Single‐Walled Carbon Nanotubes Shock‐Compressed to 0.5?Mbar

Botella Pablo; Devaux Xavier; Dossot Manuel; Garashchenko Viktor; Beltzung Jean Charles; Soldatov Alexander V.; Ananev Sergey

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Single‐Walled Carbon Nanotubes Shock‐Compressed to 0.5?Mbar

机译：单壁碳纳米管冲击压缩至0.5？MBAR

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> Following our dynamic (shock wave) compression experiments on single‐walled (SW) HiPCO carbon nanotubes (CNTs) [M. No?l et al., Phys. Stat us Sol idi RRL 2014 , 8 , 935], we extended the range of shock compression to ≈0.5?Mbar in quest of new forms of nanostructured carbon derived from crushed SWCNTs. The material recovered after shock is characterised by multi‐wavelength Raman spectroscopy and high‐resolution transmission electron microscopy (HRTEM). Two distinct types of material are identified: (i) multi‐layer graphene (MLG) and (ii) a mixture of disordered nanometer‐sized graphene clusters and amorphous carbon. No diamond‐like carbon or carbon nano‐onions are found in the sample. The coherent scattering size of MLG clusters ( L _a ) is estimated at 30?nm from the D‐ to G‐band intensity ratio dependence on the photon excitation energy. We demonstrate the capabilities of Raman spectroscopy for characterisation and analysis of the multi‐phase spectra of disordered carbon. Particulars of CNT transformation to other structural forms of carbon at high pressure/temperature are discussed.

机译： > 遵循我们在单壁（SW）HIPCO碳纳米管（CNT）上的动态（冲击波）压缩实验[M.没有？l等人。， phy。 STAT US SOL IDI RRL 2014 那 8 如图935所示，我们将冲击压缩范围扩展到≈0.5？曼巴·曼巴尔以衍生自破碎的SWCNT的新形式的纳米结构碳。休克后回收的材料的特征在于多波长拉曼光谱和高分辨率透射电子显微镜（HRTEM）。鉴定了两个不同类型的材料：（i）多层石墨烯（MLG）和（ii）无序的纳米尺寸的石墨烯簇和无定形碳的混合物。在样品中没有发现菱形碳或碳纳米洋葱。 MLG簇的相干散射尺寸（ l _{a 从D-t到G波段强度比依赖于光子激发能量，估计为30·nm。我们证明了拉曼光谱的能力，用于表征和分析无序碳的多相光谱。讨论了在高压/温度下对其他结构形式的碳的CNT转化的细节。}

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《Physica status solidi, B. Basic research》 |2017年第11期|共1页
作者
Botella Pablo; Devaux Xavier; Dossot Manuel; Garashchenko Viktor; Beltzung Jean Charles; Soldatov Alexander V.; Ananev Sergey;
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作者单位

Department of Engineering Sciences and MathematicsLule? University of TechnologySE‐97187 Lule? Sweden;

Institut Jean Lamour UMR 7198 CNRS–Université de Lorraine Campus ARTEM 2 allée André Guinier BP 50840F‐54011 Nancy Cedex France;

LCPME UMR 7564 CNRS‐Université de Lorraine 405 rue de Vandoeuvre F‐54600Villers‐lés‐Nancy France;

Department of Engineering Sciences and MathematicsLule? University of TechnologySE‐97187 Lule? Sweden;

Department of Engineering Sciences and MathematicsLule? University of TechnologySE‐97187 Lule? Sweden;

Department of Engineering Sciences and MathematicsLule? University of TechnologySE‐97187 Lule? Sweden;

Joint Institute for High Temperatures of RAS Izhorskaya st. 13 Bd.2125412 Moscow Russia;

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原文格式 PDF
正文语种 eng
中图分类固体物理学;
关键词
carbon nanotubes; graphene; high‐resolution transmission electron microscopy; Raman spectroscopy; shock wave;

机译：碳纳米管;石墨烯;高分辨率透射电子显微镜;拉曼光谱;冲击波;

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2. Single‐Walled Carbon Nanotubes Shock‐Compressed to 0.5?Mbar (Phys. Status Solidi B 11/2017) [J] . Botella Pablo, Devaux Xavier, Dossot Manuel, Physica status solidi, B. Basic research . 2017,第11期

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Single‐Walled Carbon Nanotubes Shock‐Compressed to 0.5?Mbar

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