Автор |
Srinivasan, Bhargavi |
Автор |
Ramasesha, S. |
Дата выпуска |
1995 |
dc.description |
AbstractBased on the topology of C<sup>60</sup> and the resulting non-disjoint nature of the lowest unoccupied molecular orbitals, we propose a new model for ferromagnetic exchange in C<sup>60</sup>-TDAE. Within the Hubbard model, we find that the ferromagnetic exchange integral is stabilized to first order in the inter-ball transfer integral, while the antiferromagnetic coupling is stabilized only to second order. This difference is adequate to counter the larger phase space available for stabilizing the antiferromagnetic state. Thus, the ground state is found to be ferromagnetic for reasonable inter-ball transfer integrals. |
Формат |
application.pdf |
Издатель |
Taylor & Francis Group |
Копирайт |
Copyright Taylor and Francis Group, LLC |
Название |
A New Mechanism for Ferromagnetism in C<sup>60</sup>-Tdae<sup>1</sup> |
Тип |
research-article |
DOI |
10.1080/153638X9508543820 |
Print ISSN |
1064-122X |
Журнал |
Fullerene Science and Technology |
Том |
3 |
Первая страница |
747 |
Последняя страница |
754 |
Выпуск |
6 |