Observation of critical behaviors in squaric acid by H nuclear magnetic resonance |
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| Authors: | C.E. Lee C.H. Lee M.W. Park |
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| Affiliation: | Department of Physics, Korea University, Anam-dong, Sungbuk-ku, Seoul 136-701, South Korea |
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| Abstract: | 1H nuclear magnetic resonance (NMR) was employed in order to investigate the phase transitions in a two-dimensional antiferroelectric system, squaric acid (H2C4O4). As a result, in addition to the critical behaviors around the long range order phase transition, similar behaviors were observed at higher temperatures where a short range order phase transition presumably takes place. |
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| Keywords: | 64.70.kb 76.60.&minus k |
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