CSIR Central

Sonochemical synthesis of nanocrystalline rare earth orthoferrites using Fe(CO)5 precursor

IR@CGCRI: CSIR-Central Glass and Ceramic Research Institute, Kolkata

View Archive Info
 
 
Field Value
 
Title Sonochemical synthesis of nanocrystalline rare earth orthoferrites using Fe(CO)5 precursor
 
Creator Sivakumar, M
Gedanken, A
Bhattacharya, D
Brukental, II
Yeshurun, Y
Zhong, W
Duy, W
Felner, I
Nowik, I
 
Subject Electronics
 
Description This paper describes, for the first time, a simple sonochemical method for the synthesis of nanoparticles of a series of rare earth orthoferrites. This sonochemical process is enabling synthesis of nanoparticles of the rare earth orthoferrites at a substantially lower calcination temperature by using simple precursors, iron pentacarbonyl and rare earth carbonates. It is particularly noteworthy that the cogeneration of the garnet phase has not been observed, as is usual with the conventional methods. The drastic reduction in the calcination temperature could be due to the ultrasonic generation of amorphous iron oxide from Fe(CO)5. Nanosized GdFeO3, ErFeO3, TbFeO3, and EuFeO3 were prepared by this method and their magnetic properties were also studied in detail.
 
Date 2004
 
Type Article
PeerReviewed
 
Format application/pdf
 
Identifier http://cgcri.csircentral.net/575/1/Chem_Mater_16_(16)_3623%2D3632.pdf
Sivakumar, M and Gedanken, A and Bhattacharya, D and Brukental, II and Yeshurun, Y and Zhong, W and Duy, W and Felner, I and Nowik, I (2004) Sonochemical synthesis of nanocrystalline rare earth orthoferrites using Fe(CO)5 precursor. Chemistry of Materials, 16 (19). pp. 3623-3632. ISSN 0897-4756
 
Relation http://cgcri.csircentral.net/575/