Inorganic Solid Phases

YSr2Cu2.3Al0.7O7 (Sr2Cu2YAlO7 tet) Crystal Structure

General Information

  • Phase Label(s): Sr2Cu2YAlO7 tet
  • Structure Class(es): high-Tc cuprate family
  • Classification by Properties: antiferromagnet AFM, intermediate valence, semiconductor
  • Mineral Name(s):
  • Pearson Symbol: tP14
  • Space Group: 123
  • Phase Prototype: Ba2Cu2LaTaO8
  • Measurement Detail(s): automatic diffractometer (determination of cell parameters), automatic diffractometer; United Kingdom, Chilton-Didcot, Rutherford Appleton Laboratory, ISIS Facility, POLARIS (determination of structural parameters), neutrons, time-of-flight (determination of cell and structural parameters)
  • Phase Class(es):
  • Compound Class(es): oxide
  • Interpretation Detail(s): complete structure determined, Rietveld refinement, multiphase, RP = 0.042; wRP = 0.046; RB = 0.081
  • Sample Detail(s): sample prepared from Y2O3, SrCO3, CuO, Al2O3, thermogravimetry; oxygen coefficient 7.0; trace amounts of Sr3Al2O6, powder (determination of cell and structural parameters)

Substance Summary

  • Standard Formula: Sr2Cu2.3YAl0.7O7
  • Alphabetic Formula: Al0.7Cu2.3O7Sr2Y
  • Published Formula: YSr2Cu2.3Al0.7O7
  • Refined Formula: Al0.70Cu2.30O7.04Sr2Y
  • Wyckoff Sequence: 123,rnjihgfd
  • Z Formula Units: 1
  • Density: ρ = 5.42 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_1600753

  • 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