Distinct local structure of nanoparticles and nanowires of V 2O5 probed by x-ray absorption spectroscopy

B. Joseph; A. Iadecola; L. Maugeri; M. Bendele; M. Okubo; H. Li; H. Zhou; T. Mizokawa; N. L. Saini

doi:10.1063/1.4856855

Distinct local structure of nanoparticles and nanowires of V ₂O₅ probed by x-ray absorption spectroscopy

B. Joseph, A. Iadecola, L. Maugeri, M. Bendele, M. Okubo, H. Li, H. Zhou, T. Mizokawa, N. L. Saini

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

8 Citations (Scopus)

Abstract

We have used V K-edge x-ray absorption spectroscopy to study local structures of bulk, nanoparticles and nanowires of V₂O₅. The extended x-ray absorption fine structure measurements show different local displacements in the three morphologically different V₂O₅ samples. It is found that the nanowires have a significantly ordered chain structure in comparison to the V₂O₅ bulk. In contrast, nanoparticles have larger interlayer disorder. The x-ray absorption near-edge structure spectra show different electronic structure that appears to be related with the local atomic disorder in the three V₂O₅ samples.

Original language	English
Article number	251910
Journal	Applied Physics Letters
Volume	103
Issue number	25
DOIs	https://doi.org/10.1063/1.4856855
Publication status	Published - 2013 Dec 16
Externally published	Yes

ASJC Scopus subject areas

Physics and Astronomy (miscellaneous)

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abstract = "We have used V K-edge x-ray absorption spectroscopy to study local structures of bulk, nanoparticles and nanowires of V2O5. The extended x-ray absorption fine structure measurements show different local displacements in the three morphologically different V2O5 samples. It is found that the nanowires have a significantly ordered chain structure in comparison to the V2O5 bulk. In contrast, nanoparticles have larger interlayer disorder. The x-ray absorption near-edge structure spectra show different electronic structure that appears to be related with the local atomic disorder in the three V2O5 samples.",

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AU - Joseph, B.

AU - Iadecola, A.

AU - Maugeri, L.

AU - Bendele, M.

AU - Okubo, M.

AU - Li, H.

AU - Zhou, H.

AU - Mizokawa, T.

AU - Saini, N. L.

PY - 2013/12/16

Y1 - 2013/12/16

N2 - We have used V K-edge x-ray absorption spectroscopy to study local structures of bulk, nanoparticles and nanowires of V2O5. The extended x-ray absorption fine structure measurements show different local displacements in the three morphologically different V2O5 samples. It is found that the nanowires have a significantly ordered chain structure in comparison to the V2O5 bulk. In contrast, nanoparticles have larger interlayer disorder. The x-ray absorption near-edge structure spectra show different electronic structure that appears to be related with the local atomic disorder in the three V2O5 samples.

AB - We have used V K-edge x-ray absorption spectroscopy to study local structures of bulk, nanoparticles and nanowires of V2O5. The extended x-ray absorption fine structure measurements show different local displacements in the three morphologically different V2O5 samples. It is found that the nanowires have a significantly ordered chain structure in comparison to the V2O5 bulk. In contrast, nanoparticles have larger interlayer disorder. The x-ray absorption near-edge structure spectra show different electronic structure that appears to be related with the local atomic disorder in the three V2O5 samples.

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Distinct local structure of nanoparticles and nanowires of V ₂O₅ probed by x-ray absorption spectroscopy

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