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http://hdl.handle.net/2445/10559
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DC Field | Value | Language |
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dc.contributor.author | Moya Raposo, Xavier | cat |
dc.contributor.author | Mañosa, Lluís | cat |
dc.contributor.author | Planes Vila, Antoni | cat |
dc.contributor.author | Krenke, Thorsten | cat |
dc.contributor.author | Acet, Mehmet | cat |
dc.contributor.author | Garlea, V. O. | cat |
dc.contributor.author | Lograsso, T. A. | cat |
dc.contributor.author | Schlagel, D. L. | cat |
dc.contributor.author | Zarestky, Jerel L. | cat |
dc.date.accessioned | 2009-12-28T09:19:37Z | - |
dc.date.available | 2009-12-28T09:19:37Z | - |
dc.date.issued | 2006 | cat |
dc.identifier.issn | 0163-1829 | cat |
dc.identifier.uri | http://hdl.handle.net/2445/10559 | - |
dc.description.abstract | Inelastic and elastic neutron scattering have been used to study a single crystal of the Ni$_{54}$Mn$_{23}$Al$_{23}$ Heusler alloy over a broad temperature range. The paper reports the first experimental determination of the low-lying phonon dispersion curves for this alloy system. We find that the frequencies of the TA$_2$ modes are relatively low. This branch exhibits an anomaly (dip) at a wave number $\xi_{0} ={1/3}\approx 0.33$, which softens with decreasing temperature. Associated with this anomalous dip at $\xi_{0}$, an elastic central peak scattering is also present. We have also observed satellites due to the magnetic ordering. | - |
dc.format.extent | 6 p. | cat |
dc.format.mimetype | application/pdf | eng |
dc.language.iso | eng | eng |
dc.publisher | The American Physical Society | eng |
dc.relation.isformatof | Reproducció digital del document publicat en format paper, proporcionada per PROLA i http://dx.doi.org/10.1103/PhysRevB.73.064303 | cat |
dc.relation.ispartof | Physical Review B, 2006, vol. 73, núm. 6, p. 064303.1-064303.6 | eng |
dc.relation.uri | http://dx.doi.org/10.1103/PhysRevB.73.064303 | - |
dc.rights | (c) The American Physical Society, 2006 | eng |
dc.source | Articles publicats en revistes (Física Quàntica i Astrofísica) | - |
dc.subject.classification | Transformacions martensítiques | cat |
dc.subject.classification | Teoria dels reticles | cat |
dc.subject.classification | Fonons | cat |
dc.subject.other | Martensitic transformations | eng |
dc.subject.other | Lattice theory | eng |
dc.subject.other | Phonons | eng |
dc.title | Lattice dynamics and phonon softening in Ni-Mn-Al Heusler alloys | eng |
dc.type | info:eu-repo/semantics/article | eng |
dc.type | info:eu-repo/semantics/publishedVersion | - |
dc.identifier.idgrec | 540296 | cat |
dc.rights.accessRights | info:eu-repo/semantics/openAccess | - |
Appears in Collections: | Articles publicats en revistes (Física Quàntica i Astrofísica) |
Files in This Item:
File | Description | Size | Format | |
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540296.pdf | 258.63 kB | Adobe PDF | View/Open |
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