Subsolidus phase relations of the SrO–WO3–CuO system at 800 °C in air

Publication: Research - peer-reviewJournal article – Annual report year: 2011

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Subsolidus phase relations of the SrO–WO3–CuO system at 800 °C in air. / Grivel, Jean-Claude; Norby, Poul.

In: Journal of Alloys and Compounds, Vol. 513, 2012, p. 304-309.

Publication: Research - peer-reviewJournal article – Annual report year: 2011

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Author

Grivel, Jean-Claude; Norby, Poul / Subsolidus phase relations of the SrO–WO3–CuO system at 800 °C in air.

In: Journal of Alloys and Compounds, Vol. 513, 2012, p. 304-309.

Publication: Research - peer-reviewJournal article – Annual report year: 2011

Bibtex

@article{04aef25d957e400488f6ccf1fde3003b,
title = "Subsolidus phase relations of the SrO–WO<sub>3</sub>–CuO system at 800 °C in air",
publisher = "Elsevier BV",
author = "Jean-Claude Grivel and Poul Norby",
year = "2012",
doi = "10.1016/j.jallcom.2011.09.104",
volume = "513",
pages = "304--309",
journal = "Journal of Alloys and Compounds",
issn = "0925-8388",

}

RIS

TY - JOUR

T1 - Subsolidus phase relations of the SrO–WO<sub>3</sub>–CuO system at 800 °C in air

A1 - Grivel,Jean-Claude

A1 - Norby,Poul

AU - Grivel,Jean-Claude

AU - Norby,Poul

PB - Elsevier BV

PY - 2012

Y1 - 2012

N2 - The subsolidus phase relations of the SrO–WO3–CuO system were investigated in air. The samples were equilibrated at 800 °C. Under these conditions, eight binary oxides are stable. The pseudo-ternary section contains two ternary oxide phases: the previously described Sr2CuWO6 phase as well as a new phase with Sr8CuW3O18 stoichiometry. The crystal structure of this new compound was solved and refined in the R-3 space group, unit cell parameters a = 5.7202 Å and c = 28.873 Å. Sr8CuW3O18 has a distorted perovskite type structure, where some of the Sr atoms are positioned at the B sites, and the composition may be given as: Sr6(Sr2CuW3)O18. There are indications of existence of a superstructure or stacking faults related to Cu/Sr ordering.

AB - The subsolidus phase relations of the SrO–WO3–CuO system were investigated in air. The samples were equilibrated at 800 °C. Under these conditions, eight binary oxides are stable. The pseudo-ternary section contains two ternary oxide phases: the previously described Sr2CuWO6 phase as well as a new phase with Sr8CuW3O18 stoichiometry. The crystal structure of this new compound was solved and refined in the R-3 space group, unit cell parameters a = 5.7202 Å and c = 28.873 Å. Sr8CuW3O18 has a distorted perovskite type structure, where some of the Sr atoms are positioned at the B sites, and the composition may be given as: Sr6(Sr2CuW3)O18. There are indications of existence of a superstructure or stacking faults related to Cu/Sr ordering.

KW - Phase equilibria

KW - X-ray diffraction

KW - Materials characterization and modeling

KW - SrO–WO3–CuO

KW - Materialekarakterisering og modellering

U2 - 10.1016/j.jallcom.2011.09.104

DO - 10.1016/j.jallcom.2011.09.104

JO - Journal of Alloys and Compounds

JF - Journal of Alloys and Compounds

SN - 0925-8388

VL - 513

SP - 304

EP - 309

ER -