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A new nanocluster carbyne-based material synthesized under high pressure |
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| Authors: | S V Demishev A A Pronin N E Sluchanko N A Samarin V V Glushkov A G Lyapin M V Kondrin V V Brazhkin T D Varfolomeeva S V Popova H Ohta |
| Institution: | (1) General Physics Institute, Russian Academy of Sciences, Moscow, 117942, Russia;(2) Institute of High Pressure Physics, Russian Academy of Sciences, Troitsk, Moscow oblast, 142092, Russia;(3) Molecular Photoscience Research Center and Department of Physics, Kobe University, Rokkodai, Nada, Kobe 657-8501, Japan |
| Abstract: | The DC and AC conductivities and the magnetoresistance and thermopower of carbyne samples were studied over the temperature range 1.8–300 K at frequencies 10 MHz–1 GHz. It was established that a variation in the fraction of sp 2 bonds in carbynes induces a transition from one-to two-and then to three-dimensional conduction. The physical properties of the new carbyne-based solids may be understood within the model treating carbyne as a nanocluster material based on linear carbon chains and having a characteristic cluster size of 1 to 10 nm. |
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