New phase transition in (CnH2n+1NH3)2MnCl4 |
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| Authors: | H Arend R Hofmann F Waldner |
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| Institution: | Laboratory of Solid State Physics, Swiss Federal Institute of Technology, Zürich, Switzerland;Institute of Physics, University of Zürich, Switzerland |
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| Abstract: | (CnH2n+1NH3)2MnCl4 consist of perovskite-type layers sandwiched between hydrocarbon radical layers. New phase transitions were found between liquid nitrogen and decomposition temperature in these compounds by differential thermal analysis and hot stage microscopy. A systematic research of the lattice dynamics, the transition mechanisms, their influence on physical properties and their dependence on the various possibilities of molecular engineering offered in these quasi two-dimensional perovskites was started. |
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