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Crystal structure of paraelectric phase and incommensurate nature of intermidiate phase of ferroelectric trichloroacetamide
| Content Provider | Semantic Scholar |
|---|---|
| Author | Saito, Kazuya Yamamura, Yasuhisa Kikuchi, Naoya Nakao, Akiko Yasuzuka, Syuma Akishige, Yukikuni Murakami, Youichi |
| Copyright Year | 2011 |
| Abstract | Introduction Crystalline trichloroacetamide (TCAA) is an organic ferroelectrics and undergoes two successive phase transitions around 355 K [1], below which the crystal is ferroelectric (FE) [2]. The full crystal structural solution has been reported only for the FE phase due to its high vapor pressure. In a small temperature interval of ca. 2 K between the two successive transitions, the intermediate (IM) phase appears and its structure was suggested to be incommensurate [3]. It was reported that through the successive phase transitions the unit cell remains essentially the same but the space group changes from P21 (FE phase) to P21/c [paraelectric (PE) phase above the higher transition temperature] [4]. In this study, the crystal structure of the PE phase and the incommensurate nature of the IM phase were revealed utilizing synchrotron orbital radiation. Details can be found in [5]. |
| File Format | PDF HTM / HTML |
| Alternate Webpage(s) | http://pfwww.kek.jp/acr2010pdf/part_b/pf10b160.pdf |
| Language | English |
| Access Restriction | Open |
| Content Type | Text |
| Resource Type | Article |
