New Incommensurate Phase in K_2ZnCl_4 at Low Temperature
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概要
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The satellite reflections at (#-l-0.5, A-l-0.5, /) in K.ZnCl. have been measured byneutron diffraction above and below the first-order phase transition at 144.5 K. In theintermediate phase between 144.5 K and 148,0 K,the satellite reflection at (2.5, 1.5, 0)splits into two peaks at (2.5 : (>, 1.5, 0). This indicates that the intermediate phase isof an incommensurate structure which is characterized by the modulation wavenumber vector of q = (0.5 : 75)a: -[- 0.5#j . The misfit parameter i is about 0.04, and itstemperature variation is slight.
- 社団法人日本物理学会の論文
- 1990-02-15
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