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Study of titanate nanotubes by X-ray and electron diffraction and electron microscopy
Stockholms universitet, Naturvetenskapliga fakulteten, Institutionen för material- och miljökemi (MMK).
Stockholms universitet, Naturvetenskapliga fakulteten, Institutionen för material- och miljökemi (MMK).
Vise andre og tillknytning
2014 (engelsk)Inngår i: Materials Characterization, ISSN 1044-5803, E-ISSN 1873-4189, Vol. 87, s. 166-171Artikkel i tidsskrift (Fagfellevurdert) Published
Abstract [en]

The structure of titanate nanotubes (Ti-NTs) was studied by a combination of powder X-ray diffraction (PXRD), electron diffraction and high resolution transmission electron microscopy (HRTEM). Ti-NTs are prepared by hydrothermal treatment of TiO2 powder. The structure is identified by powder X-ray diffraction as the one based on the structure of H2Ti2O5 center dot H2O phase. The same structure is obtained by projected potential from HRTEM through-focus image series. The structure is verified by simulated PXRD pattern with the aid of the Debye formula. The validity of the model is tested by computing Fourier transformation of a single nanotube which is proportional to measured electron diffraction intensities. A good agreement of this calculation with measured precession electron diffraction data is achieved.

sted, utgiver, år, opplag, sider
2014. Vol. 87, s. 166-171
Emneord [en]
Computer simulations, Transmission electron microscopy, Electron diffraction, Titanate nanotubes, X-ray powder diffraction, Debye formula
HSV kategori
Identifikatorer
URN: urn:nbn:se:su:diva-102092DOI: 10.1016/j.matchar.2013.11.010ISI: 000331421600019OAI: oai:DiVA.org:su-102092DiVA, id: diva2:707962
Forskningsfinansiär
VinnovaSwedish Research CouncilCarl Tryggers foundation Knut and Alice Wallenberg Foundation
Merknad

AuthorCount:7;

Tilgjengelig fra: 2014-03-26 Laget: 2014-03-26 Sist oppdatert: 2017-12-05bibliografisk kontrollert

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