High Pressure and Temperature Synthesis of New Electronic Perovskite Oxides

金属氧化物的电子特性，如超导性和巨磁阻，对基础科学和应用都很重要。我们的目标是通过在高温（1000℃）和高压（5-20 GPa）下制备新的或特性不佳的钙钛矿来发现具有显著性能的新材料——钙钛矿是致密相，因此在这种条件下更受青睐。目标材料包括立方和层状Cr4+钙钛矿、具有多铁性质的新型Bi材料和新型磁性铜超导体。需要一个压力机和一个沃克多砧模块进行合成。这些材料将通过x射线和中子衍射以及电子显微镜进行表征，并测量导电、磁性和铁电性能。该项目将受益于与其他英国测量小组和欧洲领先的高压合成实验室（通过欧盟成本网络）的合作。

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).