Programmable Redox State of the Nickel Ion Chain in DNA

被引：18

作者：

Chu, Hsueh-Liang ^{[1
]}

Chiu, Shao-Chien ^{[2
]}

Sung, Ching-Feng ^{[2
]}

Tseng, Wellen ^{[1
]}

Chang, Yu-Chuan ^{[1
]}

Jian, Wen-Bin ^{[2
]}

Chen, Yu-Chang ^{[2
,3
]}

Yuan, Chiun-Jye ^{[1
]}

Li, Hsing-Yuan ^{[1
]}

Gu, Frank X. ^{[4
]}

Di Ventra, Massimiliano ^{[5
]}

Chang, Chia-Ching ^{[1
,6
]}

机构：

[1] Natl Chiao Tung Univ, Dept Biol Sci & Technol, Hsinchu 30068, Taiwan

[2] Natl Chiao Tung Univ, Dept Electrophys, Hsinchu 30050, Taiwan

[3] Natl Chiao Tung Univ, Natl Ctr Theoret Phys, Hsinchu 30050, Taiwan

[4] Univ Waterloo, Dept Chem Engn, Waterloo Inst Nanotechnol, Waterloo, ON N2L 3G1, Canada

[5] Univ Calif San Diego, Dept Phys, San Diego, CA 92103 USA

[6] Acad Sinica, Inst Phys, Taipei 11529, Taiwan

来源：

NANO LETTERS | 2014年 / 14卷 / 02期

关键词：

DNA; Ni-DNA; nanowire system; multistate memory effect; memory resistance systems; nanotemplate; CONDUCTION; TRANSPORT;

D O I：

10.1021/nl404601s

中图分类号：

O6 [化学];

学科分类号：

0703 ;

摘要：

DNA is a nanowire in nature which chelates Ni ions and forms a conducting chain in its base-pairs (Ni-DNA). Each Ni ion in Ni-DNA exhibits low (Ni2+) or high (Ni3+) oxidation state and can be switched sequentially by applying bias voltage with different polarities and writing times. The ratio of low. and high oxidation states of Ni ions in Ni-DNA represents a programmable multistate memory system with an added capacitive component, in which multistate information can be written, read, and erased. This study also indicates that the biomolecule-based self-organized nanostructure can be used as a template for nanodevice fabrication.

引用

页码：1026 / 1031

页数：6

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