Inorganic Solid Phases

La0.975Ce0.025Sr2AlO5 (Sr2La0.975Ce0.025AlO5 tet1) Crystal Structure

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General Information

  • Phase Label(s): Sr2La0.975Ce0.025AlO5 tet1
  • Structure Class(es): –
  • Classification by Properties: luminescent, nonmetal
  • Mineral Name(s): –
  • Pearson Symbol: tI36
  • Space Group: 140
  • Phase Prototype: Sr(Sr0.5Gd0.5)2GaO5
  • Measurement Detail(s): automatic diffractometer (determination of cell parameters), automatic diffractometer; U.S.A. Illinois, Argonne National Laboratory, Advanced Photon Source, XSD-SRS, 11-ID-B beamline (determination of structural parameters), X-rays, synchrotron; λ = 0.01377 nm (determination of cell and structural parameters)
  • Phase Class(es): –
  • Compound Class(es): oxide
  • Interpretation Detail(s): complete structure determined, PDF refinement, wRP = 0.171
  • Sample Detail(s): sample prepared from La2O3, SrCO3, Al2O3, CeO2, amounts of La[OH]3 (2.8 wt.%), powder (determination of cell and structural parameters)

Substance Summary

  • Standard Formula: Sr2La0.975Ce0.025AlO5
  • Alphabetic Formula: AlCe0.025La0.975O5Sr2
  • Published Formula: La0.975Ce0.025Sr2AlO5
  • Refined Formula: AlCe0.03La0.98O5Sr2
  • Wyckoff Sequence: 140,lhcba
  • Z Formula Units: 4
  • Density: ρ = 5.35 Mg·m−3
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Crystallographic Data

Cell Parameters

Published Data
Standardized Data
Unit Cell
Niggli-Reduced Cell
Space Group
a
b
c
α
β
γ
a/b
b/c
c/a
V

Atom Coordinates

Standardized

Site
Element
Wyckoff Symbol
Symmetry
X
Y
Z
Occupation
Co-ord. No.
Atomic Env.

Published

Site
Element
Wyckoff Symbol
Symmetry
X
Y
Z
Occupation

Displacement Parameters

Isotropic

Site
Published
U [nm2]
Type
Computed
Beq [nm2]

Experimental Details

Reference

3D Interactive Structure

About this content

  • Database name

    PAULING FILE Multinaries Edition – 2012

  • Dataset ID

    sd_1628799

  • Copyright

    ©Springer & Material Phases Data System (MPDS), Switzerland & National Institute for Materials Science (NIMS), Japan, 2016

  • Chief Editor

    Pierre Villars, Material Phases Data System (MPDS), CH-6354 Vitznau, Switzerland

    villars.mpds@bluewin.ch

  • Credits

    SpringerMaterials Release 2016.

    Data generated pre-2002: © Springer & MPDS & NIMS; post-2001: © Springer & MPDS

    All Rights Reserved. Version 2016.10.

    Project Coordinator: Shuichi Iwata

    Section-Editor: Karin Cenzual (Crystal Structures)

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