Pressure-induced phenomena in single-walled carbon nanotubes

被引：6
|
作者：
Kuntscher, C. A. [1 ]
Thirunavukkuarasu, K.
Pekker, A.
Kamaras, K.
Hennrich, F.
Kappes, M.
Iwasa, Y.
机构：
[1] Univ Augsburg, Inst Expt Phys 2, D-86159 Augsburg, Germany
[2] Hungarian Acad Sci, Res Inst Solid State Phys & Opt, H-1525 Budapest, Hungary
[3] Forschungszentrum Karlsruhe, Inst Nanotechnol, D-76021 Karlsruhe, Germany
[4] Tohoku Univ, Mat Res Inst, Sendai, Miyagi 9808577, Japan
来源：
PHYSICA STATUS SOLIDI B-BASIC SOLID STATE PHYSICS | 2007年 / 244卷 / 11期
关键词：
D O I：
10.1002/pssb.200776169
中图分类号：
O469 [凝聚态物理学];
学科分类号：
070205 ;
摘要：
Pressure-dependent transmittance measurements on films of unoriented and oriented single-walled carbon nanotubes were carried out at room temperature in the midinfrared up to the visible frequency range. The optical transitions in the SWNTs show anomalies at around 2 GPa, which can be attributed to a structural phase transition. The shift to lower frequencies and broadening of the absorption bands with increasing pressure could be attributed to the structural deformation of the SWNTs. We found no indications for a pressure-induced dimensional crossover in the oriented SWNTs. (c) 2007 WILEY-VCH Verlag GmbH & Co. KGaA, Weinheim.
引用
收藏
页码：3982 / 3985
页数：4
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