Abstract
β-Eucryptite (LiAlSiO 4) crystallizers in a quarts-like structure with Li +-ions arranged in structure main channels parallel to the cyrstallographic c-axis. This crystallographic arrangement and an order-disorder phase transition of the Li +-ions stimulated ionic conductivity measurements along the direction of the c-axis. LiAlSiO 4 monocrystals of high quality have been synthesized by a flux technique. Total conductivity as well as partial electronic conductivity of β-Eucryptite have been measured parallel and perpendicular to the crystallographic main axis. From the anisotropy of the total conductivity we conclude that β-Eucryptite is a real one-dimentional Li +-ionic conductor.
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