Abstract:
Intermittent and irregular motion of isolated twin boundary (kink) in organic crystal (TMTSF)2PF6 was studied at room temperature. Both the local velocity and the time of intermission are determined not only by external stress and temperature but also by the time (t w) elapsed after the backward passage and before the following forward one. When the kink moves after longer t w, its velocity becomes smaller and the time of intermission longer. Both tend to saturate for t w longer than 102 s. This result indicates that some disorder is induced in the lattice by the backward motion and it is relaxed during t w. We also found that the effect of the backward motion of one kink on its following motion is equivalent quantitatively to that of the forward motion of the pair-created counterpart.
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Received: 14 April 1998 / Received in final form and Accepted: 1st September 1998
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Mukoujima, M., Kawabata, K. & Sambongi, T. Dynamics of isolated twin boundary in (TMTSF) . Eur. Phys. J. B 7, 365–369 (1999). https://doi.org/10.1007/s100510050623
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DOI: https://doi.org/10.1007/s100510050623