Inorganic Solid Phases

(Ti,Cu)Sr2(Sm0.7Ce0.3)2Cu2Oz (Sr2Cu2.5Ce0.4Sm1.6Ti0.5O10) Crystal Structure

General Information

  • Phase Label(s): Sr2Cu2.5Ce0.4Sm1.6Ti0.5O10
  • Structure Class(es): high-Tc cuprate family
  • Classification by Properties: diamagnetic, nonmetal, semiconductor, superconductor
  • Mineral Name(s):
  • Pearson Symbol: tI38
  • Space Group: 139
  • Phase Prototype: Sr2Cu2(Cu0.75V0.25)(Y0.65Ce0.35)2O8.77
  • Measurement Detail(s): automatic diffractometer (determination of cell parameters), automatic diffractometer; Rigaku RINT (determination of structural parameters), X-rays, Cu Kα (determination of cell and structural parameters)
  • Phase Class(es):
  • Compound Class(es): oxide
  • Interpretation Detail(s): complete structure determined, Rietveld refinement, multiphase, RP = 0.0686; wRP = 0.0856; RB = 0.0327
  • Sample Detail(s): sample prepared from CuO2, SrCO3, TiO2 rutile, CeO2, Sm2O3, amounts of SrTiO3 (17 wt.%) and CeO2 (2.3 wt.%), powder (determination of cell and structural parameters)

Substance Summary

  • Standard Formula: Sr2Cu2.26Ce0.6Sm1.4Ti0.74O9.04
  • Alphabetic Formula: Ce0.6Cu2.26O9.04Sm1.4Sr2Ti0.74
  • Published Formula: (Ti,Cu)Sr2(Sm0.7Ce0.3)2Cu2Oz
  • Refined Formula: Ce0.60Cu2.26O8.96Sm1.40Sr2Ti0.74
  • Wyckoff Sequence: 139,jge4da
  • Z Formula Units: 2
  • Density: ρ = 6.26 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_1220664

  • 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

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