Ultra-low-edge-defect graphene nanoribbons patterned by neutral beam

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Title:	Ultra-low-edge-defect graphene nanoribbons patterned by neutral beam
Authors:	蘇清源;Huang, Chi-Hsien;Su, Ching-Yuan;Okada, Takeru;Li, Lain-Jong;Ho, Kuan-I;Li, Pei-Wen;Chen, Inn-Hao;Chou, Chien;Lai, Chao-Sung;Samukawa, Seiji
Contributors:	工學院能源工程研究所
Keywords:	Applied sciences;Arrays;Carbon;Chemical vapor deposition (including plasma-enhanced cvd, mocvd, etc.);Cross-disciplinary physics: materials science;rheology;Electronics;Etching;Exact sciences and technology;Graphene;image analysis;Lithography;Materials science;Methods of deposition of films and coatings;film growth and epitaxy;Nanocomposites;Nanomaterials;Nanostructure;Neutral beams;oxygen;Physics;Plasma etching;Raman spectroscopy;Semiconductor electronics. Microelectronics. Optoelectronics. Solid state devices;Surface treatments;temperature;Transistors
Date:	2013-09-01
Issue Date:	2026-04-23 12:04:59 (UTC+8)
Publisher:	Elsevier Ltd.;Kidlington: Elsevier Ltd
Abstract:	摘要： Top-down process, comprising lithography and plasma etching is widely used in very-large-scale integration due to its scalability, has the greatest potential to fabricate graphene nanoribbon based nanoelectronic devices for large-scale intergraded circuits. However, conventional plasma etching inevitably introduces plenty of damage or defects to the etched materials, which drastically degrades the performance of nano materials. In this study, extremely low-damage neutral beam etching (NBE) is applied to fabricate ultra-low-defect graphene nanoribbon array (GNR). The ultra-low-edge-defect GNRs are fabricated by E-beam lithography followed by oxygen NBE from large-scale chemical-vapor-deposition-grown graphene. AFM images clearly shows the GNRs patterned by NBE and E-beam lithography, and Raman spectroscopy exhibits extremely low ID/IG of GNRs, which indicate that high-quality GNRs can be successfully fabricated by neutral beam. We also demonstrated bottom-gated field-effect transistor with the high-quality GNR and observed a high carrier mobility (>200cm2V−1s−1) at room temperature. 出版者： Kidlington: Elsevier Ltd 出版日期： 2013-09-01 出處： Carbon, 2013-09, Vol.61, p.229-235 資源來源： Elsevier ScienceDirect Journals Complete - Autoholdings 版權： 2013 Elsevier Ltd 版權： 2014 INIST-CNRS 識別號： ISSN: 0008-6223 識別號： EISSN: 1873-3891 識別號： DOI: 10.1016/j.carbon.2013.04.099 識別號： CODEN: CRBNAH
Appears in Collections:	[Energy of Mechatronics] journal & Dissertation

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