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首页> 外文期刊>Nanotechnology >Observation of Peierls transition in nanowires (diameter similar to 130 nm) of the charge transfer molecule TTF-TCNQ synthesized by electric-field-directed growth
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Observation of Peierls transition in nanowires (diameter similar to 130 nm) of the charge transfer molecule TTF-TCNQ synthesized by electric-field-directed growth

机译：通过电场定向生长合成的电荷转移分子TTF-TCNQ的纳米线（直径类似于130 nm）中的Peierls跃迁的观察

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摘要

We report the growth of nanowires of the charge transfer complex tetrathiafulvalene-tetracyanoquinodimethane (TTF-TCNQ) with diameters as low as 130 nm and show that such nanowires can show Peierls transitions at low temperatures. The wires of sub-micron length were grown between two prefabricated electrodes (with sub-micron gap) by vapor phase growth from a single source by applying an electric field between the electrodes during the growth process. The nanowires so grown show a charge transfer ratio similar to 0.57, which is close to that seen in bulk crystals. Below the transition the transport is strongly nonlinear and can be interpreted as originating from de-pinning of CDW that forms at the Peierls transition.
机译：我们报道了直径低至130 nm的电荷转移复合物四硫富瓦烯-四氰基喹二甲烷（TTF-TCNQ）纳米线的生长，并表明这种纳米线可以在低温下显示Peierls跃迁。通过在生长过程中在电极之间施加电场，从单一来源通过气相生长在两个预制电极（具有亚微米间隙）之间生长亚微米长的导线。如此生长的纳米线显示出​​类似于0.57的电荷转移率，接近于体晶体中的电荷转移率。在过渡以下，传输是高度非线性的，可以解释为源自在Peierls过渡形成的CDW的去钉扎作用。

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