铁-磷-硼纳米金属玻璃的化学制备与穆斯堡尔研究

Chemical Preparation and Mossbauer Investigation of Iron-Phosphorus-Boron Nanometer Metglass

至今文献报道的纳米金属玻璃体系Fe—C和Fe—M—B（M=Co,Ni等）,分别是由Fe（CO）5在有机溶剂中的热分解和KBH4在水溶液中还原金属离子的方法制成。由于类金属元素的种类对金属玻璃性质至关重要,我们曾用化学还原法制备Fe-P-B纳米金属玻璃体系,并观察到由于加入磷而出现的电子辐照收缩效应。

By changing the initial pH value of the mixture solution of FeSO4·7H2O and NaH2PO2·H2O, Fe-P-B nanometer metglass with different concentrations of P and B was prepared by chemical reduction method. The content of P decreases and B content increases with increasing pH of the mixture solution. Mossbauer experimental results indicate that P and B can influence the magnetic moment of Fe atom to a certain extent, which could be well explained with electron-transfer model.