Polar oxide materials – those with a macroscopic dipole moment – are ubiquitous in advanced technologies, i.e. computer memories, sensors, etc. The design and synthesis of new polar oxides, however, remains an ongoing challenge. Macroscopic polarity implies microscopic polarity, in other words some of the coordination polyhedra must be polar. As is often the case, the local dipole moment in the coordination polyhedra is directed in opposite directions resulting in a non-polar material. In this presentation we will discuss strategies toward designing new polar oxide materials, as well as the characterization of their functional properties. Specifically we will demonstrate that by exploiting second-order Jahn Teller distortions, we can design and synthesize new polar oxide materials. In addition we will describe the top-seeded solution crystal growth (tssg) of centimeter size crystals of Na₂TeW₂O₉, LiFeP₂O₇, and K₃V₅O₁₄. Functional properties will be presented, and structure-property relationships will be discussed and explored.

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1. Single crystal growth, characterization, and properties of multifunctional materials LiMP₂O₇ (M = Fe, Cr)
2. Single Crystal Growth, Characterization, and Properties of Multifunctional Materials LiMP₂O₇ (M = Fe, Cr)