Inorganic Solid Phases

YBa_1.6Sr_0.4Cu₃O_6.948 (Ba_1.4Sr_0.6Cu₄YO₈) Crystal Structure

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General Information

Phase Label(s): Ba_1.4Sr_0.6Cu₄YO₈
Structure Class(es): high-T_c cuprate family
Classification by Properties: high-T_c superconductor, intermediate valence, metal, superconductor
Mineral Name(s): –
Pearson Symbol: oS30
Space Group: 65
Phase Prototype: Ba₂Cu₄YO₈
Measurement Detail(s): automatic diffractometer (determination of cell parameters), automatic diffractometer; Norway, Kjeller, Institute for Energy Technology, JEEP II reactor, OPUS III (determination of structural parameters), neutrons; λ = 0.1877 nm (determination of cell and structural parameters), T = 297 K (determination of cell and structural parameters)
Phase Class(es): –
Compound Class(es): oxide
Interpretation Detail(s): complete structure determined; composition dependence studied, Rietveld refinement, R_P = 0.123
Sample Detail(s): sample prepared from Y₂O₃, SrCO₃, BaCO₃, [CuCO₃](Cu[OH]₂)[H₂O]_0.5, citric acid monohydrate, phase purity > 99.5 %, powder (determination of cell and structural parameters)

Substance Summary

Standard Formula: Ba_1.6Sr_0.4Cu₃YO_6.948
Alphabetic Formula: Ba_1.6Cu₃O_6.948Sr_0.4Y
Published Formula: YBa_1.6Sr_0.4Cu₃O_6.948
Refined Formula: Ba_1.60Cu₃O_6.94Sr_0.40Y
Wyckoff Sequence: 47,tsrq²heba
Z Formula Units: 1
Density: ρ = 6.30 Mg·m⁻³

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Crystallographic Data

Cell Parameters

	Published Data	Standardized Data
	Published Data	Unit Cell	Niggli-Reduced Cell
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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.
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Published

Site	Element	Wyckoff Symbol	Symmetry	X	Y	Z	Occupation
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Displacement Parameters

Isotropic

Site	Published B [nm²]	Type	Computed B_eq [nm²]
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Experimental Details

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Reference

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3D Interactive Structure

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About this content

Database name

PAULING FILE Multinaries Edition – 2012

Dataset ID

sd_1900491

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.

Project Coordinator: Shuichi Iwata

Section-Editor: Karin Cenzual (Crystal Structures)

Cite this content

Pierre Villars (Chief Editor), PAULING FILE in: Inorganic Solid Phases, SpringerMaterials (online database), Springer, Heidelberg (ed.) SpringerMaterials YBa1.6Sr0.4Cu3O6.948 (Ba1.4Sr0.6Cu4YO8) Crystal Structure sd_1900491 (Springer-Verlag GmbH, Heidelberg, © 2016)

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