Raman studies of Ti1-xFexO2 nano-particles
Ti 1-x Fe x O 2 (x=0.00-0.13) nano-particles were prepared by hydrolysis method and characterized by SEM, , TEM, XRD, and magnetization measurements (VSM). We investigated the effects of Fe doping on the structure of the Ti 1-x Fe x O 2 system by Raman scattering studies. SEM, TEM and XRD measuremen...
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| creator | Nguyen Van Minh Dao Hai Long Nguyen The Khoi Sung-Jin Kim In-Sang Yang |
| description | Ti 1-x Fe x O 2 (x=0.00-0.13) nano-particles were prepared by hydrolysis method and characterized by SEM, , TEM, XRD, and magnetization measurements (VSM). We investigated the effects of Fe doping on the structure of the Ti 1-x Fe x O 2 system by Raman scattering studies. SEM, TEM and XRD measurements show that the particle size of the powder is in nano-scale, and that the magnetic Fe impurities substitute for the Ti sites in the anatase TiO 2 phase. All the samples with x>0 were found to be superparamagnetic at room temperature. Raman spectra show no iron-oxide peak at around 610 cm -1 , strongly supporting that the Fe atoms go into the Ti-site in TiO 2 of nano-particles. However, for the ceramic samples, one additional Raman peaks at around 610 cm -1 are observed. This may be related to the clusters or disorders created by mixture of various valence state of Fe ions. This may explain the existence if ferromagnetism in the ceramic Ti 1-x Fe x O 2 system, but none in the Ti 1-x Fe x O 2 nano-particles. |
| doi_str_mv | 10.1109/NMDC.2006.4388803 |
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We investigated the effects of Fe doping on the structure of the Ti 1-x Fe x O 2 system by Raman scattering studies. SEM, TEM and XRD measurements show that the particle size of the powder is in nano-scale, and that the magnetic Fe impurities substitute for the Ti sites in the anatase TiO 2 phase. All the samples with x>0 were found to be superparamagnetic at room temperature. Raman spectra show no iron-oxide peak at around 610 cm -1 , strongly supporting that the Fe atoms go into the Ti-site in TiO 2 of nano-particles. However, for the ceramic samples, one additional Raman peaks at around 610 cm -1 are observed. This may be related to the clusters or disorders created by mixture of various valence state of Fe ions. This may explain the existence if ferromagnetism in the ceramic Ti 1-x Fe x O 2 system, but none in the Ti 1-x Fe x O 2 nano-particles.</description><identifier>ISBN: 9781424405404</identifier><identifier>ISBN: 1424405408</identifier><identifier>EISBN: 1424405416</identifier><identifier>EISBN: 9781424405411</identifier><identifier>DOI: 10.1109/NMDC.2006.4388803</identifier><identifier>LCCN: 2006930027</identifier><language>eng</language><publisher>IEEE</publisher><subject>Anatase ; Ceramics ; diluted magnetic semiconductors ; Doping ; Iron ; Magnetization ; nano-particle ; Particle measurements ; Phase measurement ; Powders ; Raman scattering ; Raman spectroscopy ; Size measurement ; X-ray scattering</subject><ispartof>2006 IEEE Nanotechnology Materials and Devices Conference, 2006, Vol.1, p.434-435</ispartof><woscitedreferencessubscribed>false</woscitedreferencessubscribed></display><links><openurl>$$Topenurl_article</openurl><openurlfulltext>$$Topenurlfull_article</openurlfulltext><thumbnail>$$Tsyndetics_thumb_exl</thumbnail><linktohtml>$$Uhttps://ieeexplore.ieee.org/document/4388803$$EHTML$$P50$$Gieee$$H</linktohtml><link.rule.ids>309,310,777,781,786,787,2052,27906,54901</link.rule.ids><linktorsrc>$$Uhttps://ieeexplore.ieee.org/document/4388803$$EView_record_in_IEEE$$FView_record_in_$$GIEEE</linktorsrc></links><search><creatorcontrib>Nguyen Van Minh</creatorcontrib><creatorcontrib>Dao Hai Long</creatorcontrib><creatorcontrib>Nguyen The Khoi</creatorcontrib><creatorcontrib>Sung-Jin Kim</creatorcontrib><creatorcontrib>In-Sang Yang</creatorcontrib><title>Raman studies of Ti1-xFexO2 nano-particles</title><title>2006 IEEE Nanotechnology Materials and Devices Conference</title><addtitle>NMDC</addtitle><description>Ti 1-x Fe x O 2 (x=0.00-0.13) nano-particles were prepared by hydrolysis method and characterized by SEM, , TEM, XRD, and magnetization measurements (VSM). We investigated the effects of Fe doping on the structure of the Ti 1-x Fe x O 2 system by Raman scattering studies. SEM, TEM and XRD measurements show that the particle size of the powder is in nano-scale, and that the magnetic Fe impurities substitute for the Ti sites in the anatase TiO 2 phase. All the samples with x>0 were found to be superparamagnetic at room temperature. Raman spectra show no iron-oxide peak at around 610 cm -1 , strongly supporting that the Fe atoms go into the Ti-site in TiO 2 of nano-particles. However, for the ceramic samples, one additional Raman peaks at around 610 cm -1 are observed. This may be related to the clusters or disorders created by mixture of various valence state of Fe ions. This may explain the existence if ferromagnetism in the ceramic Ti 1-x Fe x O 2 system, but none in the Ti 1-x Fe x O 2 nano-particles.</description><subject>Anatase</subject><subject>Ceramics</subject><subject>diluted magnetic semiconductors</subject><subject>Doping</subject><subject>Iron</subject><subject>Magnetization</subject><subject>nano-particle</subject><subject>Particle measurements</subject><subject>Phase measurement</subject><subject>Powders</subject><subject>Raman scattering</subject><subject>Raman spectroscopy</subject><subject>Size measurement</subject><subject>X-ray scattering</subject><isbn>9781424405404</isbn><isbn>1424405408</isbn><isbn>1424405416</isbn><isbn>9781424405411</isbn><fulltext>true</fulltext><rsrctype>conference_proceeding</rsrctype><creationdate>2006</creationdate><recordtype>conference_proceeding</recordtype><sourceid>6IE</sourceid><sourceid>RIE</sourceid><recordid>eNo1T01Lw0AUXJGCtuYHiJechaTv7dvNbo4SrQqtBann8kxfYKVNSzZC_femWOcyzAcDo9QtQo4I5fRt8VjlGqDIDXnvgS7UGI02BqzB4lIlpfP_GsxIjU_dkgC0u1JJjF8wgMpiMK_V_TvvuE1j_70JEtN9k64CZseZHJc6bbndZwfu-lBvJd6oUcPbKMmZJ-pj9rSqXrL58vm1ephnAZ3tM2y8JgsNsdQebCO80c5aX2gBEm9QAw4ZG5LPuvRSMxTsjUbtqHYaaaLu_naDiKwPXdhx97M-f6Vf-89C1A</recordid><startdate>200610</startdate><enddate>200610</enddate><creator>Nguyen Van Minh</creator><creator>Dao Hai Long</creator><creator>Nguyen The Khoi</creator><creator>Sung-Jin Kim</creator><creator>In-Sang Yang</creator><general>IEEE</general><scope>6IE</scope><scope>6IL</scope><scope>CBEJK</scope><scope>RIE</scope><scope>RIL</scope></search><sort><creationdate>200610</creationdate><title>Raman studies of Ti1-xFexO2 nano-particles</title><author>Nguyen Van Minh ; Dao Hai Long ; Nguyen The Khoi ; Sung-Jin Kim ; In-Sang Yang</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-LOGICAL-i175t-1f82350f3aec805fead2755862e03e8412013aea43ebc98eca06a8421273c7213</frbrgroupid><rsrctype>conference_proceedings</rsrctype><prefilter>conference_proceedings</prefilter><language>eng</language><creationdate>2006</creationdate><topic>Anatase</topic><topic>Ceramics</topic><topic>diluted magnetic semiconductors</topic><topic>Doping</topic><topic>Iron</topic><topic>Magnetization</topic><topic>nano-particle</topic><topic>Particle measurements</topic><topic>Phase measurement</topic><topic>Powders</topic><topic>Raman scattering</topic><topic>Raman spectroscopy</topic><topic>Size measurement</topic><topic>X-ray scattering</topic><toplevel>online_resources</toplevel><creatorcontrib>Nguyen Van Minh</creatorcontrib><creatorcontrib>Dao Hai Long</creatorcontrib><creatorcontrib>Nguyen The Khoi</creatorcontrib><creatorcontrib>Sung-Jin Kim</creatorcontrib><creatorcontrib>In-Sang Yang</creatorcontrib><collection>IEEE Electronic Library (IEL) Conference Proceedings</collection><collection>IEEE Proceedings Order Plan All Online (POP All Online) 1998-present by volume</collection><collection>IEEE Xplore All Conference Proceedings</collection><collection>IEEE/IET Electronic Library</collection><collection>IEEE Proceedings Order Plans (POP All) 1998-Present</collection></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext_linktorsrc</fulltext></delivery><addata><au>Nguyen Van Minh</au><au>Dao Hai Long</au><au>Nguyen The Khoi</au><au>Sung-Jin Kim</au><au>In-Sang Yang</au><format>book</format><genre>proceeding</genre><ristype>CONF</ristype><atitle>Raman studies of Ti1-xFexO2 nano-particles</atitle><btitle>2006 IEEE Nanotechnology Materials and Devices Conference</btitle><stitle>NMDC</stitle><date>2006-10</date><risdate>2006</risdate><volume>1</volume><spage>434</spage><epage>435</epage><pages>434-435</pages><isbn>9781424405404</isbn><isbn>1424405408</isbn><eisbn>1424405416</eisbn><eisbn>9781424405411</eisbn><abstract>Ti 1-x Fe x O 2 (x=0.00-0.13) nano-particles were prepared by hydrolysis method and characterized by SEM, , TEM, XRD, and magnetization measurements (VSM). We investigated the effects of Fe doping on the structure of the Ti 1-x Fe x O 2 system by Raman scattering studies. SEM, TEM and XRD measurements show that the particle size of the powder is in nano-scale, and that the magnetic Fe impurities substitute for the Ti sites in the anatase TiO 2 phase. All the samples with x>0 were found to be superparamagnetic at room temperature. Raman spectra show no iron-oxide peak at around 610 cm -1 , strongly supporting that the Fe atoms go into the Ti-site in TiO 2 of nano-particles. However, for the ceramic samples, one additional Raman peaks at around 610 cm -1 are observed. This may be related to the clusters or disorders created by mixture of various valence state of Fe ions. This may explain the existence if ferromagnetism in the ceramic Ti 1-x Fe x O 2 system, but none in the Ti 1-x Fe x O 2 nano-particles.</abstract><pub>IEEE</pub><doi>10.1109/NMDC.2006.4388803</doi><tpages>2</tpages></addata></record> |
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| subjects | Anatase Ceramics diluted magnetic semiconductors Doping Iron Magnetization nano-particle Particle measurements Phase measurement Powders Raman scattering Raman spectroscopy Size measurement X-ray scattering |
| title | Raman studies of Ti1-xFexO2 nano-particles |
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