Inorganic Solid Phases

Sc1+dFe4−dAl8, d= 0.1 (ScFe4Al8, T = 320 K) Crystal Structure

General Information

  • Phase Label(s): ScFe4Al8
  • Structure Class(es): CaCu5-Zr4Al3 intergrowth
  • Classification by Properties: antiferromagnet AFM
  • Mineral Name(s):
  • Pearson Symbol: tI26
  • Space Group: 139
  • Phase Prototype: CeMn4Al8
  • Measurement Detail(s): automatic diffractometer (determination of cell parameters), automatic diffractometer; Germany, Garching, Forschungs-Neutronenquelle Heinz Maier-Leibnitz, FRM II reactor, SPODI (determination of structural parameters), neutrons; λ = 0.2536 nm (determination of cell and structural parameters), T = 320 K (determination of cell and structural parameters)
  • Phase Class(es):
  • Compound Class(es): intermetallic
  • Interpretation Detail(s): complete structure determined; temperature dependence studied, Rietveld refinement, multiphase, wRP = 0.083; RB = 0.035
  • Sample Detail(s): sample prepared from Sc, Fe, Al, electron microprobe analysis; Sc1.16(8)Fe3.84(7)Al8; amounts of Fe4Al13 (4 wt.%) and trace amounts of FeAl2.5, powder (determination of cell and structural parameters)

Substance Summary

  • Standard Formula: Sc1.1Fe3.9Al8
  • Alphabetic Formula: Al8Fe3.9Sc1.1
  • Published Formula: Sc1+dFe4−dAl8, d= 0.1
  • Refined Formula: Al8Fe3.88Sc1.12
  • Wyckoff Sequence: 139,jifa
  • Z Formula Units: 2
  • Density: ρ = 4.28 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

Experimental Details

Reference

3D Interactive Structure

About this content

  • Database name

    PAULING FILE Multinaries Edition – 2012

  • Dataset ID

    sd_1604160

  • 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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