BaO-SiO_2-B_2O_3-TiO_2系统玻璃结构X射线光电子能谱和核磁共振  

X-ray photoelectron spectroscopy and nuclear magnetic resonance on BaOSiO_2B_2O_3TiO_2 glasses

作　　者：宋晓岚 屈一新[1,2,3] 许超 蒋明慧[1,2,3] 

机构地区：[1]湖南省轻工业高等专科学校轻化系 [2]北京化工大学化学工程学院 [3]武汉工业大学材料科学与工程系

出　　处：《北京化工大学学报（自然科学版）》1998年第1期6-11,共6页Journal of Beijing University of Chemical Technology(Natural Science Edition)

摘　　要：利用Ｘ射线光电子能谱（ＸＰＳ）和核磁共振（ＮＭＲ）研究了ＢａＯＳｉＯ２Ｂ２Ｏ３ＴｉＯ２系统玻璃。结果表明该系统玻璃中Ｔｉ４＋的配位数以［ＴｉＯ４］为主。根据其Ｔｉ２ｐ电子结合能值的变化可认为：随ＴｉＯ２含量的增加，［ＴｉＯ４］有向［ＴｉＯ６］转变的趋势。这种转变发生在ＴｉＯ２摩尔分数约为２０％处。ＮＭＲ研究结果显示玻璃样品中，随ＴｉＯ２和Ｂ２Ｏ３含量的增加四配位硼所占的比例Ｎ４值下降，且玻璃中Ｔｉ４＋形成四配位的能力大于Ｂ３＋。BaOSiO_2B_2O_3TiO_2 glasses were experimentally studied by XPS and NMR. The results showed that the Ti~4+ mainly existed in the .[TiO4] had the tendency to change to　 when the mole content of TiO_2 increased to about 20%, according to the altering of binding energy value of Ti2p. NMR results also showed that the proportion of four coordination number boron decreased due to the increasing of TiO_2 and B_2O_3 content; and the ability of Ti^4+ to form four coordination number was stronger than that of B^3+ in the glasses.

关 键 词：钛钡硼 硅酸盐玻璃 玻璃 结构 钡 硼 XPS NMR 

分 类 号：TQ171.719[化学工程—玻璃工业]