论文信息 - A New Promising X-Ray Storage Phosphor BaBrCl:Eu2+

A New Promising X-Ray Storage Phosphor BaBrCl:Eu2+

Abstract Photostimulated luminescence was observed in X-ray irradiated BaBrCl doped with Eu 2+ . It shows an emission band that peak at 413 nm, and two difference absorption spectra (DAS) bands that peak at ∼550 nm and 675 nm respectively. The stimulation energy is lower than that of BaFX:Eu 2+ (X = Cl, Br), and matches the cheaper, more portable, and more convenient semiconductor laser better. The results indicate that BaBrCl:Eu 2+ shows positive potential as a promising X-ray storage phosphor for practical utilization.

[1] Y. Amemiya. [16] X-Ray storage-phosphor imaging-plate detectors: High-sensitivity X-ray area detector. , 1997, Methods in enzymology.

[2] J. Miyahara,et al. Photostimulated Luminescence (PSL) and Color Centers in BaFX : Eu2 + ( X = Cl , Br , I ) Phosphors , 1985 .

[3] S. Schweizer,et al. Photostimulated luminescence process in the x-ray storage phosphor CsBr:Ga+ , 2000 .

[4] C. Xia,et al. BaLiF3(Eu2+) : A promising X-ray storage phosphor , 1997 .

[5] J. Spaeth,et al. Recent developments in X-ray storage phosphor materials , 2001 .

[6] Time-dependent PSL studies on CsBrCl:Eu2+: a promising image screen phosphor , 2005 .

[7] Grant V. M. Williams,et al. Photostimulated luminescence from fluorochlorozirconate glass ceramics and the effect of crystallite size , 2005 .

[8] S. L. Westcott,et al. Structure and luminescence of BaFBr:Eu2+ and BaFBr:Eu2+, Tb3+ phosphors and thin films , 2005 .

[9] S. Schweizer,et al. Optical properties of a high-efficiency glass ceramic X-ray storage phosphor , 2004 .

[10] E. Hodorowicz,et al. Preparation and characterization of the system BaBrxCl2−x: The structure of BaBrCl , 1983 .

[11] Wang Yongsheng,et al. Optical storage studies on the trapping states of BaFCl:Eu2+ , 2003 .

[12] Yongsheng Wang,et al. Colour Centres and Energy Transfer in BaF2-xClx:Eu2+ Phosphors , 2006 .