Possible Charge-Ordered States in Boron–Nitride and Boron–Carbon–Nitride Nanotubes and Nanoribbons
نویسندگان
چکیده
منابع مشابه
Possible charge ordered states in BN (BCN) nanotubes and nanoribbons
Electronic states in boron-nitride and boron-carbon-nitride nanoribbons with zigzag edges are studied using the extended Hubbard model with nearest neighbor Coulomb interactions. The charge and spin polarized states are considered, and the phase diagram between two states is obtained. Next, the electric capacitance is calculated in order to examine the nano-functionalities of the system. Due to...
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Electronic states in boron-nitride and boron-carbon-nitride nanoribbons with zigzag edges are studied using the extended Hubbard model with nearest neighbor Coulomb interactions. The charge and spin polarized states are considered, and the phase diagram between two states is obtained. Next, the electric capacitance is calculated in order to examine the nano-functionalities of the system. Due to...
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Motivated by recent neutron scattering and scanning tunneling microscopy ~STM! experiments on cuprate superconductors, we discuss charge-ordered states, in particular with two-dimensional charge modulation patterns, coexisting with superconductivity. We extend previous studies of a large-N mean-field formulation of the t-J model. In addition to bond-centered superconducting stripe states at low...
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Acknowledgments I must admit that pursuing my graduate studies here at the University of Texas at Austin gave me a rare opportunity to be under the tutelage of talented professors. However, today I feel chiefly indebted to my advisor Dr. Allan MacDonald for the patience and sincerity he has shown me in regard to this dissertation. I would like to take this opportunity to express my gratitude, f...
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For temperatures above T∗ = 130K C60⋅C8H8 forms a cubic crystal consisting of two interpenetrating fcc sublattices, one of freely rotating Buckys C60 and the other of orientationally ordered cubane C8H8. The crystal structure below a discontinuous transition is found to be orthorhombic, but the nature of the ordering of the Buckys has not yet been determined. Here possible orderings of the Buck...
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ژورنال
عنوان ژورنال: Japanese Journal of Applied Physics
سال: 2006
ISSN: 0021-4922,1347-4065
DOI: 10.1143/jjap.45.7237