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Structure plays a crucial role in the physical properties of materials. Material synthesis, structure, and properties are interrelated with each other. Understanding the structure-property correlation is at the core of material science for designing materials with desired properties.
Delafossite materials have attracted the attention of researchers due to their fascinating structural, optical, electrical, and magnetic properties that make them potential candidates for photocatalysis, thermoelectricity, and transparent optoelectronic devices. These materials represent an ABO2-type structure, where A is a monovalent cation, and B is a trivalent cation. B is surrounded by octahedral arrangements of oxygen ions forming BO6 octahedra. A cation is linearly bonded to two oxygen ions.
In today’s talk, I will discuss the interesting results of dielectric, ferroelectric, and structural studies on polycrystalline copper-based delafossites (CuBO2, B = Cr/Fe), where structure-property correlation has been established. In the later part, future plans for in situ measurements of ferroelectric polarization and x-ray diffraction on single crystals at chemical crystallography beamline P24 will be discussed.