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Analysis on Non-Ideal Nonlinear Characteristics of Graphene-Based Three-Branch Nano-Junction Device

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Please use this identifier to cite or link to this item:http://hdl.handle.net/2115/59896

Title: Analysis on Non-Ideal Nonlinear Characteristics of Graphene-Based Three-Branch Nano-Junction Device
Authors: Yin, Xiang Browse this author
Sato, Masaki Browse this author
Kasai, Seiya Browse this author →KAKEN DB
Keywords: graphene
TBJ
nonlinear characteristic
contact resistance
graphene-metal contact
Issue Date: May-2015
Publisher: 電子情報通信学会
Journal Title: IEICE transactions on electronics
Volume: E98C
Issue: 5
Start Page: 434
End Page: 438
Publisher DOI: 10.1587/transele.E98.C.434
Abstract: We investigate the origin of non-ideal transfer characteristics in graphene-based three-branch nano-junction (TBJ) devices. Fabricated graphene TBJs often show asymmetric nonlinear voltage transfer characteristic, although symmetric one should appear ideally. A simple model considering the contact resistances in two input electrodes is deduced and it suggests that the non-ideal characteristic arises from inequality of the metal-graphene contact resistances in the inputs. We fabricate a graphene TBJ device with electrically equal contacts by optimizing the contact formation process and almost ideal nonlinear characteristic was successfully demonstrated.
Rights: copyright©2015 IEICE
Type: article
URI: http://hdl.handle.net/2115/59896
Appears in Collections:量子集積エレクトロニクス研究センター (Research Center for Integrated Quantum Electronics) > 雑誌発表論文等 (Peer-reviewed Journal Articles, etc)

Submitter: 葛西 誠也

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