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Structural studies of nanocrystalline oxides

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Structural studies of nanocrystalline oxides. / Savin, S. L. P.; Chadwick, A. V.; O'Dell, L. A. et al.
In: Solid State Ionics, Vol. 177, No. 26-32, 31.10.2006, p. 2519-2526.

Research output: Contribution to Journal/MagazineJournal articlepeer-review

Harvard

Savin, SLP, Chadwick, AV, O'Dell, LA & Smith, ME 2006, 'Structural studies of nanocrystalline oxides', Solid State Ionics, vol. 177, no. 26-32, pp. 2519-2526. https://doi.org/10.1016/j.ssi.2006.03.020

APA

Savin, S. L. P., Chadwick, A. V., O'Dell, L. A., & Smith, M. E. (2006). Structural studies of nanocrystalline oxides. Solid State Ionics, 177(26-32), 2519-2526. https://doi.org/10.1016/j.ssi.2006.03.020

Vancouver

Savin SLP, Chadwick AV, O'Dell LA, Smith ME. Structural studies of nanocrystalline oxides. Solid State Ionics. 2006 Oct 31;177(26-32):2519-2526. doi: 10.1016/j.ssi.2006.03.020

Author

Savin, S. L. P. ; Chadwick, A. V. ; O'Dell, L. A. et al. / Structural studies of nanocrystalline oxides. In: Solid State Ionics. 2006 ; Vol. 177, No. 26-32. pp. 2519-2526.

Bibtex

@article{16329059d61042a0b23fb86d81b5b846,
title = "Structural studies of nanocrystalline oxides",
abstract = "We report the results of structural studies of samples of nanocrystalline tin oxide, zirconia, magnesia, alumina and silica, prepared by sol-gel techniques (including the addition of silica to restrict grain growth) and high-energy ball milling. XRD, EXAFS/YANES and MAS-NMR analyses were used to characterise the materials. EXAFS showed that nanocrystals of ZrO2 and SnO2 prepared by sol-gel methods are highly crystalline, consistent with previous EXAFS studies of sol-gel prepared nanocrystalline oxides [A.V Chadwick, M.J. Pooley, K.E. Rammutla, S.L.P. Savin, A. Rougier, J. Phys.: Condens. Matter, 15 (2003) 43 L; A.V Chadwick, G.E. Rush, in Nanocrystalline Metals and Oxides: Selected Properties and Applications, (Kluwer, New York), (2002), p. 133.]. In contrast, the sol-gel prepared SiO2 appeared amorphous, even after prolonged heating at 1200 degrees C. The EXAFS of the ball-milled samples showed clearly attenuated signals that cannot be attributed solely to particle size. Ball milling of quartz crystals (which have a simple Q(4)) first broadens the NMR line and then generates Q(3) and then Q(2) lines indicating the generation of amorphous materials in the samples.",
keywords = "EXAFS, preparation methods, nanocrystalline oxides, NMR",
author = "Savin, {S. L. P.} and Chadwick, {A. V.} and O'Dell, {L. A.} and Smith, {Mark E.}",
year = "2006",
month = oct,
day = "31",
doi = "10.1016/j.ssi.2006.03.020",
language = "English",
volume = "177",
pages = "2519--2526",
journal = "Solid State Ionics",
issn = "0167-2738",
publisher = "ELSEVIER SCIENCE BV",
number = "26-32",
note = "15th International Conference on Solid State Ionics ; Conference date: 20-05-2005",

}

RIS

TY - JOUR

T1 - Structural studies of nanocrystalline oxides

AU - Savin, S. L. P.

AU - Chadwick, A. V.

AU - O'Dell, L. A.

AU - Smith, Mark E.

PY - 2006/10/31

Y1 - 2006/10/31

N2 - We report the results of structural studies of samples of nanocrystalline tin oxide, zirconia, magnesia, alumina and silica, prepared by sol-gel techniques (including the addition of silica to restrict grain growth) and high-energy ball milling. XRD, EXAFS/YANES and MAS-NMR analyses were used to characterise the materials. EXAFS showed that nanocrystals of ZrO2 and SnO2 prepared by sol-gel methods are highly crystalline, consistent with previous EXAFS studies of sol-gel prepared nanocrystalline oxides [A.V Chadwick, M.J. Pooley, K.E. Rammutla, S.L.P. Savin, A. Rougier, J. Phys.: Condens. Matter, 15 (2003) 43 L; A.V Chadwick, G.E. Rush, in Nanocrystalline Metals and Oxides: Selected Properties and Applications, (Kluwer, New York), (2002), p. 133.]. In contrast, the sol-gel prepared SiO2 appeared amorphous, even after prolonged heating at 1200 degrees C. The EXAFS of the ball-milled samples showed clearly attenuated signals that cannot be attributed solely to particle size. Ball milling of quartz crystals (which have a simple Q(4)) first broadens the NMR line and then generates Q(3) and then Q(2) lines indicating the generation of amorphous materials in the samples.

AB - We report the results of structural studies of samples of nanocrystalline tin oxide, zirconia, magnesia, alumina and silica, prepared by sol-gel techniques (including the addition of silica to restrict grain growth) and high-energy ball milling. XRD, EXAFS/YANES and MAS-NMR analyses were used to characterise the materials. EXAFS showed that nanocrystals of ZrO2 and SnO2 prepared by sol-gel methods are highly crystalline, consistent with previous EXAFS studies of sol-gel prepared nanocrystalline oxides [A.V Chadwick, M.J. Pooley, K.E. Rammutla, S.L.P. Savin, A. Rougier, J. Phys.: Condens. Matter, 15 (2003) 43 L; A.V Chadwick, G.E. Rush, in Nanocrystalline Metals and Oxides: Selected Properties and Applications, (Kluwer, New York), (2002), p. 133.]. In contrast, the sol-gel prepared SiO2 appeared amorphous, even after prolonged heating at 1200 degrees C. The EXAFS of the ball-milled samples showed clearly attenuated signals that cannot be attributed solely to particle size. Ball milling of quartz crystals (which have a simple Q(4)) first broadens the NMR line and then generates Q(3) and then Q(2) lines indicating the generation of amorphous materials in the samples.

KW - EXAFS

KW - preparation methods

KW - nanocrystalline oxides

KW - NMR

U2 - 10.1016/j.ssi.2006.03.020

DO - 10.1016/j.ssi.2006.03.020

M3 - Journal article

VL - 177

SP - 2519

EP - 2526

JO - Solid State Ionics

JF - Solid State Ionics

SN - 0167-2738

IS - 26-32

T2 - 15th International Conference on Solid State Ionics

Y2 - 20 May 2005

ER -