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Reducibility and magnetic properties of nanosized ZnO substituted Fe2O3/TiO2 system
Pure Fe 2 O 3 and TiO 2 powder were mixed in molar ratio and fired in a muffle furnace at 1200°C for 4 h. The Fe 2 TiO 5 compound formed was doped by replacing TiO 2 with calculated amounts of ZnO (ZnO fractions x=0·2, 0·4, 0·6, 0·8 and 1). The synthesised samples were characterised with X-ray diffr...
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| Published in: | Materials technology (New York, N.Y.) N.Y.), 2008-03, Vol.23 (1), p.39-44 |
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| Language: | English |
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| container_end_page | 44 |
| container_issue | 1 |
| container_start_page | 39 |
| container_title | Materials technology (New York, N.Y.) |
| container_volume | 23 |
| creator | Bahgat, M. Khedr, M. H. Abdelmaksoud, H. S. |
| description | Pure Fe
2
O
3
and TiO
2
powder were mixed in molar ratio and fired in a muffle furnace at 1200°C for 4 h. The Fe
2
TiO
5
compound formed was doped by replacing TiO
2
with calculated amounts of ZnO (ZnO fractions x=0·2, 0·4, 0·6, 0·8 and 1). The synthesised samples were characterised with X-ray diffraction (XRD) and their magnetic properties were measured using a vibrating sample magnetometer. Fe
2
TiO
5
, 2FeZnTiO
4
, Fe
2
ZnTi
3
O
10
, ZnTiO
3
and ZnFe
2
O
4
phases were detected with very low magnetic properties corresponding to dilute magnetic semiconductors. Reduction tests in hydrogen at 500°C showed the reducibility of the undoped compound to be very low and to increase gradually with increasing Zn content in the ferrite phase. The reduction process caused a pronounced change in the magnetic properties. |
| doi_str_mv | 10.1179/175355508X266854 |
| format | article |
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2
O
3
and TiO
2
powder were mixed in molar ratio and fired in a muffle furnace at 1200°C for 4 h. The Fe
2
TiO
5
compound formed was doped by replacing TiO
2
with calculated amounts of ZnO (ZnO fractions x=0·2, 0·4, 0·6, 0·8 and 1). The synthesised samples were characterised with X-ray diffraction (XRD) and their magnetic properties were measured using a vibrating sample magnetometer. Fe
2
TiO
5
, 2FeZnTiO
4
, Fe
2
ZnTi
3
O
10
, ZnTiO
3
and ZnFe
2
O
4
phases were detected with very low magnetic properties corresponding to dilute magnetic semiconductors. Reduction tests in hydrogen at 500°C showed the reducibility of the undoped compound to be very low and to increase gradually with increasing Zn content in the ferrite phase. The reduction process caused a pronounced change in the magnetic properties.</description><identifier>ISSN: 1066-7857</identifier><identifier>EISSN: 1753-5557</identifier><identifier>DOI: 10.1179/175355508X266854</identifier><language>eng</language><publisher>Taylor & Francis</publisher><subject>MAGNETIC PROPERTIES ; NANOSIZED FERRITE ; REDUCTION ; TITANATE</subject><ispartof>Materials technology (New York, N.Y.), 2008-03, Vol.23 (1), p.39-44</ispartof><rights>2008 Maney Publishing 2008</rights><lds50>peer_reviewed</lds50><woscitedreferencessubscribed>false</woscitedreferencessubscribed></display><links><openurl>$$Topenurl_article</openurl><openurlfulltext>$$Topenurlfull_article</openurlfulltext><thumbnail>$$Tsyndetics_thumb_exl</thumbnail><link.rule.ids>314,780,784,27923,27924</link.rule.ids></links><search><creatorcontrib>Bahgat, M.</creatorcontrib><creatorcontrib>Khedr, M. H.</creatorcontrib><creatorcontrib>Abdelmaksoud, H. S.</creatorcontrib><title>Reducibility and magnetic properties of nanosized ZnO substituted Fe2O3/TiO2 system</title><title>Materials technology (New York, N.Y.)</title><description>Pure Fe
2
O
3
and TiO
2
powder were mixed in molar ratio and fired in a muffle furnace at 1200°C for 4 h. The Fe
2
TiO
5
compound formed was doped by replacing TiO
2
with calculated amounts of ZnO (ZnO fractions x=0·2, 0·4, 0·6, 0·8 and 1). The synthesised samples were characterised with X-ray diffraction (XRD) and their magnetic properties were measured using a vibrating sample magnetometer. Fe
2
TiO
5
, 2FeZnTiO
4
, Fe
2
ZnTi
3
O
10
, ZnTiO
3
and ZnFe
2
O
4
phases were detected with very low magnetic properties corresponding to dilute magnetic semiconductors. Reduction tests in hydrogen at 500°C showed the reducibility of the undoped compound to be very low and to increase gradually with increasing Zn content in the ferrite phase. The reduction process caused a pronounced change in the magnetic properties.</description><subject>MAGNETIC PROPERTIES</subject><subject>NANOSIZED FERRITE</subject><subject>REDUCTION</subject><subject>TITANATE</subject><issn>1066-7857</issn><issn>1753-5557</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>2008</creationdate><recordtype>article</recordtype><sourceid/><recordid>eNpdkM1KxDAYRYMoOI7uXeYF6iRpv6TBlQyOCgMFHUHclPxKpJMOTYrUp7eDrlzde8_iLg5C15TcUCrkigooAYDUb4zzGqoTtDiiYmbidO6E80LUIM7RRUqfhFBBabVAL8_Ojibo0IU8YRUt3quP6HIw-DD0Bzfk4BLuPY4q9il8O4vfY4PTqFMOeczz3jjWlKtdaBhOU8puf4nOvOqSu_rLJXrd3O_Wj8W2eXha322LwIjIRQ3G8Qpq650DqjljrJJMOAmMMlDSeCqdLDUBLyxXujZEMMMtCG2ElqRcotvf3xB9P-zVVz90ts1q6vrBDyqakNqSkvbop_3vp_wB-WdZOQ</recordid><startdate>20080301</startdate><enddate>20080301</enddate><creator>Bahgat, M.</creator><creator>Khedr, M. H.</creator><creator>Abdelmaksoud, H. S.</creator><general>Taylor & Francis</general><scope/></search><sort><creationdate>20080301</creationdate><title>Reducibility and magnetic properties of nanosized ZnO substituted Fe2O3/TiO2 system</title><author>Bahgat, M. ; Khedr, M. H. ; Abdelmaksoud, H. S.</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-LOGICAL-i207t-85ce6458dfee51b62224927e952125a9cf19e93b05f7d6ab8c072c6d57bc7b903</frbrgroupid><rsrctype>articles</rsrctype><prefilter>articles</prefilter><language>eng</language><creationdate>2008</creationdate><topic>MAGNETIC PROPERTIES</topic><topic>NANOSIZED FERRITE</topic><topic>REDUCTION</topic><topic>TITANATE</topic><toplevel>peer_reviewed</toplevel><toplevel>online_resources</toplevel><creatorcontrib>Bahgat, M.</creatorcontrib><creatorcontrib>Khedr, M. H.</creatorcontrib><creatorcontrib>Abdelmaksoud, H. S.</creatorcontrib><jtitle>Materials technology (New York, N.Y.)</jtitle></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext</fulltext></delivery><addata><au>Bahgat, M.</au><au>Khedr, M. H.</au><au>Abdelmaksoud, H. S.</au><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>Reducibility and magnetic properties of nanosized ZnO substituted Fe2O3/TiO2 system</atitle><jtitle>Materials technology (New York, N.Y.)</jtitle><date>2008-03-01</date><risdate>2008</risdate><volume>23</volume><issue>1</issue><spage>39</spage><epage>44</epage><pages>39-44</pages><issn>1066-7857</issn><eissn>1753-5557</eissn><abstract>Pure Fe
2
O
3
and TiO
2
powder were mixed in molar ratio and fired in a muffle furnace at 1200°C for 4 h. The Fe
2
TiO
5
compound formed was doped by replacing TiO
2
with calculated amounts of ZnO (ZnO fractions x=0·2, 0·4, 0·6, 0·8 and 1). The synthesised samples were characterised with X-ray diffraction (XRD) and their magnetic properties were measured using a vibrating sample magnetometer. Fe
2
TiO
5
, 2FeZnTiO
4
, Fe
2
ZnTi
3
O
10
, ZnTiO
3
and ZnFe
2
O
4
phases were detected with very low magnetic properties corresponding to dilute magnetic semiconductors. Reduction tests in hydrogen at 500°C showed the reducibility of the undoped compound to be very low and to increase gradually with increasing Zn content in the ferrite phase. The reduction process caused a pronounced change in the magnetic properties.</abstract><pub>Taylor & Francis</pub><doi>10.1179/175355508X266854</doi><tpages>6</tpages></addata></record> |
| fulltext | fulltext |
| identifier | ISSN: 1066-7857 |
| ispartof | Materials technology (New York, N.Y.), 2008-03, Vol.23 (1), p.39-44 |
| issn | 1066-7857 1753-5557 |
| language | eng |
| recordid | cdi_informaworld_taylorfrancis_310_1179_175355508X266854 |
| source | Taylor and Francis:Jisc Collections:Taylor and Francis Read and Publish Agreement 2024-2025:Science and Technology Collection (Reading list) |
| subjects | MAGNETIC PROPERTIES NANOSIZED FERRITE REDUCTION TITANATE |
| title | Reducibility and magnetic properties of nanosized ZnO substituted Fe2O3/TiO2 system |
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