Substrates comprising switchable ferromagnetic nanoparticles

The invention relates to a method for producing organic substrate particles bound to switchable ferromagnetic nanoparticles having a mean particle diameter in the range of 10 to 1000 nm, wherein nanoparticles that are at first not ferromagnetic but become ferromagnetic upon lowering of the temperatu...

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Bibliographic Details
Main Author BRUECK, EKKEHARD
Format Patent
LanguageEnglish
Published 20.08.2015
Subjects
ALLOYS
BASIC ELECTRIC ELEMENTS
CASTING
CHEMISTRY
ELECTRICITY
FERROUS OR NON-FERROUS ALLOYS
HUMAN NECESSITIES
HYGIENE
INDUCTANCES
MAGNETS
MAKING METALLIC POWDER
MANUFACTURE OF ARTICLES FROM METALLIC POWDER
MEDICAL OR VETERINARY SCIENCE
METALLURGY
PERFORMING OPERATIONS
POWDER METALLURGY
PREPARATIONS FOR MEDICAL, DENTAL, OR TOILET PURPOSES
SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
TRANSFORMERS
TRANSPORTING
TREATMENT OF ALLOYS OR NON-FERROUS METALS
WORKING METALLIC POWDER
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Summary:The invention relates to a method for producing organic substrate particles bound to switchable ferromagnetic nanoparticles having a mean particle diameter in the range of 10 to 1000 nm, wherein nanoparticles that are at first not ferromagnetic but become ferromagnetic upon lowering of the temperature are used, said at first non-ferromagnetic nanoparticles are bonded to the organic substrate particles in a dispersed form and subsequently the nanoparticles bonded to the substrate particles are made ferromagnetic by the lowering of temperature.
Bibliography:Application Number: AU20100297237