INVESTIGADORES
QUINTERO Mariano Horacio
artículos
Título:
Magnetocaloric effect in phase separated manganite probed by differential thermal analysis
Autor/es:
M. QUINTERO; J. SACANELL; L. GHIVELDER; A. M. GOMES; A.G. LEYVA; F. PARISI
Revista:
PHYSICA B - CONDENSED MATTER
Editorial:
ELSEVIER SCIENCE BV
Referencias:
Año: 2009 vol. 404 p. 2763 - 2765
ISSN:
0921-4526
Resumen:
<!-- /* Style Definitions */ p.MsoNormal, li.MsoNormal, div.MsoNormal {mso-style-parent:""; margin:0cm; margin-bottom:.0001pt; mso-pagination:widow-orphan; font-size:10.0pt; font-family:"Times New Roman"; mso-fareast-font-family:"Times New Roman"; mso-ansi-language:EN-GB;} @page Section1 {size:612.0pt 792.0pt; margin:70.85pt 3.0cm 70.85pt 3.0cm; mso-header-margin:36.0pt; mso-footer-margin:36.0pt; mso-paper-source:0;} div.Section1 {page:Section1;} --> Differential thermal analysis is used to measure the temperature change (DT) due to the application of an external magnetic field in a manganite with phase separation.  The temperature dependence of DT is compared with the expected from magnetization measurements. A phenomenological model for the enthalpy change is used to obtain DT during the metamagnetic transition.