Computational analysis method of local electrical conductive property in nano-size materials

Masato Senami; Makoto Nakanishi; Akitomo Tachibana

doi:10.1063/1.5085360

Computational analysis method of local electrical conductive property in nano-size materials

Masato Senami, Makoto Nakanishi, Akitomo Tachibana

Research output: Contribution to journal › Article › peer-review

Abstract

Two new local conductance quantities are studied. The ordinary global conductance may not be appropriate for the study of nanosize materials, while our new local conductance quantities have an advantage for the study of these materials. Graphene is chosen as a nano-material example for our study since graphene has a simple conduction property. The integrated value of our local conductances are compared to the conductance of the Landauer formula. The local conductances in various local regions in graphene sheet are studied, and it is demonstrated that our local conductances have good properties for the analysis of nanosize materials.

Original language	English
Journal	AIP Advances
Volume	9
Issue number	2
DOIs	https://doi.org/10.1063/1.5085360
Publication status	Published - Feb 1 2019
Externally published	Yes

ASJC Scopus subject areas

Physics and Astronomy(all)

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10.1063/1.5085360

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title = "Computational analysis method of local electrical conductive property in nano-size materials",

abstract = "Two new local conductance quantities are studied. The ordinary global conductance may not be appropriate for the study of nanosize materials, while our new local conductance quantities have an advantage for the study of these materials. Graphene is chosen as a nano-material example for our study since graphene has a simple conduction property. The integrated value of our local conductances are compared to the conductance of the Landauer formula. The local conductances in various local regions in graphene sheet are studied, and it is demonstrated that our local conductances have good properties for the analysis of nanosize materials.",

author = "Masato Senami and Makoto Nakanishi and Akitomo Tachibana",

note = "Funding Information: This work was supported in part by a Grant-in-Aid for Scientific Research (C) (17K04982) and Grant for Basic Science Research Projects from The Sumitomo Foundation. The computations were performed in part using Research Center for Computational Science, Okazaki, Japan. Publisher Copyright: {\textcopyright} 2019 Author(s).",

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AU - Nakanishi, Makoto

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Y1 - 2019/2/1

N2 - Two new local conductance quantities are studied. The ordinary global conductance may not be appropriate for the study of nanosize materials, while our new local conductance quantities have an advantage for the study of these materials. Graphene is chosen as a nano-material example for our study since graphene has a simple conduction property. The integrated value of our local conductances are compared to the conductance of the Landauer formula. The local conductances in various local regions in graphene sheet are studied, and it is demonstrated that our local conductances have good properties for the analysis of nanosize materials.

AB - Two new local conductance quantities are studied. The ordinary global conductance may not be appropriate for the study of nanosize materials, while our new local conductance quantities have an advantage for the study of these materials. Graphene is chosen as a nano-material example for our study since graphene has a simple conduction property. The integrated value of our local conductances are compared to the conductance of the Landauer formula. The local conductances in various local regions in graphene sheet are studied, and it is demonstrated that our local conductances have good properties for the analysis of nanosize materials.

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Computational analysis method of local electrical conductive property in nano-size materials

Abstract

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