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DC Field | Value | Language |
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dc.contributor.author | Viladot, Désirée | - |
dc.contributor.author | Portillo i Serra, Joaquim | - |
dc.contributor.author | Gemí, Mauro | - |
dc.contributor.author | Nicolopoulos, Stavros | - |
dc.contributor.author | Llorca i Isern, Núria | - |
dc.date.accessioned | 2014-05-23T07:45:12Z | - |
dc.date.available | 2015-12-31T23:01:52Z | - |
dc.date.issued | 2014 | - |
dc.identifier.issn | 1431-9276 | - |
dc.identifier.uri | http://hdl.handle.net/2445/54505 | - |
dc.description.abstract | The structure determination of an HfSi4 precipitate has been carried out by a combination of two precession electron diffraction techniques: high precession angle, 2.2°, single pattern collection at eight different zone axes and low precession angle, 0.5°, serial collection of patterns obtained by increasing tilts of 1°. A three-dimensional reconstruction of the associated reciprocal space shows an orthorhombic unit cell with parameters a = 11.4 Å, b = 11.8 Å, c = 14.6 Å, and an extinction condition of (hkl) h + k odd. The merged intensities from the high angle precession patterns have been symmetry tested for possible space groups (SG) fulfilling this condition and a best symmetrization residual found at 18% for SG 65 Cmmm. Use of the SIR2011 direct methods program allowed solving the structure with a structure residual of 18%. The precipitate objects of this study were reproducibly found in a newly implemented alloy, designed according to molecular orbital theory. | - |
dc.format.extent | 8 p. | - |
dc.format.mimetype | application/pdf | - |
dc.language.iso | eng | - |
dc.publisher | Cambridge University Press | - |
dc.relation.isformatof | Reproducció del document publicat a: http://dx.doi.org/10.1017/S1431927613013627 | - |
dc.relation.ispartof | Microscopy and Microanalysis, 2014, vol. 20, num. 1, p. 25-32 | - |
dc.relation.uri | http://dx.doi.org/10.1017/S1431927613013627 | - |
dc.rights | (c) Cambridge University Press, 2014 | - |
dc.source | Articles publicats en revistes (Ciència dels Materials i Química Física) | - |
dc.subject.classification | Microscòpia electrònica de transmissió | - |
dc.subject.classification | Estructura cristal·lina (Sòlids) | - |
dc.subject.classification | Tomografia | - |
dc.subject.classification | Nanotecnologia | - |
dc.subject.other | Transmission electron microscopy | - |
dc.subject.other | Layer structure (Solids) | - |
dc.subject.other | Tomography | - |
dc.subject.other | Nanotechnology | - |
dc.title | Hafnium-Silicon Precipitate Structure Determination in a New Heat-Resistant Ferritic Alloy by Precession Electron Diffraction Techniques | eng |
dc.type | info:eu-repo/semantics/article | - |
dc.type | info:eu-repo/semantics/publishedVersion | - |
dc.identifier.idgrec | 629439 | - |
dc.date.updated | 2014-05-22T11:05:33Z | - |
dc.rights.accessRights | info:eu-repo/semantics/openAccess | - |
Appears in Collections: | Articles publicats en revistes (Ciència dels Materials i Química Física) |
Files in This Item:
File | Description | Size | Format | |
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629439.pdf | 747.39 kB | Adobe PDF | View/Open |
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