A novel cross-sectional sample preparation technique for quantum wire (QWR) structures is described. By coating a thin layer of Au with a designed pattern on the sample as a marker to indicate the position of the wire pattern, the location of the thinned area can be controlled precisely. An example
A novel technique for the preparation of thin films for cross-sectional transmission electron microscopy
โ Scribed by Heuer, J. P. ;Howitt, D. G.
- Publisher
- Wiley (John Wiley & Sons)
- Year
- 1990
- Tongue
- English
- Weight
- 256 KB
- Volume
- 14
- Category
- Article
- ISSN
- 0741-0581
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โฆ Synopsis
Abstract
A method is described for the preparation of crossโsectional samples of thin films for transmission electron microscopy. The technique produces larger amounts of thin region as compared with ion milling and eliminates the problems associated with ion beam damage. The requirement is that the films or multilayers must initially be deposited on a waterโsoluble substrate such as singleโcrystal NaCl.
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Minimete is a registered trademark of Buehler Ltd. Other matwials used were Metadi" diamond paste and Texmete material from Buehler.
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The rocking-angle ion-milling technique has been employed to produce optimum Pt/Ti/SiO,/Si, WITiN/Si021Si, and (Pb,La)TiO,/Pt/MgO samples for cross-sectional transmission electron microscopy (TEM). Because of the different ion-milling rates between film layers and substrate materials, no satisfactor
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## Abstract The surface properties of materials are believed to control most of the biological reactions toward implanted materials. To study the surface structure, elemental distribution, and morphology, using transmission electron microscopy (TEM) techniques, thin foils of the surface (in crossโs