Doped magnetic iron oxide particles and method of preparing the same

A doped magnetic iron oxide particle suitable for use in magnetic recording media, and methods of preparing the doped magnetic iron oxide particle, are disclosed. The doped magnetic iron oxide particle has the general formula: CoxFe+21-xFe2+3O4, wherein O

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1. Verfasser:	ALBENA V. BLAGEV
Format:	Patent
Sprache:	eng
Schlagworte:	CHEMISTRY COMPOUNDS CONTAINING METALS NOT COVERED BY SUBCLASSESC01D OR C01F INFORMATION STORAGE INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORDCARRIER AND TRANSDUCER INORGANIC CHEMISTRY METALLURGY PHYSICS
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creator	ALBENA V. BLAGEV
description	A doped magnetic iron oxide particle suitable for use in magnetic recording media, and methods of preparing the doped magnetic iron oxide particle, are disclosed. The doped magnetic iron oxide particle has the general formula: CoxFe+21-xFe2+3O4, wherein O
format	Patent
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The doped magnetic iron oxide particle has the general formula: CoxFe+21-xFe2+3O4, wherein O<x</=1, wherein essentially all of the cobalt(II) and iron(II) dopants are present in a shell surrounding a core of a magnetic iron oxide particle. 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BLAGEV</creatorcontrib><title>Doped magnetic iron oxide particles and method of preparing the same</title><description>A doped magnetic iron oxide particle suitable for use in magnetic recording media, and methods of preparing the doped magnetic iron oxide particle, are disclosed. The doped magnetic iron oxide particle has the general formula: CoxFe+21-xFe2+3O4, wherein O<x</=1, wherein essentially all of the cobalt(II) and iron(II) dopants are present in a shell surrounding a core of a magnetic iron oxide particle. The doped magnetic iron oxide particle has a narrow switching distribution, high squareness, high coercivity and high remanence.</description><subject>CHEMISTRY</subject><subject>COMPOUNDS CONTAINING METALS NOT COVERED BY SUBCLASSESC01D OR C01F</subject><subject>INFORMATION STORAGE</subject><subject>INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORDCARRIER AND TRANSDUCER</subject><subject>INORGANIC CHEMISTRY</subject><subject>METALLURGY</subject><subject>PHYSICS</subject><fulltext>true</fulltext><rsrctype>patent</rsrctype><creationdate>1996</creationdate><recordtype>patent</recordtype><sourceid>EVB</sourceid><recordid>eNrjZHBxyS9ITVHITUzPSy3JTFbILMrPU8ivyExJVShILAKK5KQWKyTmAVWklmTkpyjkpykUFKUCpTLz0hVKMlIVihNzU3kYWNMSc4pTeaE0N4O8m2uIs4duakF-fGpxQWJyKtD0eGc_Q0MjM1MjM0djwioAx_YxmQ</recordid><startdate>19960710</startdate><enddate>19960710</enddate><creator>ALBENA V. BLAGEV</creator><scope>EVB</scope></search><sort><creationdate>19960710</creationdate><title>Doped magnetic iron oxide particles and method of preparing the same</title><author>ALBENA V. BLAGEV</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-epo_espacenet_CN1126526A3</frbrgroupid><rsrctype>patents</rsrctype><prefilter>patents</prefilter><language>eng</language><creationdate>1996</creationdate><topic>CHEMISTRY</topic><topic>COMPOUNDS CONTAINING METALS NOT COVERED BY SUBCLASSESC01D OR C01F</topic><topic>INFORMATION STORAGE</topic><topic>INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORDCARRIER AND TRANSDUCER</topic><topic>INORGANIC CHEMISTRY</topic><topic>METALLURGY</topic><topic>PHYSICS</topic><toplevel>online_resources</toplevel><creatorcontrib>ALBENA V. BLAGEV</creatorcontrib><collection>esp@cenet</collection></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext_linktorsrc</fulltext></delivery><addata><au>ALBENA V. BLAGEV</au><format>patent</format><genre>patent</genre><ristype>GEN</ristype><title>Doped magnetic iron oxide particles and method of preparing the same</title><date>1996-07-10</date><risdate>1996</risdate><abstract>A doped magnetic iron oxide particle suitable for use in magnetic recording media, and methods of preparing the doped magnetic iron oxide particle, are disclosed. The doped magnetic iron oxide particle has the general formula: CoxFe+21-xFe2+3O4, wherein O<x</=1, wherein essentially all of the cobalt(II) and iron(II) dopants are present in a shell surrounding a core of a magnetic iron oxide particle. The doped magnetic iron oxide particle has a narrow switching distribution, high squareness, high coercivity and high remanence.</abstract><edition>6</edition><oa>free_for_read</oa></addata></record>
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subjects	CHEMISTRY COMPOUNDS CONTAINING METALS NOT COVERED BY SUBCLASSESC01D OR C01F INFORMATION STORAGE INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORDCARRIER AND TRANSDUCER INORGANIC CHEMISTRY METALLURGY PHYSICS
title	Doped magnetic iron oxide particles and method of preparing the same
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