Home > Publications database > Elemental mapping in achromatic atomic-resolution energy-filtered transmission electron microscopy > print |
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100 | 1 | _ | |a Forbes, B. D. |0 P:(DE-HGF)0 |b 0 |
245 | _ | _ | |a Elemental mapping in achromatic atomic-resolution energy-filtered transmission electron microscopy |
260 | _ | _ | |a Amsterdam |c 2014 |b Elsevier Science |
336 | 7 | _ | |a Journal Article |b journal |m journal |0 PUB:(DE-HGF)16 |s 1429076901_26836 |2 PUB:(DE-HGF) |
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520 | _ | _ | |a We present atomic-resolution energy-filtered transmission electron microscopy (EFTEM) images obtained with the chromatic-aberration-corrected FEI Titan PICO at the Ernst-Ruska Centre, Jülich, Germany. We find qualitative agreement between experiment and simulation for the background-subtracted EFTEM images of the Ti–L2,3 and O–K edges for a specimen of SrTiO3 oriented down the [110] zone axis. The simulations utilize the transition potential formulation for inelastic scattering, which permits a detailed investigation of contributions to the EFTEM image. We find that energy-filtered images of the Ti–L2,3 and O–K edges are lattice images and that the background-subtracted core-loss maps may not be directly interpretable as elemental maps. Simulations show that this is a result of preservation of elastic contrast, whereby the qualitative details of the image are determined primarily by elastic, coherent scattering. We show that this effect places a constraint on the range of specimen thicknesses which could theoretically yield directly useful elemental maps. In general, interpretation of EFTEM images is ideally accompanied by detailed simulations. |
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700 | 1 | _ | |a Mayer, J. |0 P:(DE-Juel1)130824 |b 2 |u fzj |
700 | 1 | _ | |a Dunin-Borkowski, Rafal |0 P:(DE-Juel1)144121 |b 3 |u fzj |
700 | 1 | _ | |a Allen, L. J. |0 P:(DE-HGF)0 |b 4 |e Corresponding Author |
773 | _ | _ | |a 10.1016/j.ultramic.2014.07.002 |g Vol. 147, p. 98 - 105 |0 PERI:(DE-600)1479043-9 |p 98 - 105 |t Ultramicroscopy |v 147 |y 2014 |x 0304-3991 |
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