Evidence for a new,stress-induced phase transition in KMnF3 |
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Authors: | E Strauß HJ Riederer |
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Institution: | 1. Fachbereich Physik, Universität Regensburg, Regensburg, West Germany |
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Abstract: | A new, stress-induced phase of KMnF3 is found in emission, absorption and a.c.-susceptibility measurements. The phase transition is of first order and it occurs under uniaxial stress parallel to the 100] and to the 110] pseudocubic axes at 20.1 and 27 kp/mm2 at 1.7 K. The experimental results are explained by a change in the amount of the tetragonal distortion in the new, stress-induced phase. |
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