, can solve problems such as difficulty in growing large-sized crystals, poor mechanical properties, and easy deliquescence of crystals, and achieve superior scintillation performance, Good mechanical properties and good permeability
Inactive Publication Date: 2014-07-30
NINGBO UNIV
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Abstract
The invention discloses a rare-earth-ion-doped CaI2 microcrystalline glass and a preparation method thereof. The microcrystalline glass is composed of the following components in percentage by mole: 50-60 mol% of P2O5, 10-14 mol% of BaF2, 5-13 mol% of NaF, 5-10 mol% of CaO, 15-20 mol% of CaI2 and 1-4 mol% of rare-earth iodide. The rare-earth iodide is EuI2, CeI3 or TbI3. The preparation method comprises the following steps: preparing P2O5-BaF2-NaF-CaO-CaI2-LnI2 or P2O5-BaF2-NaF-CaO-CaI2-LnI3 glass by a fusion process, and carrying out heat treatment to obtain the transparent CaI2 microcrystalline glass. The CaI2 microcrystalline glass has the advantages of deliquescence resistance, favorable mechanical properties, higher short-wavelength blue-violet light transmission rate, high flare light emission output, favorable energy resolution and the like. The preparation method of the microcrystalline glass is simple and lower in production cost.
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IodideViolet light +7
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