Intricate disorder in defect fluorite/pyrochlore: a concord of chemistry and crystallography
Identifieur interne : 000932 ( Main/Exploration ); précédent : 000931; suivant : 000933Intricate disorder in defect fluorite/pyrochlore: a concord of chemistry and crystallography
Auteurs : David Simeone [France] ; Gordon James Thorogood [Australie, Japon] ; Da Huo ; Laurence Luneville [France] ; Gianguido Baldinozzi [France] ; Vaclav Petricek [République tchèque] ; Florence Porcher [France] ; Joel Ribis [France] ; Leo Mazerolles [France] ; Ludovic Largeau [France] ; Jean Francois Berar [France] ; Suzy SurbleSource :
- Scientific Reports [ 2045-2322 ] ; 2017.
Abstract
Intuitively scientists accept that order can emerge from disorder and a significant amount of effort has been devoted over many years to demonstrate this. In metallic alloys and oxides, disorder at the atomic scale is the result of occupation at equivalent atomic positions by different atoms which leads to the material exhibiting a fully random or modulated scattering pattern. This arrangement has a substantial influence on the material’s properties, for example ionic conductivity. However it is generally accepted that oxides, such as defect fluorite as used for nuclear waste immobilization matrices and fuel cells, are the result of disorder at the atomic scale. To investigate how order at the atomic scale induces disorder at a larger scale length, we have applied different techniques to study the atomic composition of a homogeneous
Url:
DOI: 10.1038/s41598-017-02787-w
PubMed: 28623293
PubMed Central: 5473899
Affiliations:
- Australie, France, Japon, République tchèque
- Bohême centrale, Île-de-France
- Chatenay Malabry, Gif sur Yvette, Marcoussis, Prague, Vitry Sur Seine
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Chatenay Malabry, France</nlm:aff><country xml:lang="fr">France</country><wicri:regionArea>DEN/Service de Recherches Metallurgiques Appliquees, CEA, Universite Paris-Saclay, F-91191, Centralesupelec/SPMS/UMR-8085/LRC CARMEN, 92292 Chatenay Malabry</wicri:regionArea><placeName><region type="region" nuts="2">Île-de-France</region><settlement type="city">Chatenay Malabry</settlement></placeName></affiliation></author><author><name sortKey="Thorogood, Gordon James" sort="Thorogood, Gordon James" uniqKey="Thorogood G" first="Gordon James" last="Thorogood">Gordon James Thorogood</name><affiliation wicri:level="1"><nlm:aff id="Aff2">ANSTO, Lucas Heights, NSW, Australia</nlm:aff><country xml:lang="fr">Australie</country><wicri:regionArea>ANSTO, Lucas Heights, NSW</wicri:regionArea><wicri:noRegion>NSW</wicri:noRegion></affiliation><affiliation wicri:level="1"><nlm:aff id="Aff3"><institution-wrap><institution-id institution-id-type="ISNI">0000 0001 0671 2234</institution-id><institution-id 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wicri:level="3"><nlm:aff id="Aff1">DEN/Service de Recherches Metallurgiques Appliquees, CEA, Universite Paris-Saclay, F-91191, Centralesupelec/SPMS/UMR-8085/LRC CARMEN, 92292 Chatenay Malabry, France</nlm:aff><country xml:lang="fr">France</country><wicri:regionArea>DEN/Service de Recherches Metallurgiques Appliquees, CEA, Universite Paris-Saclay, F-91191, Centralesupelec/SPMS/UMR-8085/LRC CARMEN, 92292 Chatenay Malabry</wicri:regionArea><placeName><region type="region" nuts="2">Île-de-France</region><settlement type="city">Chatenay Malabry</settlement></placeName></affiliation></author><author><name sortKey="Mazerolles, Leo" sort="Mazerolles, Leo" uniqKey="Mazerolles L" first="Leo" last="Mazerolles">Leo Mazerolles</name><affiliation wicri:level="3"><nlm:aff id="Aff8"><institution-wrap><institution-id institution-id-type="ISNI">0000 0001 2149 7878</institution-id><institution-id institution-id-type="GRID">grid.410511.0</institution-id><institution>Institut de Chimie et des Materiaux CNRS UMR 7182,</institution><institution>Universite Paris Est,</institution></institution-wrap>2-8 Rue Henri Dunant, F-94407 Vitry Sur Seine, France</nlm:aff><country xml:lang="fr">France</country><wicri:regionArea>2-8 Rue Henri Dunant, F-94407 Vitry Sur Seine</wicri:regionArea><placeName><region type="region" nuts="2">Île-de-France</region><settlement type="city">Vitry Sur Seine</settlement></placeName></affiliation></author><author><name sortKey="Largeau, Ludovic" sort="Largeau, Ludovic" uniqKey="Largeau L" first="Ludovic" last="Largeau">Ludovic Largeau</name><affiliation wicri:level="3"><nlm:aff id="Aff9"><institution-wrap><institution-id institution-id-type="ISNI">0000 0004 4910 6535</institution-id><institution-id institution-id-type="GRID">grid.460789.4</institution-id><institution></institution><institution>C2N/CNRS-Universite Paris-Saclay,</institution></institution-wrap>Route de Nozay, 91460 Marcoussis, France</nlm:aff><country xml:lang="fr">France</country><wicri:regionArea>Route de Nozay, 91460 Marcoussis</wicri:regionArea><placeName><region type="region" nuts="2">Île-de-France</region><settlement type="city">Marcoussis</settlement></placeName></affiliation></author><author><name sortKey="Berar, Jean Francois" sort="Berar, Jean Francois" uniqKey="Berar J" first="Jean Francois" last="Berar">Jean Francois Berar</name><affiliation wicri:level="1"><nlm:aff id="Aff10"><institution-wrap><institution-id institution-id-type="ISNI">0000 0004 0369 268X</institution-id><institution-id institution-id-type="GRID">grid.450308.a</institution-id><institution></institution><institution>Institut Neel, CNRS/UJF UPR 2940, 25 rue des Martyrs BP166,</institution></institution-wrap>38042 Grenoble cedex 9, France</nlm:aff><country xml:lang="fr">France</country><wicri:regionArea>38042 Grenoble cedex 9</wicri:regionArea></affiliation></author><author><name sortKey="Surble, Suzy" sort="Surble, Suzy" uniqKey="Surble S" first="Suzy" last="Surble">Suzy Surble</name><affiliation><nlm:aff id="Aff4"><institution-wrap><institution-id institution-id-type="ISNI">0000 0004 4910 6535</institution-id><institution-id institution-id-type="GRID">grid.460789.4</institution-id><institution>LEEL, NIMBE, CEA/CNRS,</institution><institution>Universite Paris Saclay,</institution></institution-wrap>91191 Gif sur, Yvette France</nlm:aff><wicri:noCountry code="subfield">Yvette France</wicri:noCountry></affiliation></author></analytic><series><title level="j">Scientific Reports</title><idno type="eISSN">2045-2322</idno><imprint><date when="2017">2017</date></imprint></series></biblStruct></sourceDesc></fileDesc><profileDesc><textClass></textClass></profileDesc></teiHeader><front><div type="abstract" xml:lang="en"><p>Intuitively scientists accept that order can emerge from disorder and a significant amount of effort has been devoted over many years to demonstrate this. In metallic alloys and oxides, disorder at the atomic scale is the result of occupation at equivalent atomic positions by different atoms which leads to the material exhibiting a fully random or modulated scattering pattern. This arrangement has a substantial influence on the material’s properties, for example ionic conductivity. However it is generally accepted that oxides, such as defect fluorite as used for nuclear waste immobilization matrices and fuel cells, are the result of disorder at the atomic scale. To investigate how order at the atomic scale induces disorder at a larger scale length, we have applied different techniques to study the atomic composition of a homogeneous <italic>La</italic><sub>2</sub><italic>Zr</italic><sub>2</sub><italic>O</italic><sub>7</sub> pyrochlore, a textbook example of such a structure. Here we demonstrate that a pyrochlore, which is considered to be defect fluorite, is the result of intricate disorder due to a random distribution of fully ordered nano-domains. Our investigation provides new insight into the order disorder transformations in complex materials with regards to domain formation, resulting in a concord of chemistry with crystallography illustrating that order can induce disorder.</p></div></front><back><div1 type="bibliography"><listBibl><biblStruct><analytic><author><name sortKey="Subramanian, M" uniqKey="Subramanian M">M Subramanian</name></author><author><name sortKey="Aravamudan, G" uniqKey="Aravamudan G">G Aravamudan</name></author><author><name sortKey="Raoe, G" uniqKey="Raoe G">G Raoe</name></author></analytic></biblStruct><biblStruct><analytic><author><name sortKey="Seul, M" uniqKey="Seul M">M Seul</name></author><author><name sortKey="Andelman, D" uniqKey="Andelman D">D Andelman</name></author></analytic></biblStruct><biblStruct><analytic><author><name sortKey="Subramanian, M" uniqKey="Subramanian M">M Subramanian</name></author></analytic></biblStruct><biblStruct><analytic><author><name sortKey="Ewing, R" uniqKey="Ewing R">R Ewing</name></author><author><name sortKey="Weber, W" uniqKey="Weber W">W Weber</name></author><author><name sortKey="Lian, L" uniqKey="Lian L">L Lian</name></author></analytic></biblStruct><biblStruct><analytic><author><name sortKey="Kennedy, B" uniqKey="Kennedy B">B Kennedy</name></author><author><name sortKey="Vogt, T" uniqKey="Vogt T">T Vogt</name></author></analytic></biblStruct><biblStruct><analytic><author><name sortKey="Mins, C" uniqKey="Mins C">C Mins</name></author><author><name sortKey="Jacobson, A" uniqKey="Jacobson A">A Jacobson</name></author><author><name sortKey="Hall, R" uniqKey="Hall R">R Hall</name></author><author><name sortKey="Lewandowski, J" uniqKey="Lewandowski J">J Lewandowski</name></author></analytic></biblStruct><biblStruct><analytic><author><name sortKey="Sickafus, K" uniqKey="Sickafus K">K Sickafus</name></author></analytic></biblStruct><biblStruct><analytic><author><name sortKey="Arai, S" uniqKey="Arai S">S Arai</name></author></analytic></biblStruct><biblStruct><analytic><author><name sortKey="Galoisy, L" uniqKey="Galoisy L">L Galoisy</name></author><author><name sortKey="Pellerin, E" uniqKey="Pellerin E">E Pellerin</name></author><author><name sortKey="Arrio, M" uniqKey="Arrio M">M Arrio</name></author><author><name sortKey="Ildefonse, P" uniqKey="Ildefonse P">P Ildefonse</name></author><author><name sortKey="Callas, J" uniqKey="Callas J">J Callas</name></author></analytic></biblStruct><biblStruct><analytic><author><name sortKey="Uberuaga, B" uniqKey="Uberuaga B">B Uberuaga</name></author></analytic></biblStruct><biblStruct><analytic><author><name sortKey="Shamblin, J" uniqKey="Shamblin J">J Shamblin</name></author></analytic></biblStruct><biblStruct><analytic><author><name sortKey="Huo, D" uniqKey="Huo D">D Huo</name></author></analytic></biblStruct><biblStruct><analytic><author><name sortKey="Prusty, D" uniqKey="Prusty D">D Prusty</name></author><author><name sortKey="Pathak, A" uniqKey="Pathak A">A Pathak</name></author><author><name sortKey="Chinta, A" uniqKey="Chinta A">A Chinta</name></author><author><name sortKey="Mukherjee, B" uniqKey="Mukherjee B">B Mukherjee</name></author><author><name sortKey="Chowdhury, A" uniqKey="Chowdhury A">A Chowdhury</name></author></analytic></biblStruct><biblStruct><analytic><author><name sortKey="Champion, J" uniqKey="Champion J">J Champion</name></author></analytic></biblStruct><biblStruct><analytic><author><name sortKey="Michel, D" uniqKey="Michel D">D Michel</name></author><author><name sortKey="Perez Y Jorba, M" uniqKey="Perez Y Jorba M">M Perez y Jorba</name></author><author><name sortKey="Collongues, R" uniqKey="Collongues R">R Collongues</name></author></analytic></biblStruct><biblStruct><analytic><author><name sortKey="Cai, J" uniqKey="Cai J">J Cai</name></author><author><name sortKey="Raptis, C" uniqKey="Raptis C">C Raptis</name></author><author><name sortKey="Raptis, Y" uniqKey="Raptis Y">Y Raptis</name></author><author><name sortKey="Anastassakis, E" uniqKey="Anastassakis E">E Anastassakis</name></author></analytic></biblStruct><biblStruct></biblStruct><biblStruct><analytic><author><name sortKey="Brese, N" uniqKey="Brese N">N Brese</name></author><author><name sortKey="O Eeffe, M" uniqKey="O Eeffe M">M O’Keeffe</name></author></analytic></biblStruct><biblStruct><analytic><author><name sortKey="Bradley, J" uniqKey="Bradley J">J Bradley</name></author><author><name sortKey="Cracknell, A" uniqKey="Cracknell A">A Cracknell</name></author></analytic></biblStruct><biblStruct><analytic><author><name sortKey="Simeone, D" uniqKey="Simeone D">D Simeone</name></author><author><name sortKey="Dodane, C" uniqKey="Dodane C">C Dodane</name></author><author><name sortKey="Gosset, D" uniqKey="Gosset D">D Gosset</name></author><author><name sortKey="Baldinozzi, G" uniqKey="Baldinozzi G">G Baldinozzi</name></author></analytic></biblStruct><biblStruct><analytic><author><name sortKey="Blanchard, P" uniqKey="Blanchard P">P Blanchard</name></author><author><name sortKey="Clements, R" uniqKey="Clements R">R Clements</name></author><author><name sortKey="Kennedy, B" uniqKey="Kennedy B">B Kennedy</name></author><author><name sortKey="Ling, C" uniqKey="Ling C">C Ling</name></author><author><name sortKey="Reynolds, E" uniqKey="Reynolds E">E Reynolds</name></author></analytic></biblStruct><biblStruct><analytic><author><name sortKey="Dash, L" uniqKey="Dash L">L Dash</name></author><author><name sortKey="Vast, N" uniqKey="Vast N">N Vast</name></author><author><name sortKey="Baranek, P" uniqKey="Baranek P">P Baranek</name></author><author><name sortKey="Cheynet, M C" uniqKey="Cheynet M">M-C Cheynet</name></author><author><name sortKey="Reining, L" uniqKey="Reining L">L Reining</name></author></analytic></biblStruct><biblStruct><analytic><author><name sortKey="Petricek, V" uniqKey="Petricek V">V Petricek</name></author><author><name sortKey="Dusek, M" uniqKey="Dusek M">M Dusek</name></author><author><name sortKey="Palatinus, L" uniqKey="Palatinus L">L Palatinus</name></author></analytic></biblStruct><biblStruct></biblStruct><biblStruct><analytic><author><name sortKey="Toledano, P" uniqKey="Toledano P">P Toledano</name></author><author><name sortKey="Toledano, Jc" uniqKey="Toledano J">JC Toledano</name></author></analytic></biblStruct></listBibl></div1></back></TEI><affiliations><list><country><li>Australie</li><li>France</li><li>Japon</li><li>République tchèque</li></country><region><li>Bohême centrale</li><li>Île-de-France</li></region><settlement><li>Chatenay Malabry</li><li>Gif sur Yvette</li><li>Marcoussis</li><li>Prague</li><li>Vitry Sur Seine</li></settlement></list><tree><noCountry><name sortKey="Huo, Da" sort="Huo, Da" uniqKey="Huo D" first="Da" last="Huo">Da Huo</name><name sortKey="Surble, Suzy" sort="Surble, Suzy" uniqKey="Surble S" first="Suzy" last="Surble">Suzy Surble</name></noCountry><country name="France"><region name="Île-de-France"><name sortKey="Simeone, David" sort="Simeone, David" uniqKey="Simeone D" first="David" last="Simeone">David Simeone</name></region><name sortKey="Baldinozzi, Gianguido" sort="Baldinozzi, Gianguido" uniqKey="Baldinozzi G" first="Gianguido" last="Baldinozzi">Gianguido Baldinozzi</name><name sortKey="Berar, Jean Francois" sort="Berar, Jean Francois" uniqKey="Berar J" first="Jean Francois" last="Berar">Jean Francois Berar</name><name sortKey="Largeau, Ludovic" sort="Largeau, Ludovic" uniqKey="Largeau L" first="Ludovic" last="Largeau">Ludovic Largeau</name><name sortKey="Luneville, Laurence" sort="Luneville, Laurence" uniqKey="Luneville L" first="Laurence" last="Luneville">Laurence Luneville</name><name sortKey="Mazerolles, Leo" sort="Mazerolles, Leo" uniqKey="Mazerolles L" first="Leo" last="Mazerolles">Leo Mazerolles</name><name sortKey="Porcher, Florence" sort="Porcher, Florence" uniqKey="Porcher F" first="Florence" last="Porcher">Florence Porcher</name><name sortKey="Ribis, Joel" sort="Ribis, Joel" uniqKey="Ribis J" first="Joel" last="Ribis">Joel Ribis</name></country><country name="Australie"><noRegion><name sortKey="Thorogood, Gordon James" sort="Thorogood, Gordon James" uniqKey="Thorogood G" first="Gordon James" last="Thorogood">Gordon James Thorogood</name></noRegion></country><country name="Japon"><noRegion><name sortKey="Thorogood, Gordon James" sort="Thorogood, Gordon James" uniqKey="Thorogood G" first="Gordon James" last="Thorogood">Gordon James Thorogood</name></noRegion></country><country name="République tchèque"><region name="Bohême centrale"><name sortKey="Petricek, Vaclav" sort="Petricek, Vaclav" uniqKey="Petricek V" first="Vaclav" last="Petricek">Vaclav Petricek</name></region></country></tree></affiliations></record>Pour manipuler ce document sous Unix (Dilib)
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