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*data for ICSD #39607
Coll Code 39607
Rec Date 1993/08/22
Mod Date 2003/10/01
Chem Name Lead Zirconate
Structured Pb (Zr O3)
Sum O3 Pb1 Zr1
ANX ABX3
D(calc) 16.02
Title X-ray diffraction study of PbZrO3 ferroelectric phase,induced by
strong electric field.
Author(s) Shuvaeva, V.A.;Antipin, M.Yu.;Fesenko, O.E.;Smotrakov, V.G.;
Struchkov, Yu.T.
Reference Kristallografiya
(1992), 37, 1033-1035
Phase Transition
(1992), 38, 127-220
Unit Cell 5.890(1) 5.897(1) 4.134(1) 90. 90. 90.
Vol 143.59
Z 4
Space Group P b m a
SG Number 57
Cryst Sys orthorhombic
Pearson oP20
Wyckoff e3 a
R Value 0.047
Red Cell P 4.134 5.89 5.897 90 90 90 143.588
Trans Red 0.000 0.000 1.000 / 1.000 0.000 0.000 / 0.000 1.000 0.000
Comments Stable up to 503 K (2nd ref., Tomaszewski), above Pm3-m
Total SOF on at least one site differs from unity (SOF <
0.997 resp. SOF > 1.003)
The structure has been assigned a PDF number: 77-856
At least one temperature factor is implausible or
meaningless but agrees with the value given in the paper.
Atom # OX SITE x y z SOF H
Pb 1 +2 4 a 0 0 0 1. 0
Zr 1 +4 8 e 0 0.469(1) 0.5 0.5 0
O 1 -2 8 e 0 0.48(1) 0 1. 0
O 2 -2 8 e 0.26(1) 0.222(9) 0.5 0.5 0
Lbl Type U11 U22 U33 U12 U13 U23
Pb1 Pb2+ 0.0212(7) 0.020(1) 0.0122(6) 0 0 0
Zr1 Zr4+ 0.045(3) 0.001(3) 0.016(2) 0 0 0
O1 O2- 0.14(1) 0.05(1) 0.060(1) 0 0 0
O2 O2- 0.07(1) 0.05(1) 0.14(1) 0 0 0
*end for ICSD #39607 |
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