Crystal chemistry of a new solid solution in the BaO-Bi2O3-Nb2O5 system : Ba5x/2Bi(1-x)5/3Nb5O15
| hal.structure.identifier | Solid State and Structural Chemistry Unit | |
| dc.contributor.author | MUKTHA, B. | |
| hal.structure.identifier | Institut de Chimie de la Matière Condensée de Bordeaux [ICMCB] | |
| dc.contributor.author | SIMON, Annie | |
| hal.structure.identifier | Institut de Chimie de la Matière Condensée de Bordeaux [ICMCB] | |
| dc.contributor.author | DARRIET, Jacques | |
| hal.structure.identifier | Solid State and Structural Chemistry Unit | |
| dc.contributor.author | GURU ROW, T. N. | |
| dc.date.issued | 2006 | |
| dc.identifier.issn | 0897-4756 | |
| dc.description.abstractEn | A solid solution of the type Ba5x/2Bi(1-x)5/3Nb5O15 has been identified in the BaO-Bi2O3-Nb2O5 system for the first time. The limits of the solid solution are within the range 0.52 <= x <= 0.80. The compositions x = 0.52, 0.60, 0.72, 0.77, 0.78, and 0.80 were synthesized by the solid-state technique from the starting materials in stoichiometric quantities. The powder X-ray patterns of all the phases in the domain indicate a structural similarity to tetragonal tungsten bronzes (TTBs). The compositions below x = 0.52 and those above x = 0.80 exhibit barium niobate and bismuth niobate impurities, respectively. Single crystals of the composition x = 0.77 were obtained by the melt cooling technique. The crystal structure of Ba3.85/2Bi1.15/3Nb5O15 (x = 0.77) was solved in the tetragonal space group P4bm (No. 100) with a = 12.4938 (14) angstrom, c = 3.9519 (2) A, V = 616.87 (10) angstrom(3), and Z = 2 and was refined to an R index of 0.034. Dielectric measurements on all the phases indicate a typical relaxor behavior with a broad phase transition at T-m approximate to 300 K. | |
| dc.language.iso | en | |
| dc.publisher | American Chemical Society | |
| dc.subject.en | Loss dielectrics ceramics | |
| dc.subject.en | Relaxor Ferroelectrics | |
| dc.subject.en | Solid solution | |
| dc.subject.en | Crystal structure | |
| dc.subject.en | Crystal chemistry | |
| dc.subject.en | Ternary system | |
| dc.subject.en | BaO-Bi2O3-Nb2O5 | |
| dc.title.en | Crystal chemistry of a new solid solution in the BaO-Bi2O3-Nb2O5 system : Ba5x/2Bi(1-x)5/3Nb5O15 | |
| dc.type | Article de revue | |
| dc.identifier.doi | 10.1021/cm052422j | |
| dc.subject.hal | Chimie/Matériaux | |
| bordeaux.journal | Chemistry of Materials | |
| bordeaux.page | 1240-1246 | |
| bordeaux.volume | 18 | |
| bordeaux.issue | 5 | |
| bordeaux.peerReviewed | oui | |
| hal.identifier | hal-00070910 | |
| hal.version | 1 | |
| hal.popular | non | |
| hal.audience | Internationale | |
| hal.origin.link | https://hal.archives-ouvertes.fr//hal-00070910v1 | |
| bordeaux.COinS | ctx_ver=Z39.88-2004&rft_val_fmt=info:ofi/fmt:kev:mtx:journal&rft.jtitle=Chemistry%20of%20Materials&rft.date=2006&rft.volume=18&rft.issue=5&rft.spage=1240-1246&rft.epage=1240-1246&rft.eissn=0897-4756&rft.issn=0897-4756&rft.au=MUKTHA,%20B.&SIMON,%20Annie&DARRIET,%20Jacques&GURU%20ROW,%20T.%20N.&rft.genre=article |
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