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[求助]
求助LaSr2AlO5的ICSD數據
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| 求助LaSr2AlO5的ICSD數據。感謝 |
版主 (職業(yè)作家)
版主 (職業(yè)作家)
至尊木蟲 (著名寫手)
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1 entry selected. CC=Collection Code: [AB2X4]=ANX Form: [cF56]=Pearson: [e d a]=Wyckoff Symbol: [Al2MgO4]=Structure Type: ***Click the ANX, Pearson or Wyckoff Symbol to find structures with that symbol***. CC=166238 Help Title Probing local structure in the yellow phosphor La Sr2 Al O5: Ce(3+), by the maximum entropy method and pair distribution function analysis. Authors Im Won Bin;Page, K.;DenBaars, S.P.;Seshadri, R. Reference Journal of Materials Chemistry (2009) 19, 8761-8766 Link XRef SCOPUS SCIRUS Google Compound Al1 Ce0.025 La0.975 O5 Sr2 - Lanthanum cerium strontium aluminium oxide (0.98/0.02/2/1/5) [AB3X5] [tI36] [l h c b a] [Cs3CoCl5] Cell 6.8811(5), 6.8811(5), 11.055(1), 90., 90., 90. I4/MCM (140) V=523.45 Remarks R=0.045000 : TEM =293 : TFA RVP TYP =Cs3CoCl5 : SNP A refinement of the average structure using pair distribution function analysis is given in ICSD 166239 This is the average structure of the compound; the local structure is studied using pair distribution function analysis in ICSD 166240 Atom (site) Oxid. x, y, z, B, Occupancy La1 (8h) 3 Ce1 (8h) 3 Sr1 (8h) 2 Sr2 (4a) 2 Al1 (4b) 3 O1 (4c) -2 O2 (16l) -2 0.3197(1) 0.8197(1) 0. 0.0082(3) 0.4875 0.3197(1) 0.8197(1) 0. 0.0082(3) 0.0125 0.3197(1) 0.8197(1) 0. 0.0082(3) 0.5 0. 0. 0.250 0.0080(5) 1 0. 0.5 0.250 0.006(1) 1 0. 0. 0. 0.037(4) 1 0.1346(7) 0.6346(7) 0.1489(4) 0.05(1) 1 CC=166240 Help Title Probing local structure in the yellow phosphor La Sr2 Al O5: Ce(3+), by the maximum entropy method and pair distribution function analysis. Authors Im Won Bin;Page, K.;DenBaars, S.P.;Seshadri, R. Reference Journal of Materials Chemistry (2009) 19, 8761-8766 Link XRef SCOPUS SCIRUS Google Compound Al1 Ce0.025 La0.975 O5 Sr2 - Lanthanum cerium strontium aluminium oxide (0.98/0.02/2/1/5) [ABC2X5] [tP36] [k2 h g f e b a] [] Cell 6.883(4), 6.883(4), 11.041(8), 90., 90., 90. P4/MBM (127) V=523.08 Remarks R=0.165000 : TEM =293 : SNP TFA The coordinates are those given in the paper but the atomic distances do not agree with those calculated during testing.The coordinates are probably correct. Average structure : ICSD 166238, 166239 Refinement of the local structure using pair distribution function analysis Atom (site) Oxid. x, y, z, B, Occupancy La1 (4h) 3 Ce1 (4h) 3 Sr1 (4g) 2 Sr2 (4e) 2 Al1 (4f) 3 O1 (2a) -2 O2 (2b) -2 O3 (8k) -2 O4 (8k) -2 0.3197(6) 0.8197(6) 0.5 0.0062(5) 0.975 0.3197(6) 0.8197(6) 0.5 0.0062(5) 0.025 0.1803(6) 0.6803(6) 0. 0.0062(5) 1 0. 0. 0.750 0.010(1) 1 0. 0.5 0.750 0.013(5) 1 0. 0. 0. 0.06(3) 1 0. 0. 0.5 0.06(3) 1 0.140(6) 0.640(6) 0.144(5) 0.05(1) 1 0.620(7) 0.120(7) 0.636(4) 0.05(1) 1 |
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