We wish to acknowledge Claus G. Lugmair and Anthony F. Volpe, Jr. of Symyx Technologies, Inc. for providing the M1 specimen used in this study. D.A.B. and T.V. would like to thank the State of South Carolina and the Vice President of Research & Health Sciences at the University of South Carolina for generous support.
Direct Imaging of the MoVTeNbO M1 Phase Using An Aberration-Corrected High-Resolution Scanning Transmission Electron Microscope†
Article first published online: 7 MAR 2008
Copyright © 2008 WILEY-VCH Verlag GmbH & Co. KGaA, Weinheim
Angewandte Chemie International Edition
Volume 47, Issue 15, pages 2788–2791, March 31, 2008
How to Cite
Pyrz, William D., Blom, Douglas A., Vogt, T. and Buttrey, Douglas J. (2008), Direct Imaging of the MoVTeNbO M1 Phase Using An Aberration-Corrected High-Resolution Scanning Transmission Electron Microscope. Angew. Chem. Int. Ed., 47: 2788–2791. doi: 10.1002/anie.200705700
- Issue published online: 20 MAR 2008
- Article first published online: 7 MAR 2008
- Manuscript Received: 12 DEC 2007
- State of South Carolina
- electron microscopy;
- heterogeneous catalysis;
- structure elucidation
Seeing is believing: Aberration-corrected STEM imaging allows direct visualization of the orthorhombic M1 phase primary component of the MoVNbTeO propane ammoxidation catalyst. Atomic coordinates and site occupancies are obtained, and the beam-sensitive Te chains in the hexagonal and heptagonal channels are successfully imaged. These results suggest that HR-HAADF imaging may provide improved starting models for Rietveld analysis of complex structures.