✦ LIBER ✦

Preparation by ion milling and TEM investigation of embedded needle-shaped crystals of H-Nb2O5

✍ Scribed by Krumeich, Frank ;Mertin, Wilhelm

Publisher: Wiley (John Wiley & Sons)
Year: 1991
Tongue: English
Weight: 779 KB
Volume: 19
Category: Article
ISSN: 0741-0581
DOI: 10.1002/jemt.1060190310

No coin nor oath required. For personal study only.

✦ Synopsis

A method for preparing needle-shaped and platelike crystals for electron microscopical investigation was elaborated. Crystals of H-Nb20, were embedded in a synthetic resin and disks were cut off perpendicular to the desired direction of observation. The thickness of the sample was reduced by planar grinding and then by using a dimple grinder and furthermore by ion milling with argon ions. With the precision ion milling system small crystal areas were selected and subsequently irradiated. The TEM investigations showed that the desired crystallographic orientation was reached and that the crystal structure has been preserved. The contrast of highly resolved images was reduced by an amorphous surface layer which was not removable.

Dimple grinder, PIMS, Amorphous surface layer

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