Issue 37, 2011
From the journal:

Physical Chemistry Chemical Physics

Metal-intercalated aromatic hydrocarbons: a new class of carbon-based superconductors

Yoshihiro Kubozono,*ab   Hiroki Mitamura,a   Xuesong Lee,a   Xuexia He,a   Yusuke Yamanari,c   Yosuke Takahashi,c   Yuta Suzuki,c   Yumiko Kaji,a   Ritsuko Eguchi,a   Koki Akaike,a   Takashi Kambe,c   Hideki Okamoto,d   Akihiko Fujiwara,e   Takashi Kato,f   Taichi Kosugigh  and  Hideo Aokig  

* Corresponding authors

a Research Laboratory for Surface Science, Okayama University, Okayama 700-8530, Japan
E-mail: kubozono@cc.okayama-u.ac.jp

b Research Centre for New Functional Materials for Energy Production, Transport and Storage, Okayama University, Okayama 700-8530, Japan

c Department of Physics, Okayama University, Okayama 700-8530, Japan

d Department of Chemistry and Biochemistry, Okayama University, Okayama 700-8530, Japan

e Japan Synchrotron Radiation Research Institute, SPring-8, Hyogo 679-5198, Japan

f Nagasaki Institute of Applied Science, Nagasaki 851-0121, Japan

g Department of Physics, The University of Tokyo, Tokyo 113-0033, Japan

h Nanosystem Research Institute, AIST, Umezono, Tsukuba 305-8568, Japan

Abstract

New carbon-based superconductors are synthesized by intercalating metal atoms into the solid-phase hydrocarbons picene and coronene. The highest reported superconducting transition temperature, Tc, of a hydrocarbon superconductor is 18 K for K3picene. The physics and chemistry of the hydrocarbon superconductors are extensively described for Axpicene (A: alkali and alkali earth-metal atoms) for x = 0–5. The theoretical picture of their electronic structure is also reviewed. Future prospects for hydrocarbon superconductors are discussed from the viewpoint of combining electronics with condensed-matter physics: modification of the physical properties of hydrocarbon solids is explored by building them into a field-effect transistor. The features of other carbon-based superconductors are compared to clarify the nature of hydrocarbon superconductors.

Graphical abstract: Metal-intercalated aromatic hydrocarbons: a new class of carbon-based superconductors

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Article information

DOI
https://doi.org/10.1039/C1CP20961B
Article type
Perspective
Submitted
29 Mar 2011
Accepted
15 Jul 2011
First published
17 Aug 2011

Phys. Chem. Chem. Phys., 2011,13, 16476-16493

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Metal-intercalated aromatic hydrocarbons: a new class of carbon-based superconductors

Y. Kubozono, H. Mitamura, X. Lee, X. He, Y. Yamanari, Y. Takahashi, Y. Suzuki, Y. Kaji, R. Eguchi, K. Akaike, T. Kambe, H. Okamoto, A. Fujiwara, T. Kato, T. Kosugi and H. Aoki, Phys. Chem. Chem. Phys., 2011, 13, 16476 DOI: 10.1039/C1CP20961B

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