Mössbauer study of the effect of Nb in Fe-based nanocrystalline alloy

Mössbauer study of the effect of Nb in Fe-based nanocrystalline alloy 1 corresp first-author E-mail: phy2@ecnu.edu.cn E-mail: phy2@ecnu.edu.cn phy2@ecnu.edu.cn 1 1 1 Department of Physics, East China Normal University, Shanghai 200062 Department of Physics, East China Normal University, Shanghai 200062 Microstructure of nanocrystalline alloys of Fe 73.5 Cu 1 Nb 3 Si 13.5 B 9 and (Fe 3 Si) 0.95 Nb 0.05 was investigated by Mossbauer spectroscopy. A Nb-rich interfacial layer with weak magnetism formed in the residual amorphous phase of these materials. It has an important effect on the exchange coupling and magnetic properties. Mössbauer spectroscopy Nanocrystalline alloys Residual amorphous phase Microstructure References Yang X L , Yang J X , Chen G et al . J Mag Mag Materials , 1997 , 175 : 285 J Mag Mag Materials Zeng L , Chen G , Gong F F , Wang Z C et al . J M M M , 2000 , 208 : 74 J M M M Yoshizawa Y , Yamauchi K . J Jpn Inst Metals , 1989 , 53 : 241 J Jpn Inst Metals Hino K , Hiraga K , Wang Q et al . Acta Metall Mater , 1992 , 40 ( 9 ): 2137 Acta Metall Mater Li X Q , Li I , Feng Z Y et al . Sci Bull (in Chinese) , 1996 , 41 ( 20 ): 1905 Sci Bull (in Chinese) Zhang Z Y , Nian S Z , Li X Q et al . Acta Metallurgica Sinica , 1995 , 31 ( 5 ): B212 Acta Metallurgica Sinica Li X Q , Yang X L et al . J M M M , 1995 , 145 : 125 J M M M O481.4 2000-08-10 2001-02-01 2021-02-05 2001 Nuclear Science and Techniques 1 12