Iron nanoparticles in copper matrix prepared by sol-gel route

Chatterjee, A. ; Datta, A. ; Giri, Anit K. ; Das, D. ; Chakravorty, D.

[S.l.] : American Institute of Physics (AIP)
Published 1992
ISSN:
1089-7550
Source:
AIP Digital Archive
Topics:
Physics
Notes:
Iron particles having diameters around 8 nm and loosely packed with nanosized copper particles have been prepared by a sol-gel route. The samples exhibit coercivities in the range 200 to 500 Oe that are typical of single-domain iron grains. The Mössbauer spectrum is consistent with the presence of α-Fe particles in the system. However, a finite value of the isomer shift is obtained that is ascribed to possible electron transfer between the iron atoms and the surrounding copper matrix.
Type of Medium:
Electronic Resource
URL: