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Gate-induced band ferromagnetism in an organic polymer | | Ryotaro Arita
; Yuji Suwa
; Kazuhiko Kuroki
; Hideo Aoki
; | | Date: |
27 Aug 2001 | | Subject: | Strongly Correlated Electrons | cond-mat.str-el | | Abstract: | We propose that a chain of five-membered rings (polyaminotriazole) should be ferromagnetic with an appropriate doping that is envisaged to be feasible with an FET structure. The ferromagnetism is confirmed by a spin density functional calculation, which also shows that ferromagnetism survives the Peierls instability. We explain the magnetism in terms of Mielke and Tasaki’s flat-band ferromagnetism with the Hubbard model. This opens a new possibility of band ferromagnetism in purely organic polymers. | | Source: | arXiv, cond-mat/0108413 | | Other source: | [GID 511638] pmid11909498 | | Services: | Forum | Review | PDF | Favorites | |
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