Method for the synthesis of y-FE203

Patent Status: 

Patent Granted

Indian Patent Applicaton No: 

523/DEL/2001

Grant: 

230364

Date Filed: 

27.04.2001

Date Granted: 

26.02.2009

Department: 

Patent Category: 

Overview: 

A line based image matching method for retrieving a model image indexed by similar shape describers to a query image from an image database indexed by line based shape describers.

Key Features: 

  • Technologically important gamma Fe203 is prepared by a furnace less, one step process, employing microwaves in unison with the principle of self catalyzed combustion reaction.
  • The novel method emphasizes the selective isolation of the gamma phase against the alpha phase by a judicious choice of the reactant mixture and control of processing conditions.
  • Successful doping of Co ions in gamma Iron oxide is also achieved up to 10% with indication of no impurity phase.
  • The method uses microwave radiation and inorganic precursors accompanied by the rapidness of the product formation which modifies the surface and magnetization properties.

Applications: 

  • Useful for magnetic recording and storage industry.
  • Biomedical applications such as malignant hyperthermia treatments.

 

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