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Plasmon resonances in C60 fullerene dimers are investigated using time-dependent density functional theory. Owing to larger separation between molecules, there exist capacitive coupling plasmon modes in fullerene dimers. With the decrease of the gap distance, low-energy capacitive coupling plasmon modes show red shift. When the gap distance further decreases, because of the electrons tunneling across the dimer junction, plasmon resonance modes of C60 fullerene dimers are significantly modified, and the charge transfer plasmon modes occur. C60 fullerene dimer is different from metallic nanostructures dimmer. As the gap distance is again reduced, the charge transfer plasmon modes are not blue-shifted, but they are further red-shifted. In the range of the visible spectrum, C60 fullerene dimmers have strong absorption peaks.
[1] Kroto H W, Heath J R, O'Brien S C, Curl R F, Smalley R E 1985 Nature 318 162
[2] Gao H, Zhu W H, Tang C M, Geng F F, Yao C D, Xu Y L, Deng K M 2010 Acta Phys. Sin. 59 1707 (in Chinese) [高虹, 朱卫华, 唐春梅, 耿芳芳, 姚长达, 徐云玲, 邓开明 2010 59 1707]
[3] Zhang H Y, Wang L G, Zhang X M, Yu D W, Li Y 2008 Acta Phys. Sin. 57 6271 (in Chinese) [张鸿宇, 王利光, 张秀梅, 郁鼎文, 李勇 2008 57 6271]
[4] Iwahara N, Chibotaru L F 2013 Phys. Rev. Lett. 111 056401
[5] Bilodeau R C, Gibson N D, Walter C W, Esteves-Macaluso D A, Schippers S, Mller A, Phaneuf R A, Aguilar A, Hoener M, Rost J M, Berrah N 2013 Phys. Rev. Lett. 111 043003
[6] Yao M G, Du M R, Liu B B 2013 Chin. Phys. B 22 098109
[7] He S Z, Merlitz H, Wu C X 2014 Chin. Phys. B 23 048201
[8] Verkhovtsev A V, Korol A V, Solov'yov A V 2013 Phys. Rev. A 88 043201
[9] Verkhovtsev A V, Korol A V, Solov'yov A V 2013 J. Phys.: Conf. Ser. 438 012011
[10] Rossel F, Pivetta M, Patthey F, Schneider W D 2009 Opt. Express 17 2714
[11] Moskalenko A S, Pavlyukh Y, Berakdar J 2012 Phys. Rev. A 86 013202
[12] Xu M F, Zhu X Z, Shi X B, Liang J, Jin Y, Wang Z K, Liao L S 2013 ACS Appl. Mater. Interfaces 5 2935
[13] Li C Z, Miškovi Z L, Goodman F O, Wang Y N 2013 J. Appl. Phys. 113 184301
[14] Keller J W, Coplan M A 1992 Chem. Phys. Lett. 193 89
[15] Rubio A, Alonso J A, Lopez J M, Stott M J 1993 Physica B 183 247
[16] Zuloaga J, Prodan E, Nordlander P 2009 Nano Lett. 9 887
[17] Song P, Meng S, Nordlander P, Gao S W 2012 Phys. Rev. B 86 121410
[18] Song P, Nordlander P, Gao S W 2011 J. Chem. Phys. 134 074701
[19] Tsai C Y, Lin J W, Wu C Y, Lin P T, Lu T W, Lee P T 2012 Nano Lett. 12 1648
[20] Marques M A L, Castro A, Bertsch G F, Rubio A 2003 Comput. Phys. Commun. 151 60
[21] Yabana K, Bertsch G F 1996 Phys. Rev. B 54 4484
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[1] Kroto H W, Heath J R, O'Brien S C, Curl R F, Smalley R E 1985 Nature 318 162
[2] Gao H, Zhu W H, Tang C M, Geng F F, Yao C D, Xu Y L, Deng K M 2010 Acta Phys. Sin. 59 1707 (in Chinese) [高虹, 朱卫华, 唐春梅, 耿芳芳, 姚长达, 徐云玲, 邓开明 2010 59 1707]
[3] Zhang H Y, Wang L G, Zhang X M, Yu D W, Li Y 2008 Acta Phys. Sin. 57 6271 (in Chinese) [张鸿宇, 王利光, 张秀梅, 郁鼎文, 李勇 2008 57 6271]
[4] Iwahara N, Chibotaru L F 2013 Phys. Rev. Lett. 111 056401
[5] Bilodeau R C, Gibson N D, Walter C W, Esteves-Macaluso D A, Schippers S, Mller A, Phaneuf R A, Aguilar A, Hoener M, Rost J M, Berrah N 2013 Phys. Rev. Lett. 111 043003
[6] Yao M G, Du M R, Liu B B 2013 Chin. Phys. B 22 098109
[7] He S Z, Merlitz H, Wu C X 2014 Chin. Phys. B 23 048201
[8] Verkhovtsev A V, Korol A V, Solov'yov A V 2013 Phys. Rev. A 88 043201
[9] Verkhovtsev A V, Korol A V, Solov'yov A V 2013 J. Phys.: Conf. Ser. 438 012011
[10] Rossel F, Pivetta M, Patthey F, Schneider W D 2009 Opt. Express 17 2714
[11] Moskalenko A S, Pavlyukh Y, Berakdar J 2012 Phys. Rev. A 86 013202
[12] Xu M F, Zhu X Z, Shi X B, Liang J, Jin Y, Wang Z K, Liao L S 2013 ACS Appl. Mater. Interfaces 5 2935
[13] Li C Z, Miškovi Z L, Goodman F O, Wang Y N 2013 J. Appl. Phys. 113 184301
[14] Keller J W, Coplan M A 1992 Chem. Phys. Lett. 193 89
[15] Rubio A, Alonso J A, Lopez J M, Stott M J 1993 Physica B 183 247
[16] Zuloaga J, Prodan E, Nordlander P 2009 Nano Lett. 9 887
[17] Song P, Meng S, Nordlander P, Gao S W 2012 Phys. Rev. B 86 121410
[18] Song P, Nordlander P, Gao S W 2011 J. Chem. Phys. 134 074701
[19] Tsai C Y, Lin J W, Wu C Y, Lin P T, Lu T W, Lee P T 2012 Nano Lett. 12 1648
[20] Marques M A L, Castro A, Bertsch G F, Rubio A 2003 Comput. Phys. Commun. 151 60
[21] Yabana K, Bertsch G F 1996 Phys. Rev. B 54 4484
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