Abstract
A series of new aluminum tungsten oxides with the general formula Al 4W 2 n O 6 n +2 ( n=4–7) was found and structurally characterized by electron diffraction, high-resolution transmission electron microscopy (HRTEM) and high angle annular dark field scanning transmission electron microscopy (HAADF-STEM). The structural model for Al 4W 10O 32 ( I4/ mmm (space group no. 139); a≈0.375, c≈3.95 nm) consists of slabs of [5×∞×∞] corner-sharing WO 6 octahedra that are connected via edge-sharing to AlO 6 octahedra. Simulated HRTEM images agree well with the experimental ones and thus support the proposed structural model. The connection between adjacent slabs of WO 3 via AlO 6 octahedra represents a novel variant of crystallographic shear operation for ReO 3-type structures. The crystallites display a wide range of stacking sequences that are frequently intergrown with each other.
Sign-in/Register to access full text options 
Talk to us
Join us for a 30 min session where you can share your feedback and ask us any queries you have
Schedule a callDisclaimer: All third-party content on this website/platform is and will remain the property of their respective owners and is provided on "as is" basis without any warranties, express or implied. Use of third-party content does not indicate any affiliation, sponsorship with or endorsement by them. Any references to third-party content is to identify the corresponding services and shall be considered fair use under The CopyrightLaw.
