Synthesis, crystal structure and spectroscopy properties of Na3AZr(PO4)3 (A = Mg, Ni) and Li2.6Na0.4NiZr(PO4)3 phosphates
Identifieur interne : 000704 ( Main/Exploration ); précédent : 000703; suivant : 000705Synthesis, crystal structure and spectroscopy properties of Na3AZr(PO4)3 (A = Mg, Ni) and Li2.6Na0.4NiZr(PO4)3 phosphates
Auteurs : M. Chakir [Maroc] ; A. El Jazouli [Maroc] ; D. De Waal [Afrique du Sud]Source :
- Journal of solid state chemistry : (Print) [ 0022-4596 ] ; 2006.
Descripteurs français
- Pascal (Inist)
- Etude expérimentale, Coprécipitation, Diffraction RX, Affinement, Spectre Raman, Réflexion diffuse, Mode vibration, Structure cristalline, Conducteur superionique, Lithium phosphate, Nickel phosphate, Sodium phosphate, Magnésium phosphate, Zirconium phosphate, Composé n éléments, Na3MgZr(PO4)3, Mg Na O P Zr, Na3NiZr(PO4)3, Na Ni O P Zr, 6166F, 7830H, Li2,6Na0,4NiZr(PO4)3, Li Na Ni O P Zr.
English descriptors
- KwdEn :
Abstract
Na3AZr(PO4)3 (A = Mg, Ni) phosphates were prepared at 750 °C by coprecipitation route. Their crystal structures have been refined at room temperature from X-ray powder diffraction data using Rietveld method. Li2.6Na0.4NiZr(PO4)3 was synthesized through ion exchange from the sodium analog. These materials belong to the Nasicon-type structure. Raman spectra of Na3AZr(PO4)3 (A = Mg, Ni) phosphates present broad peaks in favor of the statistical distribution in the sites around PO4 tetrahedra. Diffuse reflectance spectra indicate the presence of octahedrally coordinated Ni2+ ions.
Affiliations:
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El Jazouli</name><affiliation wicri:level="1"><inist:fA14 i1="01"><s1>LCMS, UFR Sciences des Matériaux Solides, Faculté des Sciences Ben M'Sik, UH2M, Avenue Idriss El Harti, BP 7955</s1><s2>Casablanca</s2><s3>MAR</s3><sZ>1 aut.</sZ><sZ>2 aut.</sZ></inist:fA14><country>Maroc</country><wicri:noRegion>Casablanca</wicri:noRegion></affiliation></author><author><name sortKey="De Waal, D" sort="De Waal, D" uniqKey="De Waal D" first="D." last="De Waal">D. De Waal</name><affiliation wicri:level="1"><inist:fA14 i1="02"><s1>Department of Chemistry, University of Pretoria</s1><s2>0002 Pretoria</s2><s3>ZAF</s3><sZ>3 aut.</sZ></inist:fA14><country>Afrique du Sud</country><wicri:noRegion>0002 Pretoria</wicri:noRegion></affiliation></author></titleStmt><publicationStmt><idno type="wicri:source">INIST</idno><idno type="inist">06-0356853</idno><date when="2006">2006</date><idno type="stanalyst">PASCAL 06-0356853 INIST</idno><idno type="RBID">Pascal:06-0356853</idno><idno type="wicri:Area/PascalFrancis/Corpus">000279</idno><idno type="wicri:Area/PascalFrancis/Curation">000162</idno><idno type="wicri:Area/PascalFrancis/Checkpoint">000264</idno><idno type="wicri:explorRef" wicri:stream="PascalFrancis" wicri:step="Checkpoint">000264</idno><idno type="wicri:doubleKey">0022-4596:2006:Chakir M:synthesis:crystal:structure</idno><idno type="wicri:Area/Main/Merge">000723</idno><idno type="wicri:Area/Main/Curation">000704</idno><idno type="wicri:Area/Main/Exploration">000704</idno></publicationStmt><sourceDesc><biblStruct><analytic><title xml:lang="en" level="a">Synthesis, crystal structure and spectroscopy properties of Na<sub>3</sub>AZr(PO<sub>4</sub>)<sub>3</sub> (A = Mg, Ni) and Li<sub>2.6</sub>Na<sub>0.4</sub>NiZr(PO<sub>4</sub>)<sub>3</sub> phosphates</title><author><name sortKey="Chakir, M" sort="Chakir, M" uniqKey="Chakir M" first="M." last="Chakir">M. Chakir</name><affiliation wicri:level="1"><inist:fA14 i1="01"><s1>LCMS, UFR Sciences des Matériaux Solides, Faculté des Sciences Ben M'Sik, UH2M, Avenue Idriss El Harti, BP 7955</s1><s2>Casablanca</s2><s3>MAR</s3><sZ>1 aut.</sZ><sZ>2 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="01"><s1>LCMS, UFR Sciences des Matériaux Solides, Faculté des Sciences Ben M'Sik, UH2M, Avenue Idriss El Harti, BP 7955</s1><s2>Casablanca</s2><s3>MAR</s3><sZ>1 aut.</sZ><sZ>2 aut.</sZ></inist:fA14><country>Maroc</country><wicri:noRegion>Casablanca</wicri:noRegion></affiliation></author><author><name sortKey="De Waal, D" sort="De Waal, D" uniqKey="De Waal D" first="D." last="De Waal">D. De Waal</name><affiliation wicri:level="1"><inist:fA14 i1="02"><s1>Department of Chemistry, University of Pretoria</s1><s2>0002 Pretoria</s2><s3>ZAF</s3><sZ>3 aut.</sZ></inist:fA14><country>Afrique du Sud</country><wicri:noRegion>0002 Pretoria</wicri:noRegion></affiliation></author></analytic><series><title level="j" type="main">Journal of solid state chemistry : (Print)</title><title level="j" type="abbreviated">J. solid state chem. : (Print)</title><idno type="ISSN">0022-4596</idno><imprint><date when="2006">2006</date></imprint></series></biblStruct></sourceDesc><seriesStmt><title level="j" type="main">Journal of solid state chemistry : (Print)</title><title level="j" type="abbreviated">J. solid state chem. : (Print)</title><idno type="ISSN">0022-4596</idno></seriesStmt></fileDesc><profileDesc><textClass><keywords scheme="KwdEn" xml:lang="en"><term>Coprecipitation</term><term>Crystal structure</term><term>Diffuse reflection</term><term>Experimental study</term><term>Lithium phosphates</term><term>Magnesium phosphates</term><term>Multi-element compounds</term><term>Nickel phosphates</term><term>Raman spectra</term><term>Refinement</term><term>Sodium phosphates</term><term>Superionic conductors</term><term>Vibrational modes</term><term>XRD</term><term>Zirconium phosphates</term></keywords><keywords scheme="Pascal" xml:lang="fr"><term>Etude expérimentale</term><term>Coprécipitation</term><term>Diffraction RX</term><term>Affinement</term><term>Spectre Raman</term><term>Réflexion diffuse</term><term>Mode vibration</term><term>Structure cristalline</term><term>Conducteur superionique</term><term>Lithium phosphate</term><term>Nickel phosphate</term><term>Sodium phosphate</term><term>Magnésium phosphate</term><term>Zirconium phosphate</term><term>Composé n éléments</term><term>Na3MgZr(PO4)3</term><term>Mg Na O P Zr</term><term>Na3NiZr(PO4)3</term><term>Na Ni O P Zr</term><term>6166F</term><term>7830H</term><term>Li2,6Na0,4NiZr(PO4)3</term><term>Li Na Ni O P Zr</term></keywords></textClass></profileDesc></teiHeader><front><div type="abstract" xml:lang="en">Na<sub>3</sub>AZr(PO<sub>4</sub>)<sub>3</sub> (A = Mg, Ni) phosphates were prepared at 750 °C by coprecipitation route. Their crystal structures have been refined at room temperature from X-ray powder diffraction data using Rietveld method. Li<sub>2.6</sub>Na<sub>0.4</sub>NiZr(PO<sub>4</sub>)<sub>3</sub> was synthesized through ion exchange from the sodium analog. These materials belong to the Nasicon-type structure. Raman spectra of Na<sub>3</sub>AZr(PO<sub>4</sub>)<sub>3</sub> (A = Mg, Ni) phosphates present broad peaks in favor of the statistical distribution in the sites around PO<sub>4</sub> tetrahedra. Diffuse reflectance spectra indicate the presence of octahedrally coordinated Ni<sup>2+</sup> ions.</div></front></TEI><affiliations><list><country><li>Afrique du Sud</li><li>Maroc</li></country></list><tree><country name="Maroc"><noRegion><name sortKey="Chakir, M" sort="Chakir, M" uniqKey="Chakir M" first="M." last="Chakir">M. Chakir</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><country name="Afrique du Sud"><noRegion><name sortKey="De Waal, D" sort="De Waal, D" uniqKey="De Waal D" first="D." last="De Waal">D. De Waal</name></noRegion></country></tree></affiliations></record>Pour manipuler ce document sous Unix (Dilib)
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