A new nasicon-type phosphate : Co0.5Ti2(PO4)3. II. Simulation of optical and magnetic properties
Identifieur interne : 000E54 ( Main/Merge ); précédent : 000E53; suivant : 000E55A new nasicon-type phosphate : Co0.5Ti2(PO4)3. II. Simulation of optical and magnetic properties
Auteurs : J. Derouet [France] ; L. Beaury [France] ; P. Porcher [France] ; R. Olazcuaga [France] ; J. M. Dance [France] ; G. Le Flem [France] ; A. El Bouari [Maroc] ; A. El Jazouli [Maroc]Source :
- Journal of solid state chemistry [ 0022-4596 ] ; 1999.
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- Pascal (Inist)
English descriptors
- KwdEn :
Abstract
The optical (energy level scheme) and magnetic properties (paramagnetic susceptibility as a function of the temperature and g values) of the polycrystalline Co0.5Ti2(PO4)3 were simultaneously reproduced by use of a crystal field theory involving a set of Fk,ζ, free ion, and Bkq crystal field parameters. The crystal field parameters calculated from the structure are in fair agreement with the experimental ones and permit us to assign R32 as the space group of the crystal structure.
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Pascal:99-0185620Le document en format XML
<record><TEI><teiHeader><fileDesc><titleStmt><title xml:lang="en" level="a">A new nasicon-type phosphate : Co<sub>0.5</sub>
Ti<sub>2</sub>
(PO<sub>4</sub>
)<sub>3</sub>
. II. Simulation of optical and magnetic properties</title>
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<sourceDesc><biblStruct><analytic><title xml:lang="en" level="a">A new nasicon-type phosphate : Co<sub>0.5</sub>
Ti<sub>2</sub>
(PO<sub>4</sub>
)<sub>3</sub>
. II. Simulation of optical and magnetic properties</title>
<author><name sortKey="Derouet, J" sort="Derouet, J" uniqKey="Derouet J" first="J." last="Derouet">J. Derouet</name>
<affiliation wicri:level="3"><inist:fA14 i1="01"><s1>Laboratoire de Chimie Appliquée de l'Etat Solide, ENSCP, 11 rue Pierre et Marie Curie</s1>
<s2>75231 Paris</s2>
<s3>FRA</s3>
<sZ>1 aut.</sZ>
<sZ>2 aut.</sZ>
<sZ>3 aut.</sZ>
</inist:fA14>
<country>France</country>
<placeName><region type="region" nuts="2">Île-de-France</region>
<settlement type="city">Paris</settlement>
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</author>
<author><name sortKey="Beaury, L" sort="Beaury, L" uniqKey="Beaury L" first="L." last="Beaury">L. Beaury</name>
<affiliation wicri:level="3"><inist:fA14 i1="01"><s1>Laboratoire de Chimie Appliquée de l'Etat Solide, ENSCP, 11 rue Pierre et Marie Curie</s1>
<s2>75231 Paris</s2>
<s3>FRA</s3>
<sZ>1 aut.</sZ>
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</inist:fA14>
<country>France</country>
<placeName><region type="region" nuts="2">Île-de-France</region>
<settlement type="city">Paris</settlement>
</placeName>
</affiliation>
</author>
<author><name sortKey="Porcher, P" sort="Porcher, P" uniqKey="Porcher P" first="P." last="Porcher">P. Porcher</name>
<affiliation wicri:level="3"><inist:fA14 i1="01"><s1>Laboratoire de Chimie Appliquée de l'Etat Solide, ENSCP, 11 rue Pierre et Marie Curie</s1>
<s2>75231 Paris</s2>
<s3>FRA</s3>
<sZ>1 aut.</sZ>
<sZ>2 aut.</sZ>
<sZ>3 aut.</sZ>
</inist:fA14>
<country>France</country>
<placeName><region type="region" nuts="2">Île-de-France</region>
<settlement type="city">Paris</settlement>
</placeName>
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<author><name sortKey="Olazcuaga, R" sort="Olazcuaga, R" uniqKey="Olazcuaga R" first="R." last="Olazcuaga">R. Olazcuaga</name>
<affiliation wicri:level="3"><inist:fA14 i1="02"><s1>Institut de Chimie de la Matière Condensée, CNRS-UPR9048, Av. Dr Schweitzer</s1>
<s2>33608 Pessac</s2>
<s3>FRA</s3>
<sZ>4 aut.</sZ>
<sZ>5 aut.</sZ>
<sZ>6 aut.</sZ>
</inist:fA14>
<country>France</country>
<placeName><region type="region" nuts="2">Nouvelle-Aquitaine</region>
<region type="old region" nuts="2">Aquitaine</region>
<settlement type="city">Pessac</settlement>
</placeName>
</affiliation>
</author>
<author><name sortKey="Dance, J M" sort="Dance, J M" uniqKey="Dance J" first="J. M." last="Dance">J. M. Dance</name>
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<s2>33608 Pessac</s2>
<s3>FRA</s3>
<sZ>4 aut.</sZ>
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<sZ>6 aut.</sZ>
</inist:fA14>
<country>France</country>
<placeName><region type="region" nuts="2">Nouvelle-Aquitaine</region>
<region type="old region" nuts="2">Aquitaine</region>
<settlement type="city">Pessac</settlement>
</placeName>
</affiliation>
</author>
<author><name sortKey="Le Flem, G" sort="Le Flem, G" uniqKey="Le Flem G" first="G." last="Le Flem">G. Le Flem</name>
<affiliation wicri:level="3"><inist:fA14 i1="02"><s1>Institut de Chimie de la Matière Condensée, CNRS-UPR9048, Av. Dr Schweitzer</s1>
<s2>33608 Pessac</s2>
<s3>FRA</s3>
<sZ>4 aut.</sZ>
<sZ>5 aut.</sZ>
<sZ>6 aut.</sZ>
</inist:fA14>
<country>France</country>
<placeName><region type="region" nuts="2">Nouvelle-Aquitaine</region>
<region type="old region" nuts="2">Aquitaine</region>
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</placeName>
</affiliation>
</author>
<author><name sortKey="El Bouari, A" sort="El Bouari, A" uniqKey="El Bouari A" first="A." last="El Bouari">A. El Bouari</name>
<affiliation wicri:level="1"><inist:fA14 i1="03"><s1>Département de Chimie, Faculté des Sciences M'Sik Sidi Othmane, BP 6621</s1>
<s2>Casablanca</s2>
<s3>MAR</s3>
<sZ>7 aut.</sZ>
<sZ>8 aut.</sZ>
</inist:fA14>
<country>Maroc</country>
<wicri:noRegion>Casablanca</wicri:noRegion>
</affiliation>
</author>
<author><name sortKey="El Jazouli, A" sort="El Jazouli, A" uniqKey="El Jazouli A" first="A." last="El Jazouli">A. El Jazouli</name>
<affiliation wicri:level="1"><inist:fA14 i1="03"><s1>Département de Chimie, Faculté des Sciences M'Sik Sidi Othmane, BP 6621</s1>
<s2>Casablanca</s2>
<s3>MAR</s3>
<sZ>7 aut.</sZ>
<sZ>8 aut.</sZ>
</inist:fA14>
<country>Maroc</country>
<wicri:noRegion>Casablanca</wicri:noRegion>
</affiliation>
</author>
</analytic>
<series><title level="j" type="main">Journal of solid state chemistry</title>
<title level="j" type="abbreviated">J. solid state chem.</title>
<idno type="ISSN">0022-4596</idno>
<imprint><date when="1999">1999</date>
</imprint>
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<seriesStmt><title level="j" type="main">Journal of solid state chemistry</title>
<title level="j" type="abbreviated">J. solid state chem.</title>
<idno type="ISSN">0022-4596</idno>
</seriesStmt>
</fileDesc>
<profileDesc><textClass><keywords scheme="KwdEn" xml:lang="en"><term>Cobalt phosphates</term>
<term>Crystal field</term>
<term>Energy levels</term>
<term>Magnetic susceptibility</term>
<term>Phenomenological model</term>
<term>Polycrystals</term>
<term>Quaternary compounds</term>
<term>Semiempirical method</term>
<term>Theoretical study</term>
<term>Titanium phosphates</term>
<term>g-factor</term>
</keywords>
<keywords scheme="Pascal" xml:lang="fr"><term>Etude théorique</term>
<term>Cobalt phosphate</term>
<term>Titane phosphate</term>
<term>Composé quaternaire</term>
<term>Susceptibilité magnétique</term>
<term>Modèle phénoménologique</term>
<term>Méthode semiempirique</term>
<term>Niveau énergie</term>
<term>Facteur g</term>
<term>Champ cristallin</term>
<term>Polycristal</term>
<term>7170C</term>
<term>7530C</term>
<term>Co0,5Ti2(PO4)3</term>
<term>Co O P Ti</term>
</keywords>
</textClass>
</profileDesc>
</teiHeader>
<front><div type="abstract" xml:lang="en">The optical (energy level scheme) and magnetic properties (paramagnetic susceptibility as a function of the temperature and g values) of the polycrystalline Co<sub>0.5</sub>
Ti<sub>2</sub>
(PO<sub>4</sub>
)<sub>3</sub>
were simultaneously reproduced by use of a crystal field theory involving a set of F<sup>k</sup>
,ζ, free ion, and B<sup>k</sup>
<sub>q</sub>
crystal field parameters. The crystal field parameters calculated from the structure are in fair agreement with the experimental ones and permit us to assign R32 as the space group of the crystal structure.</div>
</front>
</TEI>
<affiliations><list><country><li>France</li>
<li>Maroc</li>
</country>
<region><li>Aquitaine</li>
<li>Nouvelle-Aquitaine</li>
<li>Île-de-France</li>
</region>
<settlement><li>Paris</li>
<li>Pessac</li>
</settlement>
</list>
<tree><country name="France"><region name="Île-de-France"><name sortKey="Derouet, J" sort="Derouet, J" uniqKey="Derouet J" first="J." last="Derouet">J. Derouet</name>
</region>
<name sortKey="Beaury, L" sort="Beaury, L" uniqKey="Beaury L" first="L." last="Beaury">L. Beaury</name>
<name sortKey="Dance, J M" sort="Dance, J M" uniqKey="Dance J" first="J. M." last="Dance">J. M. Dance</name>
<name sortKey="Le Flem, G" sort="Le Flem, G" uniqKey="Le Flem G" first="G." last="Le Flem">G. Le Flem</name>
<name sortKey="Olazcuaga, R" sort="Olazcuaga, R" uniqKey="Olazcuaga R" first="R." last="Olazcuaga">R. Olazcuaga</name>
<name sortKey="Porcher, P" sort="Porcher, P" uniqKey="Porcher P" first="P." last="Porcher">P. Porcher</name>
</country>
<country name="Maroc"><noRegion><name sortKey="El Bouari, A" sort="El Bouari, A" uniqKey="El Bouari A" first="A." last="El Bouari">A. El Bouari</name>
</noRegion>
<name sortKey="El Jazouli, A" sort="El Jazouli, A" uniqKey="El Jazouli A" first="A." last="El Jazouli">A. El Jazouli</name>
</country>
</tree>
</affiliations>
</record>
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