1 / 7

K 2 O . 7Nb 2 O 5 , P 4 /mbm,a = 27.5 Å, c = 3.94 Å

Precession ED by software control. K 2 O . 7Nb 2 O 5 , P 4 /mbm,a = 27.5 Å, c = 3.94 Å. Zhang, Grüner, Oleynikov, Wan, Hovmöller, Zou, submitted. Comparison of SAED and precession ED data. K 2 O . 7Nb 2 O 5 , P 4 /mbm,a = 27.5 Å, c = 3.94 Å. With 1.1º precession. Without precession.

menefer
Télécharger la présentation

K 2 O . 7Nb 2 O 5 , P 4 /mbm,a = 27.5 Å, c = 3.94 Å

An Image/Link below is provided (as is) to download presentation Download Policy: Content on the Website is provided to you AS IS for your information and personal use and may not be sold / licensed / shared on other websites without getting consent from its author. Content is provided to you AS IS for your information and personal use only. Download presentation by click this link. While downloading, if for some reason you are not able to download a presentation, the publisher may have deleted the file from their server. During download, if you can't get a presentation, the file might be deleted by the publisher.

E N D

Presentation Transcript

  1. Precession ED by software control K2O.7Nb2O5,P4/mbm,a = 27.5 Å, c = 3.94 Å Zhang, Grüner, Oleynikov, Wan, Hovmöller, Zou, submitted

  2. Comparison of SAED and precession ED data K2O.7Nb2O5,P4/mbm,a = 27.5 Å, c = 3.94 Å With 1.1º precession Without precession Taken by Daliang Zhang using Spinning Star

  3. Phasing electron diffraction data by direct methods in a similar way as for X-ray diffraction ... Potential map obtained by direct method using Sir97 All Nb atoms are found from the potential map

  4. Automated Electron Diffraction Tomography (ADT) Eward sphere Crystal reciprocal lattice E. Mugnaioli, T. Gorelik, U. Kolb. Ultramicroscopy 109 (2009) 758

  5. Automated Electron Diffraction Tomography Automatic data collection by the rotation method Series of tilted electron beam Electron beam tilt + goniometer tilt Specimen Zhang, Oleynikov, Hovmöller, Zou, Z. Kristallogr. 225 (2010) 94 Electron beam Goniometer tilt Specimen Mugnaioli, Gorelik, Kolb. Ultramicroscopy 109 (2009) 758

  6. Automatic ED data collection by combining beam rotation and goniometer tilt K2O.7Nb2O5,P4/mbm, a = 27.5 Å, c = 3.94 Å From -5 º to 5º Zhang, Oleynikov, Hovmöller, Zou, Z. Kristallogr.225 (2010) 94

  7. Reconstructed 3D reciprocal lattice – Beta zeolite A section of 145º with > 1450 ED frames can be collected in less than 60 minutes

More Related