Strain-induced negative differential resistance in ultrasmall carbon nanotube
Autor: | Can-Sheng Huang, Hui Fang, Jin-Yun Peng, Ru-Zhi Wang, Zhi-Nian Jiang, Fei-Peng Zhang, Xing-Xiang Ruan |
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Rok vydání: | 2017 |
Předmět: |
Materials science
Strain (chemistry) business.industry Statistical and Nonlinear Physics Nanotechnology 02 engineering and technology Tensile strain Carbon nanotube 021001 nanoscience & nanotechnology Condensed Matter Physics 01 natural sciences Fast switching law.invention Zigzag law 0103 physical sciences Optoelectronics 010306 general physics 0210 nano-technology business |
Zdroj: | Modern Physics Letters B. 31:1750217 |
ISSN: | 1793-6640 0217-9849 |
Popis: | The transport properties in ultrasmall single-wall carbon nanotubes (SWCNTs) under tensile strain have been theoretically investigated. The regular negative differential resistance (NDR) induced by the strain undergoes a process from enhancement to weakening in the zigzag (3,[Formula: see text]0) SWCNT. The NDR achieves maximum with applying 4% tensile strain. Compared to the case of (3,[Formula: see text]0) SWCNT, that NDR cannot be manipulated by applying strain clearly in (4,[Formula: see text]0) and (5,[Formula: see text]0) ultrasmall SWCNTs with tensile strain lower than 10%. It proposes this strain-induced NDR effect to demonstrate the possibility of finding potential applications in SWCNT-based NDR nanodevices such as in memory devices, oscillators and fast switching devices. |
Databáze: | OpenAIRE |
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