TRANSMISSION MOSSBAUER AND FTIR SPECTROSCOPIC STUDIES OF BINARY NICKEL(II)-IRON(III) HYDROXIDE SYSTEMS

被引：10
作者：
KAMNEV, AA
RISTIC, M
ANGELOV, V
机构：
[1] RUDJER BOSKOVIC INST,ZAGREB 41001,CROATIA
[2] UNIV SOFIA,DEPT ATOM PHYS,BU-1126 SOFIA,BULGARIA
来源：
JOURNAL OF MOLECULAR STRUCTURE | 1995年 / 349卷
关键词：
D O I：
10.1016/0022-2860(95)08713-6
中图分类号：
O64 [物理化学（理论化学）、化学物理学];
学科分类号：
070304 ; 081704 ;
摘要：
Transmission Mossbauer and Fourier transform infrared spectroscopic data obtained for binary nickel(II)-iron(III) hydroxide systems in a broad range of compositions (3 to 60 at. % Fe/(Ni+Fe)) are compared. Structural transformations of the samples and their surface layers are considered, depending on their bulk gross compositions. The formation of a nickel ferrite precursor is shown to be promoted in the crystallites surface layers even at much lower gross Fe-to-Ni ratios than that in NiFe2O4 owing to surface enrichment with iron, as confirmed by Auger electron spectroscopic analyses.
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页码：77 / 80
页数：4
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