Slowing down of the relaxational dynamics at the ferroelectric phase transition in one-dimensional (TMTTF)_2AsF_6

D. Staresinic; K. Biljakovic; P. Lunkenheimer; A. Loidl

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Slowing down of the relaxational dynamics at the ferroelectric phase transition in one-dimensional (TMTTF)_2AsF_6

机译：一维（TMTTF）_2AsF_6中铁电相变时弛豫动力学的减慢

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We present measurements of the dielectric response of quasi one-dimensional system (TMTTF)_2AsF_6 in a wide temperature and frequency range. We provide a thorough characterization of the relaxational dynamics observed close to the ferroelectric-like transition at T_c= 100 K. Our measurements, extending up to 100 MHz, reveal a continuous slowing down of the mean relaxation time when approaching T_c from high as well as from low temperatures. The simultaneous critical rise of the dielectric constant and relaxation time point to an explanation of the transition in terms of a classic ferroelectric scenario.

机译：我们提出了在宽温度和频率范围内对准一维系统（TMTTF）_2AsF_6的介电响应的测量。我们提供了在T_c = 100 K时接近铁电体跃迁时所观察到的弛豫动力学的全面表征。我们的测量范围一直扩展到100 MHz，揭示了从高到接近T_c时平均弛豫时间的持续降低。来自低温。介电常数和弛豫时间的同时临界上升表明，对经典铁电情形的转变进行了解释。

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来源
《Solid State Communications》 |2006年第5期|p.241-245|共5页
作者
D. Staresinic; K. Biljakovic; P. Lunkenheimer; A. Loidl;
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作者单位

Institute of Physics, Bijenicka 46, P.O. Box 304, HR-10001 Zagreb, Croatia;

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正文语种 eng
中图分类固体物理学;
关键词
A. Organic crystals; A. Ferroelectrics; D. Dielectric response; D. Phase transitions;

机译：A.有机晶体;A。铁电体;D.介电响应;D.相变;

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5. Accurate treatments of electronic correlation: Phase transitions in an idealized one-dimensional ferroelectric and modelling experimental quantum dots. [D] . Wilkens, Timothy James. 2001

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6. Machine learning–enabled identification of material phase transitions based on experimental data: Exploring collective dynamics in ferroelectric relaxors [O] . Linglong Li, Yaodong Yang, Dawei Zhang, 2018

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7. Slowing down of the relaxational dynamics at the ferroelectric phase transition in one-dimensional (TMTTF)2AsF6 [O] . Staresinic, D., Biljakovic, K., Lunkenheimer, P., 2005

机译：减缓铁电相的弛豫动力学一维（TmTTF）2asF6的过渡

Slowing down of the relaxational dynamics at the ferroelectric phase transition in one-dimensional (TMTTF)_2AsF_6

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