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Structure and Na+ ion conductivity inside double phosphates of Na8-2xM2+4+x(P2O7)4 formulation (M=Mn, Co and Ni)

Identifieur interne : 000312 ( PascalFrancis/Checkpoint ); précédent : 000311; suivant : 000313

Structure and Na+ ion conductivity inside double phosphates of Na8-2xM2+4+x(P2O7)4 formulation (M=Mn, Co and Ni)

Auteurs : N. Dridi [Maroc] ; A. Boukhari [Maroc] ; J. M. Reau [France] ; E. M. Holt [États-Unis]

Source :

RBID : Pascal:98-0169809

Descripteurs français

English descriptors

Abstract

Investigation of electrical properties inside double phosphates Na8-2xM2+4+x(P2O7)4 containing simultaneously the Na+ ion and a divalent cation (M2+=Mn2+, Co2+, Ni2+) is undertaken by impedance spectroscopy. Ionic conductivity in these materials is due to Na+ ion mobility in tunnels along the c-axis centred on the (0,0,0) position. The best performance are obtained for the Co-phase. Correlations between structure and electrical properties are established.


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Pascal:98-0169809

Le document en format XML

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<title xml:lang="en" level="a">Structure and Na
<sup>+</sup>
ion conductivity inside double phosphates of Na
<sub>8-2x</sub>
M
<sup>2+</sup>
<sub>4+x</sub>
(P
<sub>2</sub>
O
<sub>7</sub>
)
<sub>4</sub>
formulation (M=Mn, Co and Ni)</title>
<author>
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<s3>MAR</s3>
<sZ>1 aut.</sZ>
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<title xml:lang="en" level="a">Structure and Na
<sup>+</sup>
ion conductivity inside double phosphates of Na
<sub>8-2x</sub>
M
<sup>2+</sup>
<sub>4+x</sub>
(P
<sub>2</sub>
O
<sub>7</sub>
)
<sub>4</sub>
formulation (M=Mn, Co and Ni)</title>
<author>
<name sortKey="Dridi, N" sort="Dridi, N" uniqKey="Dridi N" first="N." last="Dridi">N. Dridi</name>
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<s3>MAR</s3>
<sZ>1 aut.</sZ>
<sZ>2 aut.</sZ>
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<country>Maroc</country>
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<sZ>1 aut.</sZ>
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<sZ>3 aut.</sZ>
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<sZ>4 aut.</sZ>
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<country>États-Unis</country>
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<keywords scheme="KwdEn" xml:lang="en">
<term>Carrier density</term>
<term>Chemical composition</term>
<term>Cobalt phosphates</term>
<term>Crystal structure</term>
<term>Crystallographic site</term>
<term>Electric impedance</term>
<term>Experimental study</term>
<term>Frequency dependence</term>
<term>Hopping conductivity</term>
<term>Ion mobility</term>
<term>Ionic conductivity</term>
<term>Manganese phosphates</term>
<term>Nickel phosphates</term>
<term>Quaternary compounds</term>
<term>Sodium phosphates</term>
<term>Tunnel effect</term>
</keywords>
<keywords scheme="Pascal" xml:lang="fr">
<term>Conductivité ionique</term>
<term>Mobilité ion</term>
<term>Effet tunnel</term>
<term>Impédance électrique</term>
<term>Structure cristalline</term>
<term>Site cristallographique</term>
<term>Dépendance fréquence</term>
<term>Densité porteur charge</term>
<term>Conductivité saut</term>
<term>Sodium phosphate</term>
<term>Manganèse phosphate</term>
<term>Cobalt phosphate</term>
<term>Nickel phosphate</term>
<term>Composé quaternaire</term>
<term>Composition chimique</term>
<term>Etude expérimentale</term>
<term>Ca Na O P</term>
<term>Na8-2xNi4+x(P2O7)4</term>
<term>Na Ni O P</term>
<term>6630H</term>
<term>Impédance complexe</term>
<term>Na8-2xMn4+x(P2O7)4</term>
<term>Mn Na O P</term>
<term>Na8-2xCo4+x(P2O7)4</term>
</keywords>
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<front>
<div type="abstract" xml:lang="en">Investigation of electrical properties inside double phosphates Na
<sub>8-2x</sub>
M
<sup>2+</sup>
<sub>4+x</sub>
(P
<sub>2</sub>
O
<sub>7</sub>
)
<sub>4</sub>
containing simultaneously the Na
<sup>+</sup>
ion and a divalent cation (M
<sup>2+</sup>
=Mn
<sup>2+</sup>
, Co
<sup>2+</sup>
, Ni
<sup>2+</sup>
) is undertaken by impedance spectroscopy. Ionic conductivity in these materials is due to Na
<sup>+</sup>
ion mobility in tunnels along the c-axis centred on the (0,0,0) position. The best performance are obtained for the Co-phase. Correlations between structure and electrical properties are established.</div>
</front>
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<s1>Structure and Na
<sup>+</sup>
ion conductivity inside double phosphates of Na
<sub>8-2x</sub>
M
<sup>2+</sup>
<sub>4+x</sub>
(P
<sub>2</sub>
O
<sub>7</sub>
)
<sub>4</sub>
formulation (M=Mn, Co and Ni)</s1>
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<s1>DRIDI (N.)</s1>
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<s1>REAU (J. M.)</s1>
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<s1>Laboratoire de Chimie du Solide Appliqué, Université Mohammed V, Av. Ibn Batouta, B.P. 1014</s1>
<s2>Rabat</s2>
<s3>MAR</s3>
<sZ>1 aut.</sZ>
<sZ>2 aut.</sZ>
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<s1>Institut de Chimie de la Matière Condensée de Bordeaux, 162 Av. Dr. A. Schweitzer</s1>
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<s3>FRA</s3>
<sZ>3 aut.</sZ>
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<fA14 i1="03">
<s1>Department of Chemistry, Oklahoma State University</s1>
<s2>Stillwater, OH 74078</s2>
<s3>USA</s3>
<sZ>4 aut.</sZ>
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<fC01 i1="01" l="ENG">
<s0>Investigation of electrical properties inside double phosphates Na
<sub>8-2x</sub>
M
<sup>2+</sup>
<sub>4+x</sub>
(P
<sub>2</sub>
O
<sub>7</sub>
)
<sub>4</sub>
containing simultaneously the Na
<sup>+</sup>
ion and a divalent cation (M
<sup>2+</sup>
=Mn
<sup>2+</sup>
, Co
<sup>2+</sup>
, Ni
<sup>2+</sup>
) is undertaken by impedance spectroscopy. Ionic conductivity in these materials is due to Na
<sup>+</sup>
ion mobility in tunnels along the c-axis centred on the (0,0,0) position. The best performance are obtained for the Co-phase. Correlations between structure and electrical properties are established.</s0>
</fC01>
<fC02 i1="01" i2="3">
<s0>001B60F30H</s0>
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<s0>Conductivité ionique</s0>
<s5>01</s5>
</fC03>
<fC03 i1="01" i2="3" l="ENG">
<s0>Ionic conductivity</s0>
<s5>01</s5>
</fC03>
<fC03 i1="02" i2="3" l="FRE">
<s0>Mobilité ion</s0>
<s5>02</s5>
</fC03>
<fC03 i1="02" i2="3" l="ENG">
<s0>Ion mobility</s0>
<s5>02</s5>
</fC03>
<fC03 i1="03" i2="3" l="FRE">
<s0>Effet tunnel</s0>
<s5>03</s5>
</fC03>
<fC03 i1="03" i2="3" l="ENG">
<s0>Tunnel effect</s0>
<s5>03</s5>
</fC03>
<fC03 i1="04" i2="3" l="FRE">
<s0>Impédance électrique</s0>
<s5>04</s5>
</fC03>
<fC03 i1="04" i2="3" l="ENG">
<s0>Electric impedance</s0>
<s5>04</s5>
</fC03>
<fC03 i1="05" i2="3" l="FRE">
<s0>Structure cristalline</s0>
<s5>05</s5>
</fC03>
<fC03 i1="05" i2="3" l="ENG">
<s0>Crystal structure</s0>
<s5>05</s5>
</fC03>
<fC03 i1="06" i2="X" l="FRE">
<s0>Site cristallographique</s0>
<s5>06</s5>
</fC03>
<fC03 i1="06" i2="X" l="ENG">
<s0>Crystallographic site</s0>
<s5>06</s5>
</fC03>
<fC03 i1="06" i2="X" l="SPA">
<s0>Sitio cristalográfico</s0>
<s5>06</s5>
</fC03>
<fC03 i1="07" i2="3" l="FRE">
<s0>Dépendance fréquence</s0>
<s5>07</s5>
</fC03>
<fC03 i1="07" i2="3" l="ENG">
<s0>Frequency dependence</s0>
<s5>07</s5>
</fC03>
<fC03 i1="08" i2="3" l="FRE">
<s0>Densité porteur charge</s0>
<s5>08</s5>
</fC03>
<fC03 i1="08" i2="3" l="ENG">
<s0>Carrier density</s0>
<s5>08</s5>
</fC03>
<fC03 i1="09" i2="X" l="FRE">
<s0>Conductivité saut</s0>
<s5>09</s5>
</fC03>
<fC03 i1="09" i2="X" l="ENG">
<s0>Hopping conductivity</s0>
<s5>09</s5>
</fC03>
<fC03 i1="09" i2="X" l="SPA">
<s0>Conductividad salto</s0>
<s5>09</s5>
</fC03>
<fC03 i1="10" i2="3" l="FRE">
<s0>Sodium phosphate</s0>
<s2>NK</s2>
<s5>10</s5>
</fC03>
<fC03 i1="10" i2="3" l="ENG">
<s0>Sodium phosphates</s0>
<s2>NK</s2>
<s5>10</s5>
</fC03>
<fC03 i1="11" i2="3" l="FRE">
<s0>Manganèse phosphate</s0>
<s2>NK</s2>
<s5>11</s5>
</fC03>
<fC03 i1="11" i2="3" l="ENG">
<s0>Manganese phosphates</s0>
<s2>NK</s2>
<s5>11</s5>
</fC03>
<fC03 i1="12" i2="3" l="FRE">
<s0>Cobalt phosphate</s0>
<s2>NK</s2>
<s5>12</s5>
</fC03>
<fC03 i1="12" i2="3" l="ENG">
<s0>Cobalt phosphates</s0>
<s2>NK</s2>
<s5>12</s5>
</fC03>
<fC03 i1="13" i2="3" l="FRE">
<s0>Nickel phosphate</s0>
<s2>NK</s2>
<s5>13</s5>
</fC03>
<fC03 i1="13" i2="3" l="ENG">
<s0>Nickel phosphates</s0>
<s2>NK</s2>
<s5>13</s5>
</fC03>
<fC03 i1="14" i2="3" l="FRE">
<s0>Composé quaternaire</s0>
<s5>14</s5>
</fC03>
<fC03 i1="14" i2="3" l="ENG">
<s0>Quaternary compounds</s0>
<s5>14</s5>
</fC03>
<fC03 i1="15" i2="3" l="FRE">
<s0>Composition chimique</s0>
<s5>15</s5>
</fC03>
<fC03 i1="15" i2="3" l="ENG">
<s0>Chemical composition</s0>
<s5>15</s5>
</fC03>
<fC03 i1="16" i2="3" l="FRE">
<s0>Etude expérimentale</s0>
<s5>17</s5>
</fC03>
<fC03 i1="16" i2="3" l="ENG">
<s0>Experimental study</s0>
<s5>17</s5>
</fC03>
<fC03 i1="17" i2="3" l="FRE">
<s0>Ca Na O P</s0>
<s4>INC</s4>
<s5>52</s5>
</fC03>
<fC03 i1="18" i2="3" l="FRE">
<s0>Na8-2xNi4+x(P2O7)4</s0>
<s4>INC</s4>
<s5>53</s5>
</fC03>
<fC03 i1="19" i2="3" l="FRE">
<s0>Na Ni O P</s0>
<s4>INC</s4>
<s5>54</s5>
</fC03>
<fC03 i1="20" i2="3" l="FRE">
<s0>6630H</s0>
<s2>PAC</s2>
<s4>INC</s4>
<s5>56</s5>
</fC03>
<fC03 i1="21" i2="3" l="FRE">
<s0>Impédance complexe</s0>
<s4>INC</s4>
<s5>92</s5>
</fC03>
<fC03 i1="22" i2="3" l="FRE">
<s0>Na8-2xMn4+x(P2O7)4</s0>
<s4>INC</s4>
<s5>93</s5>
</fC03>
<fC03 i1="23" i2="3" l="FRE">
<s0>Mn Na O P</s0>
<s4>INC</s4>
<s5>94</s5>
</fC03>
<fC03 i1="24" i2="3" l="FRE">
<s0>Na8-2xCo4+x(P2O7)4</s0>
<s4>INC</s4>
<s5>95</s5>
</fC03>
<fC07 i1="01" i2="3" l="FRE">
<s0>Métal transition composé</s0>
<s5>16</s5>
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<fC07 i1="01" i2="3" l="ENG">
<s0>Transition element compounds</s0>
<s5>16</s5>
</fC07>
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<name sortKey="Boukhari, A" sort="Boukhari, A" uniqKey="Boukhari A" first="A." last="Boukhari">A. Boukhari</name>
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