Effects of Contact Geometry on Electron Transport of 1,4-Diaminobenzene |
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| Authors: | ZHENG Ji-Ming REN Zhao-Yu GUO Ping TIAN Jin-Shou BAI Jin-Tao |
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| Affiliation: | Institute of Photonics and Photo-technology, Northwest University, Xi'an 710069Department of Physics, Northwest University, Xi'an 710069Xi'an Institute of Optics and Precision Mechanics, Chinese Academy of Sciences, Xi'an 710069 |
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| Abstract: | The equilibrium electron transport of 1,4-diaminobenzene sandwiched between two Au electrodes is simulated by using a first principles analysis. The results show that equilibrium conductance increases with the molecule-electrode distance decreasing, and a platform occurs at the distance varying from 1.4A to 1.9A, implying the insensitiveness of 1,4-diaminobenzene equilibrium conductance to molecule--electrode distance. This is helpful to understand the improved reliability and reproducibility of conductance measurements using amines. |
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| Keywords: | 73.23.-b 73.40.Ty |
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