Resistance switching of epitaxial VO2/Al2O3 heterostructure at room temperature induced by organic liquids | Zendy

Mengmeng Yang | Zendy; Yuanjun Yang | Zendy; Bin Hong | Zendy; Haoliang Huang | Zendy; Sixia Hu | Zendy; Yongqi Dong | Zendy; Haibo Wang | Zendy; Hao He | Zendy; Jiyin Zhao | Zendy; Xuguang Liu | Zendy; Zhenlin Luo | Zendy; Xiaoguang Li | Zendy; Haibin Zhang | Zendy; Chen Gao | Zendy

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Resistance switching of epitaxial VO2/Al2O3 heterostructure at room temperature induced by organic liquids

Author(s) -

Mengmeng Yang,

Yuanjun Yang,

Bin Hong,

Haoliang Huang,

Sixia Hu,

Yongqi Dong,

Haibo Wang,

Hao He,

Jiyin Zhao,

Xuguang Liu,

Zhenlin Luo,

Xiaoguang Li,

Haibin Zhang,

Chen Gao

Publication year - 2015

Publication title -

aip advances

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 0.421

H-Index - 58

ISSN - 2158-3226

DOI - 10.1063/1.4914915

Subject(s) - cyclohexane , ethylene glycol , heterojunction , butanol , materials science , epitaxy , conductivity , electrical resistivity and conductivity , chemical engineering , chemistry , optoelectronics , organic chemistry , nanotechnology , ethanol , layer (electronics) , electrical engineering , engineering

We studied using organic liquids (cyclohexane, n-butanol, and ethylene glycol) to modulate the transport properties at room temperature of an epitaxial VO2 film on a VO2/Al2O3 heterostructure. The resistance of the VO2 film increased when coated with cyclohexane or n-butanol, with maximum changes of 31% and 3.8%, respectively. In contrast, it decreased when coated with ethylene glycol, with a maximum change of −7.7%. In all cases, the resistance recovered to its original value after removing the organic liquid. This organic-liquid-induced reversible resistance switching suggests that VO2 films can be used as organic molecular sensors

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