Zobrazeno 1 - 10
of 40
pro vyhledávání: '"C J, Rossouw"'
Publikováno v:
Superlattices and Microstructures. 39:97-106
Using a similar production process, a series of doped and undoped ZnO nanoparticles has been tested for photoactivity, using chemical methods, when exposed to UV radiation. Parameters such as crystallite size, dopant type and concentration were consi
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::c702896d28c245e8161cbcb0bcbac2ee
https://doi.org/10.1016/j.spmi.2005.08.034
https://doi.org/10.1016/j.spmi.2005.08.034
Publikováno v:
Ultramicroscopy. 96:65-81
In the previous paper, boundary conditions matching the probe to the crystal wave function in scanning transmission electron microscopy were applied by matching the whole wave function across the boundary. It is shown here how that approach relates t
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::465d453ba20fb6284c5e42ebdb649c1f
https://doi.org/10.1016/s0304-3991(02)00381-9
https://doi.org/10.1016/s0304-3991(02)00381-9
Autor:
Colleen Joyce Bettles, C. T. Forwood, Kishore Venkatesan, C. J. Rossouw, Timothy J. Davis, Peter Miller
Publikováno v:
Acta Crystallographica Section A Foundations of Crystallography. 57:321-332
Systematic electron diffraction studies on intermetallic precipitates formed within a lightweight Mg-RE-Zn alloy (RE = La or Ce) identify these to be of structural type Mn(12)Th (space group I4/mmm). Analytical electron microscopy yields an overall c
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::8d5623b1f8a0bb3672d5532d095f38a0
https://doi.org/10.1107/s0108767300019577
https://doi.org/10.1107/s0108767300019577
Publikováno v:
Micron. 28:125-137
The theory for formation of incoherent channelling patterns (ICPs), produced by variations in characteristic X-ray emission in response to a systematic scan in the direction of the incident electron beam for orientations near a zone axis, is extended
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::f540e31dc8cd85d094e9cffd5dbe4119
https://doi.org/10.1016/s0968-4328(96)00050-9
https://doi.org/10.1016/s0968-4328(96)00050-9
Publikováno v:
Philosophical Magazine A. 74:57-76
Recent advances in the theory of characteristic X-ray emission from crystals under dynamic electron diffraction conditions are used in developing a new fully quantitative statistical method for atom location by channelling-enhanced microanalysis (ALC
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::6ef5a02ffa0f2727f1afc9201097c663
https://doi.org/10.1080/01418619608239690
https://doi.org/10.1080/01418619608239690
Publikováno v:
Philosophical Magazine A. 70:985-998
A dependent Bloch wave theory for inelastic scattering is adapted to predict back-scattered electron (BSE) contrast from perfect crystals. This is correlated with 300 keV data from a number of zone axes from spinel, chromia, silicon, aluminium and ga
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::35a9a233a38e4d3291af9ee70919954a
https://doi.org/10.1080/01418619408242944
https://doi.org/10.1080/01418619408242944
Publikováno v:
Ultramicroscopy. 52:353-359
High-angle annular dark field (HAADF) imaging in a dedicated scanning transmission electron microscope (STEM) has been applied to the study of imperfect crystals. Firstly, a study of B-doped layers in Si has revealed significantly stronger contrast a
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::2e9a5e8ad59ded2aac7af0dc3c1fbbb6
https://doi.org/10.1016/0304-3991(93)90046-z
https://doi.org/10.1016/0304-3991(93)90046-z
Autor:
J. M. Hampikian, C. J. Rossouw
Publikováno v:
Philosophical Magazine A. 67:849-863
Bloch-wave analysis of partial waves formed by 300 keV electrons in chromium oxide illustrates how an absorptive potential affects convergent-beam contrast in higher-order Laue zones (HOLZs). Mean square displacements 〈u 2〉 of chromium and oxygen
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::ed3dc9fae4a6f4cd1fce1e66f594bd95
https://doi.org/10.1080/01418619308213963
https://doi.org/10.1080/01418619308213963
Autor:
C. J. Rossouw, Leslie J. Allen
Publikováno v:
Physical Review B. 47:2446-2452
A theory for variations in cross section with diffraction conditions for electron-impact ionization of atoms in a crystalline environment is presented. This takes into account total interaction delocalization (due both to long-range Coulombic interac
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::150e04423c15b9b47aa21e1c622f43ec
https://doi.org/10.1103/physrevb.47.2446
https://doi.org/10.1103/physrevb.47.2446
Autor:
Matthew Weyland, Hadas Katz-Boon, Joanne Etheridge, Paul Mulvaney, C. J. Rossouw, Alison M. Funston
Publikováno v:
Nano letters. 11(1)
We determine the three-dimensional shape, to within 1 nm resolution, of single-crystal gold nanorods grown in the presence of silver ions using electron tomography and thickness profile measurements. We find that, contrary to the current literature,
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::f82340135372d38dd7b43d3357030ffa
https://pubmed.ncbi.nlm.nih.gov/21182286
https://pubmed.ncbi.nlm.nih.gov/21182286