Energy gap modulation in V2O5 nanowires by gas adsorption

Byung Hoon Kim; Ansoon Kim; Soon Young Oh; Sung Soo Bae; Yong Ju Yun; Han Young Yu

doi:10.1063/1.3044403

Energy gap modulation in V2O5 nanowires by gas adsorption

Byung Hoon Kim
, Ansoon Kim
, Soon Young Oh
, Sung Soo Bae
, Yong Ju Yun
, Han Young Yu

Research output: Contribution to journal › Article › peer-review

30 Scopus citations

Abstract

The current-voltage characteristics at various pressures (2-10 atm) and the scanning tunneling microscopy of vanadium pentoxide nanowires (VONs) with the inert gases (He, Ne, and Ar) and diatomic molecules (H2, N2, O2) have been investigated. The gas dependent conductance (G) is consistent with the inverse energy gap obtained from the scanning tunneling spectroscopy study for the gas-adsorbed single VON. The three possible interactions for gas adsorption of the VON have been discussed. Among them, we have found that the induced dipole-dipole interaction between adsorbed gases plays an important role in conductance variation in the gas adsorbed VON using the conductance per molecule (G/N). © 2008 American Institute of Physics.

Original language	English
Article number	233101
Journal	Applied Physics Letters
Volume	93
Issue number	23
DOIs	https://doi.org/10.1063/1.3044403
State	Published - Dec 19 2008
Externally published	Yes

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@article{5da25b90dc784c51af9c5479d5478970,

title = "Energy gap modulation in V2O5 nanowires by gas adsorption",

abstract = "The current-voltage characteristics at various pressures (2-10 atm) and the scanning tunneling microscopy of vanadium pentoxide nanowires (VONs) with the inert gases (He, Ne, and Ar) and diatomic molecules (H2, N2, O2) have been investigated. The gas dependent conductance (G) is consistent with the inverse energy gap obtained from the scanning tunneling spectroscopy study for the gas-adsorbed single VON. The three possible interactions for gas adsorption of the VON have been discussed. Among them, we have found that the induced dipole-dipole interaction between adsorbed gases plays an important role in conductance variation in the gas adsorbed VON using the conductance per molecule (G/N). {\textcopyright} 2008 American Institute of Physics.",

author = "Kim, \{Byung Hoon\} and Ansoon Kim and Oh, \{Soon Young\} and Bae, \{Sung Soo\} and Yun, \{Yong Ju\} and Yu, \{Han Young\}",

year = "2008",

month = dec,

day = "19",

doi = "10.1063/1.3044403",

language = "English",

volume = "93",

journal = "Applied Physics Letters",

issn = "0003-6951",

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TY - JOUR

T1 - Energy gap modulation in V2O5 nanowires by gas adsorption

AU - Kim, Byung Hoon

AU - Kim, Ansoon

AU - Oh, Soon Young

AU - Bae, Sung Soo

AU - Yun, Yong Ju

AU - Yu, Han Young

PY - 2008/12/19

Y1 - 2008/12/19

N2 - The current-voltage characteristics at various pressures (2-10 atm) and the scanning tunneling microscopy of vanadium pentoxide nanowires (VONs) with the inert gases (He, Ne, and Ar) and diatomic molecules (H2, N2, O2) have been investigated. The gas dependent conductance (G) is consistent with the inverse energy gap obtained from the scanning tunneling spectroscopy study for the gas-adsorbed single VON. The three possible interactions for gas adsorption of the VON have been discussed. Among them, we have found that the induced dipole-dipole interaction between adsorbed gases plays an important role in conductance variation in the gas adsorbed VON using the conductance per molecule (G/N). © 2008 American Institute of Physics.

AB - The current-voltage characteristics at various pressures (2-10 atm) and the scanning tunneling microscopy of vanadium pentoxide nanowires (VONs) with the inert gases (He, Ne, and Ar) and diatomic molecules (H2, N2, O2) have been investigated. The gas dependent conductance (G) is consistent with the inverse energy gap obtained from the scanning tunneling spectroscopy study for the gas-adsorbed single VON. The three possible interactions for gas adsorption of the VON have been discussed. Among them, we have found that the induced dipole-dipole interaction between adsorbed gases plays an important role in conductance variation in the gas adsorbed VON using the conductance per molecule (G/N). © 2008 American Institute of Physics.

UR - https://www.scopus.com/pages/publications/57649134241

U2 - 10.1063/1.3044403

DO - 10.1063/1.3044403

M3 - Article

SN - 0003-6951

VL - 93

JO - Applied Physics Letters

JF - Applied Physics Letters

IS - 23

M1 - 233101

ER -

Energy gap modulation in V2O5 nanowires by gas adsorption

Abstract

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