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Magnetic properties of ZnFe2O4 and In-doped ZnFe2O4 nanoparticles

Identifieur interne : 006309 ( Main/Repository ); précédent : 006308; suivant : 006310

Magnetic properties of ZnFe2O4 and In-doped ZnFe2O4 nanoparticles

Auteurs : RBID : Pascal:08-0401915

Descripteurs français

Pascal (Inist)
- Propriété magnétique, Dopage, Aimantation, Superparamagnétisme, Addition indium, Interaction superéchange, Force coercitive, Oxyde de fer, Ferrites spinelles, Oxyde de zinc, Nanoparticule, Matériau ferromagnétique, ZnFe2O4, 7575.
Wicri :
- concept : Dopage.

English descriptors

KwdEn :
- Coercive force, Doping, Ferrites spinels, Ferromagnetic materials, Indium additions, Iron oxide, Magnetic properties, Magnetization, Nanoparticles, Superexchange interactions, Superparamagnetism, Zinc oxide.

Abstract

The magnetic behaviour of ZhFe₂O₄ and Zn_0.85In_0.15Fe₂O₄ nanoparticles with diameters of about 4.1 and 3 nm respectively was investigated by dc magnetisation measurements. Both materials are at superparamagnetic state above a blocking temperature of about 25 K and exhibit the collective behaviour of an assembly of single domain ferromagnets below this temperature. In-doping results in a decrease of the magnetisation and increase of coercitivity of the nanoparticles. This observation implies that, besides size, doping causes also significant structural rearrangements which in turn induce changes in the strength and the number of Fe³⁺(A)-O-Fe³⁺(B) superexchange interactions.

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Pascal:08-0401915

Le document en format XML

<record><TEI><teiHeader><fileDesc><titleStmt><title xml:lang="en" level="a">Magnetic properties of ZnFe<sub>2</sub>
O<sub>4</sub>
 and In-doped ZnFe<sub>2</sub>
O<sub>4</sub>
 nanoparticles</title>
<author><name sortKey="Maletin, M" uniqKey="Maletin M">M. Maletin</name>
<affiliation wicri:level="1"><inist:fA14 i1="01"><s1>Department of Materials Engineering, Faculty of Technology, University of Novi Sad, Bul. Cara Lazara 1</s1>
<s2>21000 Novi Sad</s2>
<s3>SRB</s3>
<sZ>1 aut.</sZ>
<sZ>3 aut.</sZ>
</inist:fA14>
<country>Serbie</country>
<wicri:noRegion>21000 Novi Sad</wicri:noRegion>
</affiliation>
<affiliation wicri:level="1"><inist:fA14 i1="02"><s1>Institute of Materials Science, National Center for Scientific Research "Demokritos"</s1>
<s2>15310 Agia Paraskevi, Athens</s2>
<s3>GRC</s3>
<sZ>1 aut.</sZ>
<sZ>2 aut.</sZ>
</inist:fA14>
<country>Grèce</country>
<wicri:noRegion>15310 Agia Paraskevi, Athens</wicri:noRegion>
</affiliation>
</author>
<author><name sortKey="Moshopoulou, E G" uniqKey="Moshopoulou E">E. G. Moshopoulou</name>
<affiliation wicri:level="1"><inist:fA14 i1="02"><s1>Institute of Materials Science, National Center for Scientific Research "Demokritos"</s1>
<s2>15310 Agia Paraskevi, Athens</s2>
<s3>GRC</s3>
<sZ>1 aut.</sZ>
<sZ>2 aut.</sZ>
</inist:fA14>
<country>Grèce</country>
<wicri:noRegion>15310 Agia Paraskevi, Athens</wicri:noRegion>
</affiliation>
</author>
<author><name sortKey="Srdic, V V" uniqKey="Srdic V">V. V. Srdic</name>
<affiliation wicri:level="1"><inist:fA14 i1="01"><s1>Department of Materials Engineering, Faculty of Technology, University of Novi Sad, Bul. Cara Lazara 1</s1>
<s2>21000 Novi Sad</s2>
<s3>SRB</s3>
<sZ>1 aut.</sZ>
<sZ>3 aut.</sZ>
</inist:fA14>
<country>Serbie</country>
<wicri:noRegion>21000 Novi Sad</wicri:noRegion>
</affiliation>
</author>
</titleStmt>
<publicationStmt><idno type="inist">08-0401915</idno>
<date when="2008">2008</date>
<idno type="stanalyst">PASCAL 08-0401915 INIST</idno>
<idno type="RBID">Pascal:08-0401915</idno>
<idno type="wicri:Area/Main/Corpus">006543</idno>
<idno type="wicri:Area/Main/Repository">006309</idno>
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<seriesStmt><idno type="ISSN">1862-6300</idno>
<title level="j" type="abbreviated">Phys. status solidi, A Appl. mater. sci. : (Print)</title>
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</fileDesc>
<profileDesc><textClass><keywords scheme="KwdEn" xml:lang="en"><term>Coercive force</term>
<term>Doping</term>
<term>Ferrites spinels</term>
<term>Ferromagnetic materials</term>
<term>Indium additions</term>
<term>Iron oxide</term>
<term>Magnetic properties</term>
<term>Magnetization</term>
<term>Nanoparticles</term>
<term>Superexchange interactions</term>
<term>Superparamagnetism</term>
<term>Zinc oxide</term>
</keywords>
<keywords scheme="Pascal" xml:lang="fr"><term>Propriété magnétique</term>
<term>Dopage</term>
<term>Aimantation</term>
<term>Superparamagnétisme</term>
<term>Addition indium</term>
<term>Interaction superéchange</term>
<term>Force coercitive</term>
<term>Oxyde de fer</term>
<term>Ferrites spinelles</term>
<term>Oxyde de zinc</term>
<term>Nanoparticule</term>
<term>Matériau ferromagnétique</term>
<term>ZnFe2O4</term>
<term>7575</term>
</keywords>
<keywords scheme="Wicri" type="concept" xml:lang="fr"><term>Dopage</term>
</keywords>
</textClass>
</profileDesc>
</teiHeader>
<front><div type="abstract" xml:lang="en">The magnetic behaviour of ZhFe<sub>2</sub>
O<sub>4</sub>
 and Zn<sub>0.85</sub>
In<sub>0.15</sub>
Fe<sub>2</sub>
O<sub>4</sub>
 nanoparticles with diameters of about 4.1 and 3 nm respectively was investigated by dc magnetisation measurements. Both materials are at superparamagnetic state above a blocking temperature of about 25 K and exhibit the collective behaviour of an assembly of single domain ferromagnets below this temperature. In-doping results in a decrease of the magnetisation and increase of coercitivity of the nanoparticles. This observation implies that, besides size, doping causes also significant structural rearrangements which in turn induce changes in the strength and the number of Fe<sup>3+</sup>
(A)-O-Fe<sup>3+</sup>
(B) superexchange interactions.</div>
</front>
</TEI>
<inist><standard h6="B"><pA><fA01 i1="01" i2="1"><s0>1862-6300</s0>
</fA01>
<fA03 i2="1"><s0>Phys. status solidi, A Appl. mater. sci. : (Print)</s0>
</fA03>
<fA05><s2>205</s2>
</fA05>
<fA06><s2>8</s2>
</fA06>
<fA08 i1="01" i2="1" l="ENG"><s1>Magnetic properties of ZnFe<sub>2</sub>
O<sub>4</sub>
 and In-doped ZnFe<sub>2</sub>
O<sub>4</sub>
 nanoparticles</s1>
</fA08>
<fA11 i1="01" i2="1"><s1>MALETIN (M.)</s1>
</fA11>
<fA11 i1="02" i2="1"><s1>MOSHOPOULOU (E. G.)</s1>
</fA11>
<fA11 i1="03" i2="1"><s1>SRDIC (V. V.)</s1>
</fA11>
<fA14 i1="01"><s1>Department of Materials Engineering, Faculty of Technology, University of Novi Sad, Bul. Cara Lazara 1</s1>
<s2>21000 Novi Sad</s2>
<s3>SRB</s3>
<sZ>1 aut.</sZ>
<sZ>3 aut.</sZ>
</fA14>
<fA14 i1="02"><s1>Institute of Materials Science, National Center for Scientific Research "Demokritos"</s1>
<s2>15310 Agia Paraskevi, Athens</s2>
<s3>GRC</s3>
<sZ>1 aut.</sZ>
<sZ>2 aut.</sZ>
</fA14>
<fA20><s1>1831-1834</s1>
</fA20>
<fA21><s1>2008</s1>
</fA21>
<fA23 i1="01"><s0>ENG</s0>
</fA23>
<fA43 i1="01"><s1>INIST</s1>
<s2>10183A</s2>
<s5>354000196300530220</s5>
</fA43>
<fA44><s0>0000</s0>
<s1>© 2008 INIST-CNRS. All rights reserved.</s1>
</fA44>
<fA45><s0>14 ref.</s0>
</fA45>
<fA47 i1="01" i2="1"><s0>08-0401915</s0>
</fA47>
<fA60><s1>P</s1>
<s2>C</s2>
</fA60>
<fA61><s0>A</s0>
</fA61>
<fA64 i1="01" i2="1"><s0>Physica status solidi. A, Applications and materials science : (Print)</s0>
</fA64>
<fA66 i1="01"><s0>DEU</s0>
</fA66>
<fC01 i1="01" l="ENG"><s0>The magnetic behaviour of ZhFe<sub>2</sub>
O<sub>4</sub>
 and Zn<sub>0.85</sub>
In<sub>0.15</sub>
Fe<sub>2</sub>
O<sub>4</sub>
 nanoparticles with diameters of about 4.1 and 3 nm respectively was investigated by dc magnetisation measurements. Both materials are at superparamagnetic state above a blocking temperature of about 25 K and exhibit the collective behaviour of an assembly of single domain ferromagnets below this temperature. In-doping results in a decrease of the magnetisation and increase of coercitivity of the nanoparticles. This observation implies that, besides size, doping causes also significant structural rearrangements which in turn induce changes in the strength and the number of Fe<sup>3+</sup>
(A)-O-Fe<sup>3+</sup>
(B) superexchange interactions.</s0>
</fC01>
<fC02 i1="01" i2="3"><s0>001B70E20</s0>
</fC02>
<fC02 i1="02" i2="3"><s0>001B70E75</s0>
</fC02>
<fC03 i1="01" i2="3" l="FRE"><s0>Propriété magnétique</s0>
<s5>02</s5>
</fC03>
<fC03 i1="01" i2="3" l="ENG"><s0>Magnetic properties</s0>
<s5>02</s5>
</fC03>
<fC03 i1="02" i2="X" l="FRE"><s0>Dopage</s0>
<s5>03</s5>
</fC03>
<fC03 i1="02" i2="X" l="ENG"><s0>Doping</s0>
<s5>03</s5>
</fC03>
<fC03 i1="02" i2="X" l="SPA"><s0>Doping</s0>
<s5>03</s5>
</fC03>
<fC03 i1="03" i2="3" l="FRE"><s0>Aimantation</s0>
<s5>04</s5>
</fC03>
<fC03 i1="03" i2="3" l="ENG"><s0>Magnetization</s0>
<s5>04</s5>
</fC03>
<fC03 i1="04" i2="3" l="FRE"><s0>Superparamagnétisme</s0>
<s5>05</s5>
</fC03>
<fC03 i1="04" i2="3" l="ENG"><s0>Superparamagnetism</s0>
<s5>05</s5>
</fC03>
<fC03 i1="05" i2="3" l="FRE"><s0>Addition indium</s0>
<s5>06</s5>
</fC03>
<fC03 i1="05" i2="3" l="ENG"><s0>Indium additions</s0>
<s5>06</s5>
</fC03>
<fC03 i1="06" i2="3" l="FRE"><s0>Interaction superéchange</s0>
<s5>07</s5>
</fC03>
<fC03 i1="06" i2="3" l="ENG"><s0>Superexchange interactions</s0>
<s5>07</s5>
</fC03>
<fC03 i1="07" i2="3" l="FRE"><s0>Force coercitive</s0>
<s5>08</s5>
</fC03>
<fC03 i1="07" i2="3" l="ENG"><s0>Coercive force</s0>
<s5>08</s5>
</fC03>
<fC03 i1="08" i2="X" l="FRE"><s0>Oxyde de fer</s0>
<s5>15</s5>
</fC03>
<fC03 i1="08" i2="X" l="ENG"><s0>Iron oxide</s0>
<s5>15</s5>
</fC03>
<fC03 i1="08" i2="X" l="SPA"><s0>Hierro óxido</s0>
<s5>15</s5>
</fC03>
<fC03 i1="09" i2="X" l="FRE"><s0>Ferrites spinelles</s0>
<s5>16</s5>
</fC03>
<fC03 i1="09" i2="X" l="ENG"><s0>Ferrites spinels</s0>
<s5>16</s5>
</fC03>
<fC03 i1="09" i2="X" l="SPA"><s0>Feritas espinelas</s0>
<s5>16</s5>
</fC03>
<fC03 i1="10" i2="X" l="FRE"><s0>Oxyde de zinc</s0>
<s5>17</s5>
</fC03>
<fC03 i1="10" i2="X" l="ENG"><s0>Zinc oxide</s0>
<s5>17</s5>
</fC03>
<fC03 i1="10" i2="X" l="SPA"><s0>Zinc óxido</s0>
<s5>17</s5>
</fC03>
<fC03 i1="11" i2="3" l="FRE"><s0>Nanoparticule</s0>
<s5>18</s5>
</fC03>
<fC03 i1="11" i2="3" l="ENG"><s0>Nanoparticles</s0>
<s5>18</s5>
</fC03>
<fC03 i1="12" i2="3" l="FRE"><s0>Matériau ferromagnétique</s0>
<s5>19</s5>
</fC03>
<fC03 i1="12" i2="3" l="ENG"><s0>Ferromagnetic materials</s0>
<s5>19</s5>
</fC03>
<fC03 i1="13" i2="3" l="FRE"><s0>ZnFe2O4</s0>
<s4>INC</s4>
<s5>52</s5>
</fC03>
<fC03 i1="14" i2="3" l="FRE"><s0>7575</s0>
<s4>INC</s4>
<s5>56</s5>
</fC03>
<fN21><s1>259</s1>
</fN21>
</pA>
<pR><fA30 i1="01" i2="1" l="ENG"><s1>Seeheim Conference on Magnetism (SCM2007)</s1>
<s2>3</s2>
<s3>Frankfurt DEU</s3>
<s4>2007-08-26</s4>
</fA30>
</pR>
</standard>
</inist>
</record>

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Magnetic properties of ZnFe2O4 and In-doped ZnFe2O4 nanoparticles

Magnetic properties of ZnFe2O4 and In-doped ZnFe2O4 nanoparticles

Descripteurs français

English descriptors

Abstract

Links toward previous steps (curation, corpus...)

Links to Exploration step

Le document en format XML

Pour manipuler ce document sous Unix (Dilib)

Pour mettre un lien sur cette page dans le réseau Wicri