Inorganic Solid Phases

Ge8Sb2Te6Se5, rhombohedral, lt (Ge0.7Sb0.2Te0.5Se0.5 rt) Crystal Structure

General Information

  • Phase Label(s): Ge0.7Sb0.2Te0.5Se0.5 rt
  • Structure Class(es): rocksalt family
  • Classification by Properties:
  • Mineral Name(s):
  • Pearson Symbol: hR6
  • Space Group: 160
  • Phase Prototype: GeTe
  • Measurement Detail(s): automatic diffractometer; PANalytical X'Pert PRO MPD (determination of structural parameters), X-rays, Cu Kα (determination of structural parameters)
  • Phase Class(es):
  • Compound Class(es): selenide, telluride
  • Interpretation Detail(s): complete structure determined, Rietveld refinement, multiphase, RB = 0.0253
  • Sample Detail(s): sample prepared from Ge3Sb2Te6, GeSe, energy-dispersive X-ray analysis, wavelength-dispersive X-ray analysis; composition confirmed; amounts of cubic phase (29 wt.%), thin film (determination of structural parameters)

Substance Summary

  • Standard Formula: Ge0.727Sb0.182Te0.545Se0.455
  • Alphabetic Formula: Ge0.727Sb0.182Se0.455Te0.545
  • Published Formula: Ge8Sb2Te6Se5, rhombohedral, lt
  • Refined Formula: Ge0.73Sb0.18Se0.46Te0.55
  • Wyckoff Sequence: 160,a2
  • Z Formula Units: 3
  • Density: ρ = 5.79 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_1605068

  • 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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