Please wait a minute...
金属学报  1986, Vol. 22 Issue (4): 136-137    
  论文 本期目录 | 过刊浏览 |
非晶态Fe_(38)Ni_(40)Mo_4B_(18)合金的正电子湮没
郁伟中;顾秉林;曹必松;冯平义;陈念贻
清华大学物理系;清华大学物理系;清华大学物理系;中国科学院上海冶金研究所;中国科学院上海冶金研究所
POSITRON ANNIHILATION IN Fe_(38)Ni_(40)Mo_4B_(18) GLASS
by YU Weizhong; GU Binglin; CAO Bisong (Department of Physics; Tsinghua University; Beijing); FENG Pingyi; CHEN Nianyi (Shanghai Institute of Metallurgy; Academia Siniea)
引用本文:

郁伟中;顾秉林;曹必松;冯平义;陈念贻. 非晶态Fe_(38)Ni_(40)Mo_4B_(18)合金的正电子湮没[J]. 金属学报, 1986, 22(4): 136-137.
, , , , . POSITRON ANNIHILATION IN Fe_(38)Ni_(40)Mo_4B_(18) GLASS[J]. Acta Metall Sin, 1986, 22(4): 136-137.

全文: PDF(148 KB)  
摘要: <正> 实验用非晶态Fe_(38)Ni_(40)Mo_4B_(18)合金系液态合金急冷法制得的薄带。将该合金在550℃,0.5h退火制得晶态样品。两种样品都经X射线衍射验证。 用滴在厚1.2μm镍箔上的~(22)Na作为正电子源,用多层合金样品迭合后再和源成夹层排列。应用快-快符合寿命谱仪,时间分辨率(FWHM)为290ps,在+138℃到-174℃温度区间测量正电子湮没寿命谱。每个寿命谱的累计计数为10~6。应用计算机程序POSITRONFIT处理寿命
Abstract:The positron life-time spectra in Fe_(38)Ni_(40)Mo_4B_(18) glass at different temperatures have been measured and the annihilation mechanism has been discussed.
收稿日期: 1986-04-18     
No related articles found!