Magnetic properties of Zn0.9(Mn0.05,Ni0.05)O nanoparticle: Experimental and theoretical investigation
Identifieur interne : 000274 ( Main/Exploration ); précédent : 000273; suivant : 000275Magnetic properties of Zn0.9(Mn0.05,Ni0.05)O nanoparticle: Experimental and theoretical investigation
Auteurs : O. Mounkachi [Maroc] ; M. Lakhal [Maroc] ; H. Labrim [Maroc] ; M. Hamedoun [Maroc] ; A. Benyoussef [Maroc] ; A. El Kenz [Maroc] ; M. Loulidi [Maroc] ; M. Bhihi [Maroc]Source :
- Journal of magnetism and magnetic materials [ 0304-8853 ] ; 2012.
Descripteurs français
- Pascal (Inist)
English descriptors
- KwdEn :
Abstract
The crystalline and magnetic properties of 5% Mn and 5% Ni co-doped nanocrystalline ZnO particles, obtained by the co-precipitation method, are performed. X-ray diffraction data revealed that Zn0.90Mn0.05Ni0.05O crystallizes in the monophasic wurtzite structure. DC magnetization measurement showed that the samples are paramagnetic at room temperature. However, a large increase in the magnetization is observed below 50 K. This behavior, along with the negative value of Weiss constant obtained from the linear fit of magnetic susceptibility data below room temperature, indicates ferrimagnetic behavior. The ferrimagnetic properties observed at low temperature are explained and confirmed from ab-initio calculations using the Korringa-Kohn-Rostoker method combined with the coherent potential approximation.
Affiliations:
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Le document en format XML
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<sourceDesc><biblStruct><analytic><title xml:lang="en" level="a">Magnetic properties of Zn<sub>0.9</sub>
(Mn<sub>0.05</sub>
,Ni<sub>0.05</sub>
)O nanoparticle: Experimental and theoretical investigation</title>
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<author><name sortKey="El Kenz, A" sort="El Kenz, A" uniqKey="El Kenz A" first="A." last="El Kenz">A. El Kenz</name>
<affiliation wicri:level="3"><inist:fA14 i1="02"><s1>Laboratoire de Magnetisme et Physique des hautes énergies, LMPHE, (URAC 12), Departement de physique, B.P. 1014, Faculty of Science, Universite Mohammed V-Agdal</s1>
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<author><name sortKey="Loulidi, M" sort="Loulidi, M" uniqKey="Loulidi M" first="M." last="Loulidi">M. Loulidi</name>
<affiliation wicri:level="3"><inist:fA14 i1="02"><s1>Laboratoire de Magnetisme et Physique des hautes énergies, LMPHE, (URAC 12), Departement de physique, B.P. 1014, Faculty of Science, Universite Mohammed V-Agdal</s1>
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<author><name sortKey="Bhihi, M" sort="Bhihi, M" uniqKey="Bhihi M" first="M." last="Bhihi">M. Bhihi</name>
<affiliation wicri:level="3"><inist:fA14 i1="02"><s1>Laboratoire de Magnetisme et Physique des hautes énergies, LMPHE, (URAC 12), Departement de physique, B.P. 1014, Faculty of Science, Universite Mohammed V-Agdal</s1>
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<series><title level="j" type="main">Journal of magnetism and magnetic materials</title>
<title level="j" type="abbreviated">J. magn. magn. mater.</title>
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<profileDesc><textClass><keywords scheme="KwdEn" xml:lang="en"><term>Ab initio calculations</term>
<term>CPA calculations</term>
<term>Codoping</term>
<term>Coprecipitation</term>
<term>Ferrimagnetism</term>
<term>KKR calculations</term>
<term>Magnetic properties</term>
<term>Magnetic susceptibility</term>
<term>Magnetization</term>
<term>Manganese additions</term>
<term>Nanocrystal</term>
<term>Nanoparticles</term>
<term>Nickel additions</term>
<term>Semimagnetic semiconductors</term>
<term>Wurtzite structure</term>
<term>XRD</term>
<term>Zinc oxide</term>
</keywords>
<keywords scheme="Pascal" xml:lang="fr"><term>Propriété magnétique</term>
<term>Addition nickel</term>
<term>Codopage</term>
<term>Coprécipitation</term>
<term>Diffraction RX</term>
<term>Aimantation</term>
<term>Susceptibilité magnétique</term>
<term>Ferrimagnétisme</term>
<term>Calcul ab initio</term>
<term>Calcul KKR</term>
<term>Calcul CPA</term>
<term>Addition manganèse</term>
<term>Nanoparticule</term>
<term>Nanocristal</term>
<term>Oxyde de zinc</term>
<term>Structure wurtzite</term>
<term>Semiconducteur semimagnétique</term>
<term>ZnO</term>
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<front><div type="abstract" xml:lang="en">The crystalline and magnetic properties of 5% Mn and 5% Ni co-doped nanocrystalline ZnO particles, obtained by the co-precipitation method, are performed. X-ray diffraction data revealed that Zn<sub>0.90</sub>
Mn<sub>0.05</sub>
Ni<sub>0.05</sub>
O crystallizes in the monophasic wurtzite structure. DC magnetization measurement showed that the samples are paramagnetic at room temperature. However, a large increase in the magnetization is observed below 50 K. This behavior, along with the negative value of Weiss constant obtained from the linear fit of magnetic susceptibility data below room temperature, indicates ferrimagnetic behavior. The ferrimagnetic properties observed at low temperature are explained and confirmed from ab-initio calculations using the Korringa-Kohn-Rostoker method combined with the coherent potential approximation.</div>
</front>
</TEI>
<affiliations><list><country><li>Maroc</li>
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</region>
<settlement><li>Rabat</li>
</settlement>
</list>
<tree><country name="Maroc"><region name="Rabat-Salé-Kénitra"><name sortKey="Mounkachi, O" sort="Mounkachi, O" uniqKey="Mounkachi O" first="O." last="Mounkachi">O. Mounkachi</name>
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<name sortKey="Benyoussef, A" sort="Benyoussef, A" uniqKey="Benyoussef A" first="A." last="Benyoussef">A. Benyoussef</name>
<name sortKey="Benyoussef, A" sort="Benyoussef, A" uniqKey="Benyoussef A" first="A." last="Benyoussef">A. Benyoussef</name>
<name sortKey="Benyoussef, A" sort="Benyoussef, A" uniqKey="Benyoussef A" first="A." last="Benyoussef">A. Benyoussef</name>
<name sortKey="Bhihi, M" sort="Bhihi, M" uniqKey="Bhihi M" first="M." last="Bhihi">M. Bhihi</name>
<name sortKey="El Kenz, A" sort="El Kenz, A" uniqKey="El Kenz A" first="A." last="El Kenz">A. El Kenz</name>
<name sortKey="Hamedoun, M" sort="Hamedoun, M" uniqKey="Hamedoun M" first="M." last="Hamedoun">M. Hamedoun</name>
<name sortKey="Labrim, H" sort="Labrim, H" uniqKey="Labrim H" first="H." last="Labrim">H. Labrim</name>
<name sortKey="Lakhal, M" sort="Lakhal, M" uniqKey="Lakhal M" first="M." last="Lakhal">M. Lakhal</name>
<name sortKey="Loulidi, M" sort="Loulidi, M" uniqKey="Loulidi M" first="M." last="Loulidi">M. Loulidi</name>
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