CobaltMaghrebV1, PascalFrancis, Curation, bibRecord, 000063

Elaboration and characterization of glassy cobalt phosphomolybdates

Identifieur interne : 000063 ( PascalFrancis/Curation ); précédent : 000062; suivant : 000064

Elaboration and characterization of glassy cobalt phosphomolybdates

Auteurs : N. Mouhsine [Maroc] ; L. Bih [Maroc] ; N. Allali [Maroc] ; A. Nadiri [Maroc] ; A. Yacoubi [Maroc] ; M. Haddad [Maroc] ; M. Danot [France]

Source :

Solid state sciences [ 1293-2558 ] ; 2003.

RBID : Pascal:03-0309436

Descripteurs français

Pascal (Inist)
- Etude expérimentale, Préparation chimique, Spectre IR, Spectre RPE, Structure état amorphe, Verre, Système ternaire, Cobalt oxyde, Molybdène oxyde, Phosphore oxyde, 6143F, Système CoO MoO3 P2O5, Co Mo O P, Cobalt phosphomolybdate.
Wicri :
- topic : Verre.

English descriptors

KwdEn :
- Amorphous state structure, Chemical preparation, Cobalt oxides, EPR spectra, Experimental study, Glass, Infrared spectra, Molybdenum oxides, Phosphorus oxides, Ternary systems.

Abstract

Selecting two series of P₂O₅-based oxide glasses containing at the same time the MoO₃ and CoO oxides, an investigation of structural properties has been undertaken by infrared (IR) and electron paramagnetic resonance (EPR) spectroscopies. The structure of glasses inside the CoO-MoO₃-P₂O₅ system may be considered as made of several types of molybdenum and phosphorous structural groups, the ratios of which depend on composition. The EPR spectra of Mo(V) ions are characterized by the large anisotropy of g- and A-tensors along the local z axis. The values of the covalency parameters k∥ and k⊥ determined for some glasses are correlated to the axial distortion of (Mo^VO₆) octahedron along the z axis. EPR spectra carried out at lower temperatures show additional broad line near g 4 and a narrow one at g 2. The former is attributed to the HS form of cobalt(II) in octahedral site. The latter is associated with LS electron configuration of Co²⁺ ions andlor Mo⁵⁺ centers. The existence of Co²⁺ in octahedral environment in both HS and LS forms is interpreted in term of a spin-crossover for Co(II) in these glasses.

A01	`01`	`1`		`@0 1293-2558`
A03		`1`		`@0 Solid state sci.`
A05				`@2 5`
A06				`@2 4`
A08	`01`	`1`	`ENG`	`@1 Elaboration and characterization of glassy cobalt phosphomolybdates`
A11	`01`	`1`		`@1 MOUHSINE (N.)`
A11	`02`	`1`		`@1 BIH (L.)`
A11	`03`	`1`		`@1 ALLALI (N.)`
A11	`04`	`1`		`@1 NADIRI (A.)`
A11	`05`	`1`		`@1 YACOUBI (A.)`
A11	`06`	`1`		`@1 HADDAD (M.)`
A11	`07`	`1`		`@1 DANOT (M.)`
A14	`01`			`@1 Laboratoire de chimie minérale appliquée, FS-Meknès, B.P. 4010 @2 Beni M'hamed @3 MAR @Z 1 aut. @Z 3 aut. @Z 4 aut. @Z 5 aut.`
A14	`02`			`@1 Laboratoire de physico-chimie des matériaux, FST-Errachidia, B.P. 509 @2 Boutalamine @3 MAR @Z 2 aut.`
A14	`03`			`@1 Laboratoire de spectronomie physique, FS-Meknès, B.P. 4010 @2 Beni M'hamed @3 MAR @Z 6 aut.`
A14	`04`			`@1 Laboratoire de chimie des solides, institut des matériaux Jean Rouxel, UMR 6502, CNRS-Université de Nantes, 2, rue de la Houssinière, BP 32229 @2 44322 Nantes @3 FRA @Z 7 aut.`
A20				`@1 669-675`
A21				`@1 2003`
A23	`01`			`@0 ENG`
A43	`01`			`@1 INIST @2 11118 @5 354000111075630200`
A44				`@0 0000 @1 © 2003 INIST-CNRS. All rights reserved.`
A45				`@0 35 ref.`
A47	`01`	`1`		`@0 03-0309436`
A60				`@1 P`
A61				`@0 A`
A64	`01`	`1`		`@0 Solid state sciences`
A66	`01`			`@0 FRA`
C01	`01`		`ENG`	@0 Selecting two series of P₂O₅-based oxide glasses containing at the same time the MoO₃ and CoO oxides, an investigation of structural properties has been undertaken by infrared (IR) and electron paramagnetic resonance (EPR) spectroscopies. The structure of glasses inside the CoO-MoO₃-P₂O₅ system may be considered as made of several types of molybdenum and phosphorous structural groups, the ratios of which depend on composition. The EPR spectra of Mo(V) ions are characterized by the large anisotropy of g- and A-tensors along the local z axis. The values of the covalency parameters k∥ and k⊥ determined for some glasses are correlated to the axial distortion of (Mo^VO₆) octahedron along the z axis. EPR spectra carried out at lower temperatures show additional broad line near g 4 and a narrow one at g 2. The former is attributed to the HS form of cobalt(II) in octahedral site. The latter is associated with LS electron configuration of Co²⁺ ions andlor Mo⁵⁺ centers. The existence of Co²⁺ in octahedral environment in both HS and LS forms is interpreted in term of a spin-crossover for Co(II) in these glasses.
C02	`01`	`3`		`@0 001B60A43F`
C03	`01`	`3`	`FRE`	`@0 Etude expérimentale @5 01`
C03	`01`	`3`	`ENG`	`@0 Experimental study @5 01`
C03	`02`	`3`	`FRE`	`@0 Préparation chimique @5 02`
C03	`02`	`3`	`ENG`	`@0 Chemical preparation @5 02`
C03	`03`	`3`	`FRE`	`@0 Spectre IR @5 03`
C03	`03`	`3`	`ENG`	`@0 Infrared spectra @5 03`
C03	`04`	`3`	`FRE`	`@0 Spectre RPE @5 04`
C03	`04`	`3`	`ENG`	`@0 EPR spectra @5 04`
C03	`05`	`X`	`FRE`	`@0 Structure état amorphe @5 05`
C03	`05`	`X`	`ENG`	`@0 Amorphous state structure @5 05`
C03	`05`	`X`	`SPA`	`@0 Estructura estado amorfo @5 05`
C03	`06`	`3`	`FRE`	`@0 Verre @5 06`
C03	`06`	`3`	`ENG`	`@0 Glass @5 06`
C03	`07`	`3`	`FRE`	`@0 Système ternaire @5 07`
C03	`07`	`3`	`ENG`	`@0 Ternary systems @5 07`
C03	`08`	`3`	`FRE`	`@0 Cobalt oxyde @2 NK @5 09`
C03	`08`	`3`	`ENG`	`@0 Cobalt oxides @2 NK @5 09`
C03	`09`	`3`	`FRE`	`@0 Molybdène oxyde @2 NK @5 11`
C03	`09`	`3`	`ENG`	`@0 Molybdenum oxides @2 NK @5 11`
C03	`10`	`3`	`FRE`	`@0 Phosphore oxyde @2 NK @5 12`
C03	`10`	`3`	`ENG`	`@0 Phosphorus oxides @2 NK @5 12`
C03	`11`	`3`	`FRE`	`@0 6143F @2 PAC @4 INC @5 56`
C03	`12`	`3`	`FRE`	`@0 Système CoO MoO3 P2O5 @4 INC @5 92`
C03	`13`	`3`	`FRE`	`@0 Co Mo O P @4 INC @5 93`
C03	`14`	`3`	`FRE`	`@0 Cobalt phosphomolybdate @2 NK @4 INC @5 94`
C07	`01`	`3`	`FRE`	`@0 Oxyde @5 08`
C07	`01`	`3`	`ENG`	`@0 Oxides @5 08`
C07	`02`	`3`	`FRE`	`@0 Métal transition composé @5 10`
C07	`02`	`3`	`ENG`	`@0 Transition element compounds @5 10`
C07	`03`	`3`	`FRE`	`@0 Composé minéral @5 13`
C07	`03`	`3`	`ENG`	`@0 Inorganic compounds @5 13`
C07	`04`	`3`	`FRE`	`@0 Phosphate @2 NA @5 14`
C07	`04`	`3`	`ENG`	`@0 Phosphates @2 NA @5 14`
C07	`05`	`3`	`FRE`	`@0 Molybdate @2 NA @5 15`
C07	`05`	`3`	`ENG`	`@0 Molybdates @2 NA @5 15`
N21				`@1 209`
N82				`@1 PSI`

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Pascal:03-0309436

Le document en format XML

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<sourceDesc><biblStruct><analytic><title xml:lang="en" level="a">Elaboration and characterization of glassy cobalt phosphomolybdates</title>
<author><name sortKey="Mouhsine, N" sort="Mouhsine, N" uniqKey="Mouhsine N" first="N." last="Mouhsine">N. Mouhsine</name>
<affiliation wicri:level="1"><inist:fA14 i1="01"><s1>Laboratoire de chimie minérale appliquée, FS-Meknès, B.P. 4010</s1>
<s2>Beni M'hamed</s2>
<s3>MAR</s3>
<sZ>1 aut.</sZ>
<sZ>3 aut.</sZ>
<sZ>4 aut.</sZ>
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<country>Maroc</country>
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<author><name sortKey="Bih, L" sort="Bih, L" uniqKey="Bih L" first="L." last="Bih">L. Bih</name>
<affiliation wicri:level="1"><inist:fA14 i1="02"><s1>Laboratoire de physico-chimie des matériaux, FST-Errachidia, B.P. 509</s1>
<s2>Boutalamine</s2>
<s3>MAR</s3>
<sZ>2 aut.</sZ>
</inist:fA14>
<country>Maroc</country>
</affiliation>
</author>
<author><name sortKey="Allali, N" sort="Allali, N" uniqKey="Allali N" first="N." last="Allali">N. Allali</name>
<affiliation wicri:level="1"><inist:fA14 i1="01"><s1>Laboratoire de chimie minérale appliquée, FS-Meknès, B.P. 4010</s1>
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<s3>MAR</s3>
<sZ>1 aut.</sZ>
<sZ>3 aut.</sZ>
<sZ>4 aut.</sZ>
<sZ>5 aut.</sZ>
</inist:fA14>
<country>Maroc</country>
</affiliation>
</author>
<author><name sortKey="Nadiri, A" sort="Nadiri, A" uniqKey="Nadiri A" first="A." last="Nadiri">A. Nadiri</name>
<affiliation wicri:level="1"><inist:fA14 i1="01"><s1>Laboratoire de chimie minérale appliquée, FS-Meknès, B.P. 4010</s1>
<s2>Beni M'hamed</s2>
<s3>MAR</s3>
<sZ>1 aut.</sZ>
<sZ>3 aut.</sZ>
<sZ>4 aut.</sZ>
<sZ>5 aut.</sZ>
</inist:fA14>
<country>Maroc</country>
</affiliation>
</author>
<author><name sortKey="Yacoubi, A" sort="Yacoubi, A" uniqKey="Yacoubi A" first="A." last="Yacoubi">A. Yacoubi</name>
<affiliation wicri:level="1"><inist:fA14 i1="01"><s1>Laboratoire de chimie minérale appliquée, FS-Meknès, B.P. 4010</s1>
<s2>Beni M'hamed</s2>
<s3>MAR</s3>
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<sZ>3 aut.</sZ>
<sZ>4 aut.</sZ>
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<author><name sortKey="Haddad, M" sort="Haddad, M" uniqKey="Haddad M" first="M." last="Haddad">M. Haddad</name>
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<s2>Beni M'hamed</s2>
<s3>MAR</s3>
<sZ>6 aut.</sZ>
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<country>Maroc</country>
</affiliation>
</author>
<author><name sortKey="Danot, M" sort="Danot, M" uniqKey="Danot M" first="M." last="Danot">M. Danot</name>
<affiliation wicri:level="1"><inist:fA14 i1="04"><s1>Laboratoire de chimie des solides, institut des matériaux Jean Rouxel, UMR 6502, CNRS-Université de Nantes, 2, rue de la Houssinière, BP 32229</s1>
<s2>44322 Nantes</s2>
<s3>FRA</s3>
<sZ>7 aut.</sZ>
</inist:fA14>
<country>France</country>
</affiliation>
</author>
</analytic>
<series><title level="j" type="main">Solid state sciences</title>
<title level="j" type="abbreviated">Solid state sci.</title>
<idno type="ISSN">1293-2558</idno>
<imprint><date when="2003">2003</date>
</imprint>
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<title level="j" type="abbreviated">Solid state sci.</title>
<idno type="ISSN">1293-2558</idno>
</seriesStmt>
</fileDesc>
<profileDesc><textClass><keywords scheme="KwdEn" xml:lang="en"><term>Amorphous state structure</term>
<term>Chemical preparation</term>
<term>Cobalt oxides</term>
<term>EPR spectra</term>
<term>Experimental study</term>
<term>Glass</term>
<term>Infrared spectra</term>
<term>Molybdenum oxides</term>
<term>Phosphorus oxides</term>
<term>Ternary systems</term>
</keywords>
<keywords scheme="Pascal" xml:lang="fr"><term>Etude expérimentale</term>
<term>Préparation chimique</term>
<term>Spectre IR</term>
<term>Spectre RPE</term>
<term>Structure état amorphe</term>
<term>Verre</term>
<term>Système ternaire</term>
<term>Cobalt oxyde</term>
<term>Molybdène oxyde</term>
<term>Phosphore oxyde</term>
<term>6143F</term>
<term>Système CoO MoO3 P2O5</term>
<term>Co Mo O P</term>
<term>Cobalt phosphomolybdate</term>
</keywords>
<keywords scheme="Wicri" type="topic" xml:lang="fr"><term>Verre</term>
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<front><div type="abstract" xml:lang="en">Selecting two series of P<sub>2</sub>
O<sub>5</sub>
-based oxide glasses containing at the same time the MoO<sub>3</sub>
 and CoO oxides, an investigation of structural properties has been undertaken by infrared (IR) and electron paramagnetic resonance (EPR) spectroscopies. The structure of glasses inside the CoO-MoO<sub>3</sub>
-P<sub>2</sub>
O<sub>5</sub>
 system may be considered as made of several types of molybdenum and phosphorous structural groups, the ratios of which depend on composition. The EPR spectra of Mo(V) ions are characterized by the large anisotropy of g- and A-tensors along the local z axis. The values of the covalency parameters k∥ and k⊥ determined for some glasses are correlated to the axial distortion of (Mo<sup>V</sup>
O<sub>6</sub>
) octahedron along the z axis. EPR spectra carried out at lower temperatures show additional broad line near g  4 and a narrow one at g  2. The former is attributed to the HS form of cobalt(II) in octahedral site. The latter is associated with LS electron configuration of Co<sup>2+</sup>
 ions andlor Mo<sup>5+</sup>
 centers. The existence of Co<sup>2+</sup>
 in octahedral environment in both HS and LS forms is interpreted in term of a spin-crossover for Co(II) in these glasses.</div>
</front>
</TEI>
<inist><standard h6="B"><pA><fA01 i1="01" i2="1"><s0>1293-2558</s0>
</fA01>
<fA03 i2="1"><s0>Solid state sci.</s0>
</fA03>
<fA05><s2>5</s2>
</fA05>
<fA06><s2>4</s2>
</fA06>
<fA08 i1="01" i2="1" l="ENG"><s1>Elaboration and characterization of glassy cobalt phosphomolybdates</s1>
</fA08>
<fA11 i1="01" i2="1"><s1>MOUHSINE (N.)</s1>
</fA11>
<fA11 i1="02" i2="1"><s1>BIH (L.)</s1>
</fA11>
<fA11 i1="03" i2="1"><s1>ALLALI (N.)</s1>
</fA11>
<fA11 i1="04" i2="1"><s1>NADIRI (A.)</s1>
</fA11>
<fA11 i1="05" i2="1"><s1>YACOUBI (A.)</s1>
</fA11>
<fA11 i1="06" i2="1"><s1>HADDAD (M.)</s1>
</fA11>
<fA11 i1="07" i2="1"><s1>DANOT (M.)</s1>
</fA11>
<fA14 i1="01"><s1>Laboratoire de chimie minérale appliquée, FS-Meknès, B.P. 4010</s1>
<s2>Beni M'hamed</s2>
<s3>MAR</s3>
<sZ>1 aut.</sZ>
<sZ>3 aut.</sZ>
<sZ>4 aut.</sZ>
<sZ>5 aut.</sZ>
</fA14>
<fA14 i1="02"><s1>Laboratoire de physico-chimie des matériaux, FST-Errachidia, B.P. 509</s1>
<s2>Boutalamine</s2>
<s3>MAR</s3>
<sZ>2 aut.</sZ>
</fA14>
<fA14 i1="03"><s1>Laboratoire de spectronomie physique, FS-Meknès, B.P. 4010</s1>
<s2>Beni M'hamed</s2>
<s3>MAR</s3>
<sZ>6 aut.</sZ>
</fA14>
<fA14 i1="04"><s1>Laboratoire de chimie des solides, institut des matériaux Jean Rouxel, UMR 6502, CNRS-Université de Nantes, 2, rue de la Houssinière, BP 32229</s1>
<s2>44322 Nantes</s2>
<s3>FRA</s3>
<sZ>7 aut.</sZ>
</fA14>
<fA20><s1>669-675</s1>
</fA20>
<fA21><s1>2003</s1>
</fA21>
<fA23 i1="01"><s0>ENG</s0>
</fA23>
<fA43 i1="01"><s1>INIST</s1>
<s2>11118</s2>
<s5>354000111075630200</s5>
</fA43>
<fA44><s0>0000</s0>
<s1>© 2003 INIST-CNRS. All rights reserved.</s1>
</fA44>
<fA45><s0>35 ref.</s0>
</fA45>
<fA47 i1="01" i2="1"><s0>03-0309436</s0>
</fA47>
<fA60><s1>P</s1>
</fA60>
<fA61><s0>A</s0>
</fA61>
<fA64 i1="01" i2="1"><s0>Solid state sciences</s0>
</fA64>
<fA66 i1="01"><s0>FRA</s0>
</fA66>
<fC01 i1="01" l="ENG"><s0>Selecting two series of P<sub>2</sub>
O<sub>5</sub>
-based oxide glasses containing at the same time the MoO<sub>3</sub>
 and CoO oxides, an investigation of structural properties has been undertaken by infrared (IR) and electron paramagnetic resonance (EPR) spectroscopies. The structure of glasses inside the CoO-MoO<sub>3</sub>
-P<sub>2</sub>
O<sub>5</sub>
 system may be considered as made of several types of molybdenum and phosphorous structural groups, the ratios of which depend on composition. The EPR spectra of Mo(V) ions are characterized by the large anisotropy of g- and A-tensors along the local z axis. The values of the covalency parameters k∥ and k⊥ determined for some glasses are correlated to the axial distortion of (Mo<sup>V</sup>
O<sub>6</sub>
) octahedron along the z axis. EPR spectra carried out at lower temperatures show additional broad line near g  4 and a narrow one at g  2. The former is attributed to the HS form of cobalt(II) in octahedral site. The latter is associated with LS electron configuration of Co<sup>2+</sup>
 ions andlor Mo<sup>5+</sup>
 centers. The existence of Co<sup>2+</sup>
 in octahedral environment in both HS and LS forms is interpreted in term of a spin-crossover for Co(II) in these glasses.</s0>
</fC01>
<fC02 i1="01" i2="3"><s0>001B60A43F</s0>
</fC02>
<fC03 i1="01" i2="3" l="FRE"><s0>Etude expérimentale</s0>
<s5>01</s5>
</fC03>
<fC03 i1="01" i2="3" l="ENG"><s0>Experimental study</s0>
<s5>01</s5>
</fC03>
<fC03 i1="02" i2="3" l="FRE"><s0>Préparation chimique</s0>
<s5>02</s5>
</fC03>
<fC03 i1="02" i2="3" l="ENG"><s0>Chemical preparation</s0>
<s5>02</s5>
</fC03>
<fC03 i1="03" i2="3" l="FRE"><s0>Spectre IR</s0>
<s5>03</s5>
</fC03>
<fC03 i1="03" i2="3" l="ENG"><s0>Infrared spectra</s0>
<s5>03</s5>
</fC03>
<fC03 i1="04" i2="3" l="FRE"><s0>Spectre RPE</s0>
<s5>04</s5>
</fC03>
<fC03 i1="04" i2="3" l="ENG"><s0>EPR spectra</s0>
<s5>04</s5>
</fC03>
<fC03 i1="05" i2="X" l="FRE"><s0>Structure état amorphe</s0>
<s5>05</s5>
</fC03>
<fC03 i1="05" i2="X" l="ENG"><s0>Amorphous state structure</s0>
<s5>05</s5>
</fC03>
<fC03 i1="05" i2="X" l="SPA"><s0>Estructura estado amorfo</s0>
<s5>05</s5>
</fC03>
<fC03 i1="06" i2="3" l="FRE"><s0>Verre</s0>
<s5>06</s5>
</fC03>
<fC03 i1="06" i2="3" l="ENG"><s0>Glass</s0>
<s5>06</s5>
</fC03>
<fC03 i1="07" i2="3" l="FRE"><s0>Système ternaire</s0>
<s5>07</s5>
</fC03>
<fC03 i1="07" i2="3" l="ENG"><s0>Ternary systems</s0>
<s5>07</s5>
</fC03>
<fC03 i1="08" i2="3" l="FRE"><s0>Cobalt oxyde</s0>
<s2>NK</s2>
<s5>09</s5>
</fC03>
<fC03 i1="08" i2="3" l="ENG"><s0>Cobalt oxides</s0>
<s2>NK</s2>
<s5>09</s5>
</fC03>
<fC03 i1="09" i2="3" l="FRE"><s0>Molybdène oxyde</s0>
<s2>NK</s2>
<s5>11</s5>
</fC03>
<fC03 i1="09" i2="3" l="ENG"><s0>Molybdenum oxides</s0>
<s2>NK</s2>
<s5>11</s5>
</fC03>
<fC03 i1="10" i2="3" l="FRE"><s0>Phosphore oxyde</s0>
<s2>NK</s2>
<s5>12</s5>
</fC03>
<fC03 i1="10" i2="3" l="ENG"><s0>Phosphorus oxides</s0>
<s2>NK</s2>
<s5>12</s5>
</fC03>
<fC03 i1="11" i2="3" l="FRE"><s0>6143F</s0>
<s2>PAC</s2>
<s4>INC</s4>
<s5>56</s5>
</fC03>
<fC03 i1="12" i2="3" l="FRE"><s0>Système CoO MoO3 P2O5</s0>
<s4>INC</s4>
<s5>92</s5>
</fC03>
<fC03 i1="13" i2="3" l="FRE"><s0>Co Mo O P</s0>
<s4>INC</s4>
<s5>93</s5>
</fC03>
<fC03 i1="14" i2="3" l="FRE"><s0>Cobalt phosphomolybdate</s0>
<s2>NK</s2>
<s4>INC</s4>
<s5>94</s5>
</fC03>
<fC07 i1="01" i2="3" l="FRE"><s0>Oxyde</s0>
<s5>08</s5>
</fC07>
<fC07 i1="01" i2="3" l="ENG"><s0>Oxides</s0>
<s5>08</s5>
</fC07>
<fC07 i1="02" i2="3" l="FRE"><s0>Métal transition composé</s0>
<s5>10</s5>
</fC07>
<fC07 i1="02" i2="3" l="ENG"><s0>Transition element compounds</s0>
<s5>10</s5>
</fC07>
<fC07 i1="03" i2="3" l="FRE"><s0>Composé minéral</s0>
<s5>13</s5>
</fC07>
<fC07 i1="03" i2="3" l="ENG"><s0>Inorganic compounds</s0>
<s5>13</s5>
</fC07>
<fC07 i1="04" i2="3" l="FRE"><s0>Phosphate</s0>
<s2>NA</s2>
<s5>14</s5>
</fC07>
<fC07 i1="04" i2="3" l="ENG"><s0>Phosphates</s0>
<s2>NA</s2>
<s5>14</s5>
</fC07>
<fC07 i1="05" i2="3" l="FRE"><s0>Molybdate</s0>
<s2>NA</s2>
<s5>15</s5>
</fC07>
<fC07 i1="05" i2="3" l="ENG"><s0>Molybdates</s0>
<s2>NA</s2>
<s5>15</s5>
</fC07>
<fN21><s1>209</s1>
</fN21>
<fN82><s1>PSI</s1>
</fN82>
</pA>
</standard>
</inist>
</record>

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	Serveur d'exploration sur le cobalt au Maghreb
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Elaboration and characterization of glassy cobalt phosphomolybdates

Elaboration and characterization of glassy cobalt phosphomolybdates

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