Dilatometric Study of the Phase Transition in (CH3NH3)5Bi2Cl11 |
| H. Pykacz Institute of Physics, Technical University of Wrocław Wybrzeże Wyspiańskiego 27, 50-370 Wrocław, Poland and R. Jakubas Institute of Chemistry, University of Wrocław, F. Joliot-Curie 14, 50-383 Wrocław, Poland |
| Received: December 11, 1990 |
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| The paper reports a dilatometric study on (CH3NH3)5Bi2Cl11 single crystals. It is shown that elongation of the crystal is continuous but linear thermal expansion coefficients are discontinuous at phase transition temperature. |
| DOI: 10.12693/APhysPolA.79.695 PACS numbers: 64.70.Kb, 65.70.+y |