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CC=Collection Code: [AB2X4]=ANX Form: [cF56]=Pearson: [e d a]=Wyckoff Symbol: [Al2MgO4]=Structure Type:
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CC=72106 Help
TitleDielectric constants and crystal structures of Ca Y Al O4, Ca Nd Al O4 and Sr La Al O4, and deviations from the oxide additivity rule.
AuthorsShannon, R.D.;Oswald, R.A.;Parise, J.B.;Chai, B.H.T.;Byszewski, P.;Pajaczkowska, A.;Sobolewski, R.
ReferenceIC&volume=98&fpage=90&details=yes target=icsd_help>Journal of Solid State Chemistry (1992) 98, 90-98
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CompoundAl1 La1 O4 Sr1 - Strontium lanthanum phyllo-aluminate [AB2X4] [tI14] [e2 c a] [K2MgF4]
Cell3.7564(1), 3.7564(1), 12.6357(5), 90., 90., 90.
I4/MMM (139) V=178.3
RemarksR=0.019000 : T =K2MgF4 :

Atom (site) Oxid. x, y, z, B, Occupancy
Sr1(4e)2
La1(4e)3
Al1(2a)3
O1(4c)-2
O2(4e)-2
000.350.4(0.5
000.350.4(0.5
0.50.50.50.5(1
0.500.50.5(1
000.160.9(1

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