NickelMaghrebV1, PascalFrancis, Curation, bibRecord, 000154

Review of polyhedral distortions as a multi-scale minimization of the electric polarization and their correlations with physical properties

Identifieur interne : 000154 ( PascalFrancis/Curation ); précédent : 000153; suivant : 000155

Review of polyhedral distortions as a multi-scale minimization of the electric polarization and their correlations with physical properties

Auteurs : Abderrahim Benabbas [Algérie]

Source :

Acta crystallographica. Section B, Structural science [ 0108-7681 ] ; 2006.

RBID : Pascal:06-0242473

Descripteurs français

Pascal (Inist)
- Article synthèse, Minimisation, Polarisation électrique, Effet Jahn Teller, Distorsion réseau, Valence, Densité électron, Elongation, Composition chimique, Relation structure propriété, Potassium fluorure, Nickel fluorure, Composé ternaire, Perovskite, K2NiF4, F K Ni, 7170E, 6166F, Phase Ruddlesden-Popper.
Wicri :
- geographic : Valence (Drôme).

English descriptors

KwdEn :
- Chemical composition, Electrical polarization, Electron density, Elongation, Jahn-Teller effect, Lattice distortion, Minimization, Nickel fluorides, Perovskite, Potassium fluorides, Property structure relationship, Reviews, Ruddlesden-Popper phase, Ternary compounds, Valence.

Abstract

The Jahn-Teller (JT) and non-Jahn-Teller polyhedral distortions are reviewed within the same context, based on a multi-scale minimization of the electric polarization by handling formal ionic valences and valence electron density. This model is applied to tetragonal distortions of octahedra, particularly in K₂NiF₄ structures with different formula types, along with doping. The predictions are always in good agreement with the observed data. In particular, the ferrodistortive order of JT distortions is obtained from formal charge polarizations, while the antiferrodistortive one is adopted when only the valence electron density is involved. The correlations between physical properties and octahedral elongations through the crystal structures on one side and chemical compositions on the other side are discussed according to this model for high-T_c cuprate superconductors and CMR manganites.

A01	`01`	`1`		`@0 0108-7681`
A02	`01`			`@0 ASBSDK`
A03		`1`		`@0 Acta crystallogr., Sect. B Struct. sci.`
A05				`@2 62`
A06				`@2 1`
A08	`01`	`1`	`ENG`	`@1 Review of polyhedral distortions as a multi-scale minimization of the electric polarization and their correlations with physical properties`
A11	`01`	`1`		`@1 BENABBAS (Abderrahim)`
A14	`01`			`@1 LIME Laboratory, University of Jijel, BP 98 @2 Ouled-Aissa, 18000 Jijel @3 DZA @Z 1 aut.`
A20				`@1 9-15`
A21				`@1 2006`
A23	`01`			`@0 ENG`
A43	`01`			`@1 INIST @2 5160B @5 354000142815550020`
A44				`@0 0000 @1 © 2006 INIST-CNRS. All rights reserved.`
A45				`@0 1 p.1/4`
A47	`01`	`1`		`@0 06-0242473`
A60				`@1 P @3 PR`
A61				`@0 A`
A64	`01`	`1`		`@0 Acta crystallographica. Section B, Structural science`
A66	`01`			`@0 GBR`
C01	`01`		`ENG`	@0 The Jahn-Teller (JT) and non-Jahn-Teller polyhedral distortions are reviewed within the same context, based on a multi-scale minimization of the electric polarization by handling formal ionic valences and valence electron density. This model is applied to tetragonal distortions of octahedra, particularly in K₂NiF₄ structures with different formula types, along with doping. The predictions are always in good agreement with the observed data. In particular, the ferrodistortive order of JT distortions is obtained from formal charge polarizations, while the antiferrodistortive one is adopted when only the valence electron density is involved. The correlations between physical properties and octahedral elongations through the crystal structures on one side and chemical compositions on the other side are discussed according to this model for high-T_c cuprate superconductors and CMR manganites.
C02	`01`	`3`		`@0 001B70A70E`
C02	`02`	`3`		`@0 001B60A66F2`
C03	`01`	`3`	`FRE`	`@0 Article synthèse @5 02`
C03	`01`	`3`	`ENG`	`@0 Reviews @5 02`
C03	`02`	`3`	`FRE`	`@0 Minimisation @5 03`
C03	`02`	`3`	`ENG`	`@0 Minimization @5 03`
C03	`03`	`X`	`FRE`	`@0 Polarisation électrique @5 04`
C03	`03`	`X`	`ENG`	`@0 Electrical polarization @5 04`
C03	`03`	`X`	`SPA`	`@0 Polarización eléctrica @5 04`
C03	`04`	`3`	`FRE`	`@0 Effet Jahn Teller @5 05`
C03	`04`	`3`	`ENG`	`@0 Jahn-Teller effect @5 05`
C03	`05`	`X`	`FRE`	`@0 Distorsion réseau @5 06`
C03	`05`	`X`	`ENG`	`@0 Lattice distortion @5 06`
C03	`05`	`X`	`SPA`	`@0 Distorsión red @5 06`
C03	`06`	`3`	`FRE`	`@0 Valence @5 07`
C03	`06`	`3`	`ENG`	`@0 Valence @5 07`
C03	`07`	`3`	`FRE`	`@0 Densité électron @5 08`
C03	`07`	`3`	`ENG`	`@0 Electron density @5 08`
C03	`08`	`3`	`FRE`	`@0 Elongation @5 09`
C03	`08`	`3`	`ENG`	`@0 Elongation @5 09`
C03	`09`	`3`	`FRE`	`@0 Composition chimique @5 10`
C03	`09`	`3`	`ENG`	`@0 Chemical composition @5 10`
C03	`10`	`X`	`FRE`	`@0 Relation structure propriété @5 11`
C03	`10`	`X`	`ENG`	`@0 Property structure relationship @5 11`
C03	`10`	`X`	`SPA`	`@0 Relación estructura propiedad @5 11`
C03	`11`	`3`	`FRE`	`@0 Potassium fluorure @2 NK @5 15`
C03	`11`	`3`	`ENG`	`@0 Potassium fluorides @2 NK @5 15`
C03	`12`	`3`	`FRE`	`@0 Nickel fluorure @2 NK @5 16`
C03	`12`	`3`	`ENG`	`@0 Nickel fluorides @2 NK @5 16`
C03	`13`	`3`	`FRE`	`@0 Composé ternaire @5 17`
C03	`13`	`3`	`ENG`	`@0 Ternary compounds @5 17`
C03	`14`	`3`	`FRE`	`@0 Perovskite @5 18`
C03	`14`	`3`	`ENG`	`@0 Perovskite @5 18`
C03	`15`	`3`	`FRE`	`@0 K2NiF4 @4 INC @5 52`
C03	`16`	`3`	`FRE`	`@0 F K Ni @4 INC @5 53`
C03	`17`	`3`	`FRE`	`@0 7170E @2 PAC @4 INC @5 56`
C03	`18`	`3`	`FRE`	`@0 6166F @2 PAC @4 INC @5 57`
C03	`19`	`3`	`FRE`	`@0 Phase Ruddlesden-Popper @4 CD @5 96`
C03	`19`	`3`	`ENG`	`@0 Ruddlesden-Popper phase @4 CD @5 96`
C07	`01`	`3`	`FRE`	`@0 Composé minéral @5 48`
C07	`01`	`3`	`ENG`	`@0 Inorganic compounds @5 48`
C07	`02`	`3`	`FRE`	`@0 Métal transition composé @5 49`
C07	`02`	`3`	`ENG`	`@0 Transition element compounds @5 49`
N21				`@1 156`
N44	`01`			`@1 PSI`
N82				`@1 PSI`

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Le document en format XML

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<profileDesc><textClass><keywords scheme="KwdEn" xml:lang="en"><term>Chemical composition</term>
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<term>Lattice distortion</term>
<term>Minimization</term>
<term>Nickel fluorides</term>
<term>Perovskite</term>
<term>Potassium fluorides</term>
<term>Property structure relationship</term>
<term>Reviews</term>
<term>Ruddlesden-Popper phase</term>
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<keywords scheme="Pascal" xml:lang="fr"><term>Article synthèse</term>
<term>Minimisation</term>
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<term>Distorsion réseau</term>
<term>Valence</term>
<term>Densité électron</term>
<term>Elongation</term>
<term>Composition chimique</term>
<term>Relation structure propriété</term>
<term>Potassium fluorure</term>
<term>Nickel fluorure</term>
<term>Composé ternaire</term>
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<term>K2NiF4</term>
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<term>7170E</term>
<term>6166F</term>
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<front><div type="abstract" xml:lang="en">The Jahn-Teller (JT) and non-Jahn-Teller polyhedral distortions are reviewed within the same context, based on a multi-scale minimization of the electric polarization by handling formal ionic valences and valence electron density. This model is applied to tetragonal distortions of octahedra, particularly in K<sub>2</sub>
NiF<sub>4</sub>
 structures with different formula types, along with doping. The predictions are always in good agreement with the observed data. In particular, the ferrodistortive order of JT distortions is obtained from formal charge polarizations, while the antiferrodistortive one is adopted when only the valence electron density is involved. The correlations between physical properties and octahedral elongations through the crystal structures on one side and chemical compositions on the other side are discussed according to this model for high-T<sub>c</sub>
 cuprate superconductors and CMR manganites.</div>
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<fC01 i1="01" l="ENG"><s0>The Jahn-Teller (JT) and non-Jahn-Teller polyhedral distortions are reviewed within the same context, based on a multi-scale minimization of the electric polarization by handling formal ionic valences and valence electron density. This model is applied to tetragonal distortions of octahedra, particularly in K<sub>2</sub>
NiF<sub>4</sub>
 structures with different formula types, along with doping. The predictions are always in good agreement with the observed data. In particular, the ferrodistortive order of JT distortions is obtained from formal charge polarizations, while the antiferrodistortive one is adopted when only the valence electron density is involved. The correlations between physical properties and octahedral elongations through the crystal structures on one side and chemical compositions on the other side are discussed according to this model for high-T<sub>c</sub>
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<s5>03</s5>
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<fC03 i1="03" i2="X" l="FRE"><s0>Polarisation électrique</s0>
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<s5>05</s5>
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<s5>05</s5>
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<s5>06</s5>
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<s5>06</s5>
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<s5>06</s5>
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<s5>07</s5>
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<fC03 i1="06" i2="3" l="ENG"><s0>Valence</s0>
<s5>07</s5>
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<s5>08</s5>
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<s5>08</s5>
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<fC03 i1="08" i2="3" l="FRE"><s0>Elongation</s0>
<s5>09</s5>
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<fC03 i1="08" i2="3" l="ENG"><s0>Elongation</s0>
<s5>09</s5>
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<s5>10</s5>
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<s5>10</s5>
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<fC03 i1="10" i2="X" l="FRE"><s0>Relation structure propriété</s0>
<s5>11</s5>
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<fC03 i1="10" i2="X" l="ENG"><s0>Property structure relationship</s0>
<s5>11</s5>
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<fC03 i1="10" i2="X" l="SPA"><s0>Relación estructura propiedad</s0>
<s5>11</s5>
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<fC03 i1="11" i2="3" l="FRE"><s0>Potassium fluorure</s0>
<s2>NK</s2>
<s5>15</s5>
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<fC03 i1="11" i2="3" l="ENG"><s0>Potassium fluorides</s0>
<s2>NK</s2>
<s5>15</s5>
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<fC03 i1="12" i2="3" l="FRE"><s0>Nickel fluorure</s0>
<s2>NK</s2>
<s5>16</s5>
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<fC03 i1="12" i2="3" l="ENG"><s0>Nickel fluorides</s0>
<s2>NK</s2>
<s5>16</s5>
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<fC03 i1="13" i2="3" l="FRE"><s0>Composé ternaire</s0>
<s5>17</s5>
</fC03>
<fC03 i1="13" i2="3" l="ENG"><s0>Ternary compounds</s0>
<s5>17</s5>
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<fC03 i1="14" i2="3" l="FRE"><s0>Perovskite</s0>
<s5>18</s5>
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<s5>18</s5>
</fC03>
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<s4>INC</s4>
<s5>52</s5>
</fC03>
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<s4>INC</s4>
<s5>53</s5>
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<fC03 i1="17" i2="3" l="FRE"><s0>7170E</s0>
<s2>PAC</s2>
<s4>INC</s4>
<s5>56</s5>
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<fC03 i1="18" i2="3" l="FRE"><s0>6166F</s0>
<s2>PAC</s2>
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<s5>57</s5>
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<s5>96</s5>
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<s5>48</s5>
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<s5>49</s5>
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<s5>49</s5>
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Review of polyhedral distortions as a multi-scale minimization of the electric polarization and their correlations with physical properties

Review of polyhedral distortions as a multi-scale minimization of the electric polarization and their correlations with physical properties

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Descripteurs français

English descriptors

Abstract

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Links to Exploration step

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Pour manipuler ce document sous Unix (Dilib)

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