Inorganic Solid Phases

Bi1−xKxFe1−xNbxO3, x=0.4-0.5 in Bi0.4K0.6Fe0.4Nb0.6O3 (K0.5Nb0.5Fe0.5Bi0.5O3) Crystal Structure

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General Information

  • Phase Label(s): K0.5Nb0.5Fe0.5Bi0.5O3
  • Structure Class(es): perovskite
  • Classification by Properties: –
  • Mineral Name(s): –
  • Pearson Symbol: tP5
  • Space Group: 99
  • Phase Prototype: BaTiO3
  • Measurement Detail(s): automatic diffractometer; United Kingdom, Chilton-Didcot, Rutherford Appleton Laboratory, ISIS Facility, HRPD (determination of structural parameters), neutrons, time-of-flight (determination of structural parameters)
  • Phase Class(es): –
  • Compound Class(es): oxide
  • Interpretation Detail(s): complete structure determined; composition dependence studied, Rietveld refinement, multiphase; 27 variables, RP = 0.0850; wRP = 0.0695
  • Sample Detail(s): sample prepared from Bi2O3, Fe2O3 (hematite), K2CO3, Nb2O5, amounts of Bi1−xKxFe1−xNbxO3 (Amm2) (9 wt.%), powder (determination of structural parameters)

Substance Summary

  • Standard Formula: K0.6Nb0.6Fe0.4Bi0.4O3
  • Alphabetic Formula: Bi0.4Fe0.4K0.6Nb0.6O3
  • Published Formula: Bi1−xKxFe1−xNbxO3, x=0.4-0.5 in Bi0.4K0.6Fe0.4Nb0.6O3
  • Refined Formula: Bi0.40Fe0.40K0.60Nb0.60O3
  • Wyckoff Sequence: 99,cba2
  • Z Formula Units: 1
  • Density: ρ = 6.00 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_1530173

  • 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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