Pressure screening in the interior of primary shells in double-wall carbon nanotubes

J. Arvanitidis, D. Christofilos, K. Papagelis, K. S. Andrikopoulos, T. Takenobu, Y. Iwasa, H. Kataura, S. Ves, and G. A. Kourouklis

Phys. Rev. B 71, 125404 – Published 15 March 2005

Abstract

The pressure response of double-wall carbon nanotubes has been investigated by means of Raman spectroscopy up to $10 GPa$ . The intensity of the radial breathing modes of the outer tubes decreases rapidly but remain observable up to $9 GPa$ , exhibiting a behavior similar (but less pronounced) to that of single-wall carbon nanotubes, which undergo a shape distortion at higher pressures. In addition, the tangential band of the external tubes broadens and decreases in amplitude. The corresponding Raman features of the internal tubes appear to be considerably less sensitive to pressure. All findings lead to the conclusion that the outer tubes act as a protection shield for the inner tubes whereas the latter increase the structural stability of the outer tubes upon pressure application.

Received 7 September 2004

DOI:https://doi.org/10.1103/PhysRevB.71.125404

Authors & Affiliations

J. Arvanitidis^1,*, D. Christofilos¹, K. Papagelis², K. S. Andrikopoulos¹, T. Takenobu³, Y. Iwasa³, H. Kataura⁴, S. Ves⁵, and G. A. Kourouklis¹

¹Physics Division, School of Technology, Aristotle University of Thessaloniki, 541 24 Thessaloniki, Greece
²Materials Science Department, University of Patras, 265 04 Patras, Greece
³Institute for Materials Research, Tohoku University, 2-1-1 Katahira, Aoba-ku, Sendai 980-8577 and CREST, Japan Science and Technology Corporation, Kawaguchi 332-0012, Japan
⁴National Institute of Advanced Industrial Science and Technology (AIST), 1-1-1 Higashi, Tsukuba, Ibaraki 305-8562, Japan
⁵Physics Department, Aristotle University of Thessaloniki, 541 24 Thessaloniki, Greece

^*Author to whom correspondence should be addressed. Electronic address: jarvan@vergina.eng.auth.gr

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Vol. 71, Iss. 12 — 15 March 2005

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