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Title: Thermomagnetic behaviour of Gd substituted ferrite magnetic fluids*
Authors: Upadhyay, Trupti
Parekh, Kinnari
Issue Date: Apr-2002
Publisher: NISCAIR-CSIR, India
Abstract: Gd substituted Mn-Zn (50%) ferrite magnetic fluids have been synthesized to achieve a high value of pyromagnetic coefficient. Thermo-magnetic behaviour of the fluids are studied with the temperature, field and different concentrations of Gd. The results indicate that the substitution of Gd (2.5%) increases the particle size without altering its magnetic moment while on further addition of Gd (5%) will increase the magnetic moment with the same particle size. It is also observed that Gd (5%) substituted sample has higher value of pyromagnetic coefficient compared to that of the parent system Mn-Zn (50%) ferrite and Gel (2.5%) substituted ferrite.
Page(s): 282-289
ISSN: 0975-1041 (Online); 0019-5596 (Print)
Appears in Collections:IJPAP Vol.40(04) [April 2002]

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