A new nasicon-type phosphate Co0.5Ti2(PO4)3 : I. Elaboration, optical and magnetic properties
Identifieur interne : 000E53 ( Main/Merge ); précédent : 000E52; suivant : 000E54A new nasicon-type phosphate Co0.5Ti2(PO4)3 : I. Elaboration, optical and magnetic properties
Auteurs : R. Olazcuaga [France] ; J. M. Dance [France] ; G. Le Flem [France] ; J. Derouet [France] ; L. Beaury [France] ; P. Porcher [France] ; A. El Bouari [Maroc] ; A. El Jazouli [Maroc]Source :
- Journal of solid state chemistry [ 0022-4596 ] ; 1999.
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Abstract
A new cobalt titanium monophosphate has been prepared by low temperature method. It crystallizes with the Nasicon-type structure. The indexation of the X-ray diffraction pattern is consistent with the R3 or the R32 space groups. The atomic arrangement is a three-dimensional framework formed by PO4 tetrahedra sharing corners with TiO6 octahedra. Co2+ is located in half of the antiprism M(1) sites in a centered (R3) or off-centered (R32) position. The optical, EPR and magnetic data can account for a pure ionic Co-O bond.
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Pascal:99-0184869Le 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>
: I. Elaboration, optical and magnetic properties</title>
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<author><name sortKey="Le Flem, G" sort="Le Flem, G" uniqKey="Le Flem G" first="G." last="Le Flem">G. Le Flem</name>
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<author><name sortKey="El Bouari, A" sort="El Bouari, A" uniqKey="El Bouari A" first="A." last="El Bouari">A. El Bouari</name>
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<s2>Casablanca</s2>
<s3>MAR</s3>
<sZ>7 aut.</sZ>
<sZ>8 aut.</sZ>
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<country>Maroc</country>
<wicri:noRegion>Casablanca</wicri:noRegion>
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</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>Laboratoire de Chimie des Matériaux Solides. Département de Chimie, Faculté des Sciences Ben M'Sik, Sidi Othmane, BP 6621</s1>
<s2>Casablanca</s2>
<s3>MAR</s3>
<sZ>7 aut.</sZ>
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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>
: I. Elaboration, optical and magnetic properties</title>
<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="01"><s1>Institut de Chimie de la Matière Condensée de Bordeaux, CNRS - UPR 9048, 87, Avenue du Dr. A. Schweitzer</s1>
<s2>33608 Pessac</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">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>
<affiliation wicri:level="3"><inist:fA14 i1="01"><s1>Institut de Chimie de la Matière Condensée de Bordeaux, CNRS - UPR 9048, 87, Avenue du Dr. A. Schweitzer</s1>
<s2>33608 Pessac</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">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="01"><s1>Institut de Chimie de la Matière Condensée de Bordeaux, CNRS - UPR 9048, 87, Avenue du Dr. A. Schweitzer</s1>
<s2>33608 Pessac</s2>
<s3>FRA</s3>
<sZ>1 aut.</sZ>
<sZ>2 aut.</sZ>
<sZ>3 aut.</sZ>
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<placeName><region type="region" nuts="2">Nouvelle-Aquitaine</region>
<region type="old region" nuts="2">Aquitaine</region>
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</placeName>
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<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="02"><s1>Laboratoire de Chimie Métallurgique et Spectroscopie des Terres Rares, CNRS - UPR 209, 1, Place Aristide Briand</s1>
<s2>92195 Meudon</s2>
<s3>FRA</s3>
<sZ>4 aut.</sZ>
<sZ>5 aut.</sZ>
<sZ>6 aut.</sZ>
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<country>France</country>
<placeName><region type="region" nuts="2">Île-de-France</region>
<settlement type="city">Meudon</settlement>
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<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="02"><s1>Laboratoire de Chimie Métallurgique et Spectroscopie des Terres Rares, CNRS - UPR 209, 1, Place Aristide Briand</s1>
<s2>92195 Meudon</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">Île-de-France</region>
<settlement type="city">Meudon</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="02"><s1>Laboratoire de Chimie Métallurgique et Spectroscopie des Terres Rares, CNRS - UPR 209, 1, Place Aristide Briand</s1>
<s2>92195 Meudon</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">Île-de-France</region>
<settlement type="city">Meudon</settlement>
</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>Laboratoire de Chimie des Matériaux Solides. Département de Chimie, Faculté des Sciences Ben 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>Laboratoire de Chimie des Matériaux Solides. Département de Chimie, Faculté des Sciences Ben 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>
</series>
</biblStruct>
</sourceDesc>
<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>Absorption spectra</term>
<term>Cobalt phosphates</term>
<term>Crystal field</term>
<term>Crystal structure</term>
<term>ESR</term>
<term>Experimental study</term>
<term>Magnetic properties</term>
<term>Quaternary compounds</term>
<term>Titanium phosphates</term>
</keywords>
<keywords scheme="Pascal" xml:lang="fr"><term>Etude expérimentale</term>
<term>Structure cristalline</term>
<term>RPE</term>
<term>Champ cristallin</term>
<term>Spectre absorption</term>
<term>Cobalt phosphate</term>
<term>Titane phosphate</term>
<term>Composé quaternaire</term>
<term>Propriété magnétique</term>
<term>7630</term>
<term>7530</term>
<term>6166F</term>
<term>Co0,5Ti2(PO4)3</term>
<term>Co O P Ti</term>
</keywords>
</textClass>
</profileDesc>
</teiHeader>
<front><div type="abstract" xml:lang="en">A new cobalt titanium monophosphate has been prepared by low temperature method. It crystallizes with the Nasicon-type structure. The indexation of the X-ray diffraction pattern is consistent with the R3 or the R32 space groups. The atomic arrangement is a three-dimensional framework formed by PO<sub>4</sub>
tetrahedra sharing corners with TiO<sub>6</sub>
octahedra. Co<sup>2+</sup>
is located in half of the antiprism M(1) sites in a centered (R3) or off-centered (R32) position. The optical, EPR and magnetic data can account for a pure ionic Co-O bond.</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>Meudon</li>
<li>Pessac</li>
</settlement>
</list>
<tree><country name="France"><region name="Nouvelle-Aquitaine"><name sortKey="Olazcuaga, R" sort="Olazcuaga, R" uniqKey="Olazcuaga R" first="R." last="Olazcuaga">R. Olazcuaga</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="Derouet, J" sort="Derouet, J" uniqKey="Derouet J" first="J." last="Derouet">J. Derouet</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="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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