High Pressure and Temperature Synthesis of New Electronic Perovskite Oxides
Lead Research Organisation:
University of Edinburgh
Department Name: Sch of Chemistry
Abstract
Electronic properties of metal oxides such as superconductivity and colossal magnetoresistance are important both for fundamental science and for applications. We aim to discover new materials with notable properties by preparing new or ill-characterised perovskites at high temperatures (1000 C) and pressures (5-20 GPa) - perovskites are dense phases and so are favoured under such conditions. Target materials include cubic and layered Cr4+ perovskites, new Bi materials with multiferroic properties, and new magnetic cuprate superconductors. A press and a Walker multianvil module are requested for synthesis. The materials will be characterised by X-ray and neutron diffraction and electron microscopy, and conducting, magnetic and ferroelectric properties will be measured. The project will benefit from collaborations with other UK groups for measurements and with leading European high pressure synthesis laboratories (through an EU COST network).
People |
ORCID iD |
J Attfield (Principal Investigator) |
Publications
Rodgers J
(2006)
High-pressure / High-temperature Synthesis of Transition Metal Oxide Perovskites
in Zeitschrift für Naturforschung B
Azuma M
(2007)
Pressure-induced intermetallic valence transition in BiNiO3.
in Journal of the American Chemical Society
Ortega-San-Martin L
(2007)
Microstrain sensitivity of orbital and electronic phase separation in SrCrO3.
in Physical review letters
Bos JW
(2008)
High pressure synthesis of late rare earth RFeAs(O,F) superconductors; R = Tb and Dy.
in Chemical communications (Cambridge, England)
Luis Ortega-San-Martin
(2008)
Synthesis, structure and properties of the (Bi0.5Sr0.5)(Co0.5Ru0.5)O-3 perovskite
in Zeitschrift fur naturforschung section b-A journal of chemical sciences
Rodgers J
(2008)
Magnetic Order from Cation Disorder in SrCr x Ru 1- x O 3 Perovskite Oxides
in Chemistry of Materials
Kimber SA
(2009)
Metal-insulator transition and orbital order in PbRuO3.
in Physical review letters
Yates K
(2009)
Investigation of superconducting gap structure in TbFeAsO 0.9 F 0.1 using point contact Andreev reflection
in New Journal of Physics
Yang M
(2009)
Direct solid-state synthesis at high pressures of new mixed-metal oxynitrides: RZrO(2)N (R = Pr, Nd, and Sm).
in Inorganic chemistry
Hosaka Y
(2016)
Charge and spin order in the perovskite CaF e 0.5 M n 0.5 O 3 : Charge disproportionation behavior of randomly arranged F e 4 +
in Physical Review B
Description | The main achievement was the successful installation and commissioning of a high pressure and temperature materials synthesis facility. Highlight results were the synthesis of new superconductors, and of new magnetic oxides with unusual low temperature orbital ordered states. |
Description | European Commission |
Organisation | European Commission |
Country | European Union (EU) |
Sector | Public |
Start Year | 2006 |