| DOI | Resolve DOI: https://doi.org/10.1016/j.ultramic.2011.11.001 |
|---|
| Author | Search for: Wang, X. Y.; Search for: Lockwood, R.1; Search for: Malac, M.1; Search for: Furukawa, H.; Search for: Li, P.1; Search for: Meldrum, A. |
|---|
| Affiliation | - National Research Council of Canada. National Institute for Nanotechnology
|
|---|
| Format | Text, Article |
|---|
| Subject | filtered back projection; scanning transmission electron microscope; simultaneous iterative reconstruction technique; thresholding; transmission electron microscopy; transmission electron tomography; volumetric measurements; tomography; nanocrystals; nanocomposites; segmentation; reconstruction |
|---|
| Abstract | This paper examines the limits of transmission electron tomography reconstruction methods for a nanocomposite object composed of many closely packed nanoparticles. Two commonly used reconstruction methods in TEM tomography were examined and compared, and the sources of various artefacts were explored. Common visualization methods were investigated, and the resulting “interpretation artefacts” ( i.e., deviations from “actual” particle sizes and shapes arising from the visualization) were determined. Setting a known or estimated nanoparticle volume fraction as a criterion for thresholding does not in fact give a good visualization. Unexpected effects associated with common built-in image filtering methods were also found. Ultimately, this work set out to establish the common problems and pitfalls associated with electron beam tomographic reconstruction and visualization of samples consisting of closely spaced nanoparticles |
|---|
| Publication date | 2011-12-03 |
|---|
| In | |
|---|
| Language | English |
|---|
| Peer reviewed | Yes |
|---|
| NPARC number | 19734702 |
|---|
| Export citation | Export as RIS |
|---|
| Report a correction | Report a correction (opens in a new tab) |
|---|
| Record identifier | 6e7ca0cf-5c53-4c55-a362-529167ba823c |
|---|
| Record created | 2012-04-30 |
|---|
| Record modified | 2020-04-21 |
|---|
