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Ruthenium (V) oxides from low-temperature hydrothermal synthesis
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Hiley, Craig I., Lees, Martin R., Fisher, Janet M., Thompsett, David, Agrestini, Stefano, Smith, Ronald I. and Walton, Richard I. (2014) Ruthenium (V) oxides from low-temperature hydrothermal synthesis. Angewandte Chemie International Edition, Volume 53 (Number 17). pp. 4423-4427. doi:10.1002/anie.201310110
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Official URL: http://dx.doi.org/10.1002/anie.201310110
Abstract
Low-temperature (200 °C) hydrothermal synthesis of the ruthenium oxides Ca1.5Ru2O7, SrRu2O6, and Ba2Ru3O9(OH) is reported. Ca1.5Ru2O7 is a defective pyrochlore containing RuV/VI; SrRu2O6 is a layered RuV oxide with a PbSb2O6 structure, whilst Ba2Ru3O9(OH) has a previously unreported structure type with orthorhombic symmetry solved from synchrotron X-ray and neutron powder diffraction. SrRu2O6 exhibits unusually high-temperature magnetic order, with antiferromagnetism persisting to at least 500 K, and refinement using room temperature neutron powder diffraction data provides the magnetic structure. All three ruthenates are metastable and readily collapse to mixtures of other oxides upon heating in air at temperatures around 300–500 °C, suggesting they would be difficult, if not impossible, to isolate under conventional high-temperature solid-state synthesis conditions.
| Item Type: | Journal Article | ||||||||
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| Divisions: | Faculty of Science, Engineering and Medicine > Science > Chemistry Faculty of Science, Engineering and Medicine > Science > Physics |
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| Journal or Publication Title: | Angewandte Chemie International Edition | ||||||||
| Publisher: | Wiley - V C H Verlag GmbH & Co. KGaA | ||||||||
| ISSN: | 1433-7851 | ||||||||
| Official Date: | 22 April 2014 | ||||||||
| Dates: |
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| Volume: | Volume 53 | ||||||||
| Number: | Number 17 | ||||||||
| Page Range: | pp. 4423-4427 | ||||||||
| DOI: | 10.1002/anie.201310110 | ||||||||
| Status: | Peer Reviewed | ||||||||
| Publication Status: | Published | ||||||||
| Access rights to Published version: | Restricted or Subscription Access |
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