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*data for ICSD #55284 Coll Code 55284 Rec Date 2005/10/01 Chem Name Cerium(IV) Oxide Structured Ce O2 Sum Ce1 O2 ANX AX2 Min Name Ceria D(calc) 6.82 Title Positional disorder of oxygen ions in ceria at high temperatures Author(s) Yashima, M.;Kobayashi, S. Reference Applied Physics Letters (2004), 84, 526-528 Unit Cell 5.5133(1) 5.5133(1) 5.5133(1) 90 90 90 Vol 167.58 Z 4 Space Group F m -3 m SG Number 225 Cryst Sys cubic Pearson cF12 Wyckoff f c a R Value 0.0183 Red Cell F 3.898 3.898 3.898 60 60 60 41.896 Trans Red 0.500 0.500 0.000 / 0.000 0.500 0.500 / 0.500 0.000 0.500 Comments Total SOF on at least one site differs from unity (SOF < 0.997 resp. SOF > 1.003) Compound with mineral name: Ceria Neutron diffraction (powder) Rietveld profile refinement applied Temperature in Kelvin: 1770 Atom # OX SITE x y z SOF H ITF(U) Ce 1 +4 4 a 0. 0. 0. 1. 0 0.0340(7) O 1 -2 8 c 0.250 0.250 0.250 0.90(3) 0 0.041(2) O 2 -2 32 f 0.325(9) 0.325(9) 0.325(9) 0.025(6) 0 0.041(2) *end for ICSD #55284 |
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