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The article discusses the application of cationic chalcogenide in ionic liquids. It states that cationic chalcogenide is synthesized in acidic and electrophilic media and in strong acceptors. It mentions that chalcogenide clusters adopts a distinctive double-cubane structure, and displays a hexagonal pseudosymmetry. It also notes that ionic liquid stabilization creates synthetic opportunities to discover the cationic character of metal chalcogenides.

To achieve ultrahigh density memory devices with the capacity of 3n or larger, organic materials with multilevel stable states are highly desirable. Here, we reported a novel larger stable heteroacene, 2,3,13,14- tetradecyloxy-5,11,16,22-tetraaza-6,10,17,21-tetrachloro- 7,9,18,20-tetraoxa-8,19-dicyanoenneacene (CDPzN), which has two different types of heteroatoms (O and N) and nine linearly fused rings. The sandwich-structure memory devices based on CDPzN exhibited excellent ternary memory behaviors with high ON2/ON1/OFF current ratios of 106.3/104.3/1 and good stability for these three states [ABSTRACT FROM AUTHOR]