Photoluminescence of Eu2+ in BaF2-rich fluorohalides and photostimulation after X-ray irradiation

Es-Sakhi, B.; Garcia, Alain; Struye, L.; Willems, P.H.G.M.; Leblans, Paul; Moudden, Ali; Fouassier, C.

doi:10.1016/s0921-5107(02)00327-6

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2007

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Cited by 4 publications

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“…For x > 1.5, the only phases found were BaF 2 and BaFCl 1-y Br y . Es-Saski et al [7] equally reported this limit of bromide substitution in Ba 7 F 12 Cl 2-x Br x by solid state reaction.…”

Section: Synthesismentioning

confidence: 93%

Calcium-free Solid Solutions in the System Ba7F12Cl2−xBrx (x < 1.5), a Single-component White Phosphor Host

et al. 2007

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We have recently prepared solid solutions of Ba~6 .3 Ca~0 .7 F 12 Cl 2-x Br x with x ranging from 0 to 2. In this work, the synthesis and single crystal X-ray structure of calcium-free crystals of Ba~6 .9 Na~0 .2 F 12 Br 0.6 Cl 1.4 (space group P6 3 /m, a = 10.6024(10), c = 4.2034(4) Å), Ba~6 .9-Na~0 .2 F 12 Br 1.4 Cl 0.6 (space group P6 3 /m, a = 10.6155(9), c = 4.2355(4) Å) and Ba~6 .9 Na~0 .2 Br 1.32 Cl 0.68 F 12 (space group P6 3 /m, a = 10.6218(9), c = 4.2284(4) Å) are reported. These crystals systematically present additional electron density at the 0 0 0.25 position which is associated with the presence of small, but significant amounts of Na + ions in the crystal.

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“…For x > 1.5, the only phases found were BaF 2 and BaFCl 1-y Br y . Es-Saski et al [7] equally reported this limit of bromide substitution in Ba 7 F 12 Cl 2-x Br x by solid state reaction.…”

Section: Synthesismentioning

confidence: 93%