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On the Transformation Mechanism of K2Ti4O9 to TiO2(B) and Formation of Microvoids

Wallenberg, Reine LU ; Sanati, Mehri LU and Andersson, Arne LU (1990) In Microscopy Microanalysis Microstructures 1(5-6). p.357-364
Abstract
TiO2(B), a potential catalyst support, has been synthesized from a support precursor, K2Ti4O9. High resolution electron microscopy revealed that the 32% volume loss in this transformation is achieved by formation of facetted microvoids, around 10 nm in size, maintaining the morphology and size of the original crystals. A structural mechanism, including a hypothetical structure for a K2Ti 2O5 intermediate, is suggested.
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author
; and
organization
publishing date
type
Contribution to journal
publication status
published
subject
in
Microscopy Microanalysis Microstructures
volume
1
issue
5-6
pages
357 - 364
publisher
EDP Sciences
external identifiers
  • wos:A1990FR46400007
DOI
10.1051/mmm:0199000105-6035700
language
English
LU publication?
yes
additional info
The information about affiliations in this record was updated in December 2015. The record was previously connected to the following departments: Polymer and Materials Chemistry (LTH) (011001041), Ergonomics and Aerosol Technology (011025002), Chemical Engineering (011001014)
id
6ed57345-d58d-41c0-9b3d-3d1121090197 (old id 2018440)
date added to LUP
2016-04-04 12:12:08
date last changed
2018-11-21 21:09:35
@article{6ed57345-d58d-41c0-9b3d-3d1121090197,
  abstract     = {{TiO2(B), a potential catalyst support, has been synthesized from a support precursor, K2Ti4O9. High resolution electron microscopy revealed that the 32% volume loss in this transformation is achieved by formation of facetted microvoids, around 10 nm in size, maintaining the morphology and size of the original crystals. A structural mechanism, including a hypothetical structure for a K2Ti 2O5 intermediate, is suggested.}},
  author       = {{Wallenberg, Reine and Sanati, Mehri and Andersson, Arne}},
  language     = {{eng}},
  number       = {{5-6}},
  pages        = {{357--364}},
  publisher    = {{EDP Sciences}},
  series       = {{Microscopy Microanalysis Microstructures}},
  title        = {{On the Transformation Mechanism of K2Ti4O9 to TiO2(B) and Formation of Microvoids}},
  url          = {{https://lup.lub.lu.se/search/files/5951244/2018442.pdf}},
  doi          = {{10.1051/mmm:0199000105-6035700}},
  volume       = {{1}},
  year         = {{1990}},
}