Negative differential resistance in "sulflower"-based molecular junction predicted by first-principles study

被引：0
|
作者：
Shen, Ji-Mei [1 ]
Liu, Jing [1 ]
机构：
[1] Nanjing Normal Univ, Taizhou Coll, Taizhou 225300, Jiangsu, Peoples R China
来源：
INTERNATIONAL JOURNAL OF MODERN PHYSICS B | 2021年 / 35卷 / 13期
关键词：
Negative differential resistance; molecular electronics; sulflower" molecule; first-principles; ROOM-TEMPERATURE; PERFORMANCE; TRANSISTOR; RATIOS; DIODES;
D O I：
10.1142/S0217979221501678
中图分类号：
O59 [应用物理学];
学科分类号：
摘要：
The electronic transport behavior of a sulflower molecule sandwiched between metal leads by S atom connecting apex Au or Ag atoms was investigated using a first-principles study by current-voltage characteristics, transmission spectrum and local density of states. Negative differential resistance (NDR) effect which originates from Coulomb blockade driven by bias was obtained. We also found that the differential conductance can be modulated by the metal leads with different work functions, which promise the potential applications in molecular devices in the future.
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页数：6
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