Inorganic Solid Phases

La0.75Bi0.25Fe0.25Cr0.75O3 (La0.5Cr0.5Fe0.5Bi0.5O3, T = 900 K) Crystal Structure

General Information

  • Phase Label(s): La0.5Cr0.5Fe0.5Bi0.5O3
  • Structure Class(es): perovskite
  • Classification by Properties: antiferromagnet AFM, semiconductor
  • Mineral Name(s):
  • Pearson Symbol: oP20
  • Space Group: 62
  • Phase Prototype: GdFeO3
  • Measurement Detail(s): automatic diffractometer (determination of cell parameters), automatic diffractometer; Czech Republic, Prague, Nuclear Physics Institute, LVR-15 reactor, MEREDIT (determination of structural parameters), neutrons; λ = 0.146 nm (determination of cell and structural parameters), T = 900 K (determination of cell and structural parameters)
  • Phase Class(es):
  • Compound Class(es): oxide
  • Interpretation Detail(s): complete structure determined; composition dependence studied; temperature dependence studied, Rietveld refinement, multiphase, RP = 0.0416; wRP = 0.0521; RB = 0.0553
  • Sample Detail(s): sample prepared from La2O3, Bi2O3, Fe2O3, Cr2O3, energy-dispersive X-ray analysis, iodometric titration; La/Bi ratio 0.73/0.27, Fe/Cr ratio 0.23/0.77; oxygen coefficient 2.97(2)-3.02(2); weight loss during preparation < 0.01 wt.%; amounts of Fe2O3 (2.5 wt.%), powder (determination of cell and structural parameters)

Substance Summary

  • Standard Formula: La0.75Cr0.75Fe0.25Bi0.25O3
  • Alphabetic Formula: Bi0.25Cr0.75Fe0.25La0.75O3
  • Published Formula: La0.75Bi0.25Fe0.25Cr0.75O3
  • Refined Formula: Bi0.26Cr0.76Fe0.24La0.74O3
  • Wyckoff Sequence: 62,dc2a
  • Z Formula Units: 4
  • Density: ρ = 7.14 Mg·m−3

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
B [nm2]
Type
Computed
Beq [nm2]

Experimental Details

Reference

3D Interactive Structure

About this content

  • Database name

    PAULING FILE Multinaries Edition – 2012

  • Dataset ID

    sd_1145719

  • 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)

  • Cite this content

    Citation copied