Negative Thermal Expansion in Nanostructured Intermediate-Valence YbAl3

Rojas Pupo, Daniel and Echevarría Bonet, Cristina and Fuente Rodríguez, M. de la and Espeso, J.I. and Blanco Rodríguez, Jesús Ángel and Puente Orench, Inés and Rodríguez Fernández, Lidia and Fauth, François and Fernández Barquín, L. (2019). Negative Thermal Expansion in Nanostructured Intermediate-Valence YbAl3. "IEEE Magnetics Letters", v. 10 ; ISSN 1949-307X. https://doi.org/10.1109/LMAG.2019.2942262.

Description

Title: Negative Thermal Expansion in Nanostructured Intermediate-Valence YbAl3
Author/s:
  • Rojas Pupo, Daniel
  • Echevarría Bonet, Cristina
  • Fuente Rodríguez, M. de la
  • Espeso, J.I.
  • Blanco Rodríguez, Jesús Ángel
  • Puente Orench, Inés
  • Rodríguez Fernández, Lidia
  • Fauth, François
  • Fernández Barquín, L.
Item Type: Article
Título de Revista/Publicación: IEEE Magnetics Letters
Date: September 2019
ISSN: 1949-307X
Volume: 10
Subjects:
Freetext Keywords: Nanomagnetics; intermediate valence; thermal expansion; neutron diffraction; synchrotron X-ray diffraction
Faculty: E.T.S. Arquitectura (UPM)
Department: Estructuras y Física de Edificación
Creative Commons Licenses: Recognition - No derivative works - Non commercial

Full text

[img]
Preview
PDF - Requires a PDF viewer, such as GSview, Xpdf or Adobe Acrobat Reader
Download (1MB) | Preview

Abstract

Interest in the strongly correlated electron system YbAl3 has been recently renewed by the observation of a breakdown of coherence effects and Fermi liquid behavior when the alloy?s particle size is reduced to around 11 nm. Powder diffraction measurements using neutron and synchrotron radiation allow us to estimate the thermal expansion of the nanostructured YbAl3. A region of negative thermal expansion in the nanostructured material occurs at higher temperatures compared to that of bulk YbAl3. This shows that the reduction in the size of YbAl3 not only affects electronic properties, but also the lattice dynamics of this material.

Funding Projects

TypeCodeAcronymLeaderTitle
Government of SpainMAT2017-83631-C3-3-RUnspecifiedUnspecifiedBacterias magnetotácticas como generadoras de nanopartículas magnéticas modelo y bio-robots para terapias especifícas

More information

Item ID: 63735
DC Identifier: http://oa.upm.es/63735/
OAI Identifier: oai:oa.upm.es:63735
DOI: 10.1109/LMAG.2019.2942262
Official URL: https://ieeexplore.ieee.org/abstract/document/8843947
Deposited by: Memoria Investigacion
Deposited on: 28 Sep 2020 10:18
Last Modified: 28 Sep 2020 10:18
  • Logo InvestigaM (UPM)
  • Logo GEOUP4
  • Logo Open Access
  • Open Access
  • Logo Sherpa/Romeo
    Check whether the anglo-saxon journal in which you have published an article allows you to also publish it under open access.
  • Logo Dulcinea
    Check whether the spanish journal in which you have published an article allows you to also publish it under open access.
  • Logo de Recolecta
  • Logo del Observatorio I+D+i UPM
  • Logo de OpenCourseWare UPM