Theoretical studies on electronic states of Rh-C60. Possibility of a room-temperature organic ferromagnet |
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| Authors: | Nakano S Kitagawa Y Kawakami T Okumura M Nagao H Yamaguchi K |
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| Institution: | Department of Chemistry, Graduate School of Science, Osaka University, Toyonaka, Osaka 560-0043, Japan. |
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| Abstract: | A possible mechanism for a ferromagnetic interaction in the rhombic (Rh) form of C60 (Rh-C60) is suggested on the basis of theoretical studies in relation to cage distortion of the C60 unit in the polymerized 2D-plane. Band structure calculations on Rh-C60 show that cage distortion leads to competition between diamagnetic and ferromagnetic states,which give rise to the possibility of thermally populating the ferromagnetic state. |
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