Výsledky vyhledávání - "Atsushi Yamashiro"

Magnetic vs. charge ordered states, and electric capacitance in zigzag nanographite ribbons

Autor: Kikuo Harigaya, Katsunori Wakabayashi, Yukihiro Shimoi, Atsushi Yamashiro

Publikováno v: Synthetic Metals. 152:317-320

Nanographite materials show novel electronic properties: spin glass like behaviors [1], the on/off switching of magnetism with molecule adsorptions [2], and so on. Here, we study electronic states in nanographite ribbons with zigzag edges. Effects of

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::1f4c36fd0939c637738b85971d586011
https://doi.org/10.1016/j.synthmet.2005.07.204

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Theoretical investigation on electronic properties of topological materials: Möbius nanographite and conjugated polymers

Autor: Atsushi Yamashiro, Kikuo Harigaya, Yukihiro Shimoi, Katsunori Wakabayashi

Publikováno v: Synthetic Metals. 152:261-264

Recent theoretical developments on topological materials, Mobius nanographite and Mobius conjugated polymers, are reported. (I) In nanographite systems with the Mobius boundary condition, there appears a novel magnetic domain. However, this domain st

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::baa0e925e819733bfcafa1b05f7df5a3
https://doi.org/10.1016/j.synthmet.2005.07.093

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Magnetic and charge orders in zigzag nanographene ribbons

Autor: Kikuo Harigaya, Atsushi Yamashiro, Yukihiro Shimoi, Katsunori Wakabayashi

Publikováno v: Current Applied Physics. 4:587-590

We theoretically study the electronic states in graphene ribbons which are strongly affected by the edge states, the peculiar non-bonding molecular orbitals localized along the zigzag edges of the ribbons. New kinds of edge localized electronic state

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::08ed5382edb8f39f2e6f8f3de89ab3ae
https://doi.org/10.1016/j.cap.2004.01.024

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Electronic states and persistent current of nanographite ring

Autor: Katsunori Wakabayashi, Atsushi Yamashiro, Kikuo Harigaya, Shin'ichi Nakamura

Publikováno v: Physica E: Low-dimensional Systems and Nanostructures. 22:684-687

We present the electronic states and persistent current of nanographite ring based on the nearest-neighbor tight-binding model under periodic or Mobius boundary conditions. It is found that the parity of transverse mode and edge structures are decisi

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::cc40c28b44f6e554de14648f28b4a122
https://doi.org/10.1016/j.physe.2003.12.099

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