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Magnetism and magnetocaloric effect of single-crystal Er5Si4 under pressure

Abstract: Magnetic and magnetocaloric properties of single-crystalline Er5Si4 have been investigated as a function of the applied magnetic field (up to 50 kOe) and the hydrostatic pressure (up to 10 kbar) in the 5?300 K temperature range along the three main crystallographic directions. The magnetization isotherms show a highly anisotropic behavior with the easy-magnetization direction along the b axis for the low-pressure monoclinic and high-pressure orthorhombic structures, in good agreement with previous neutron scattering experiments. Below TC, the approach to the saturation shows a steplike behavior when the magnetic field is applied along the hard directions. The steps are sharper as the pressure increases. At constant magnetic field change, increasing the pressure induces a highly anisotropic enhancement of the magnetic entropy change. An enhancement of 20% is observed along the easy axis b, where the magnetic entropy change is maximum. The different evolution of the magnitude and temperature dependence of the magnetocaloric effect along the three crystallographic directions with pressure is discussed.

Otras publicaciones de la misma revista o congreso con autores/as de la Universidad de Cantabria

 Autoría: Marcano N., Algarabel P.A., Fernández J.R., Magén C., Morellón L., Singh N.K., Schlagel D.L., Gschneidner K.A., Pecharsky V.K., Ibarra M.R.,

 Fuente: Physical Review B - Condensed Matter and Materials Physics (2012) Volume 85, Issue 2, article number 024408

Editorial: American Physical Society

 Fecha de publicación: 01/01/2012

Nº de páginas: 9

Tipo de publicación: Artículo de Revista

 DOI: 10.1103/PhysRevB.85.024408

ISSN: 1098-0121,1550-235X,2469-9950,2469-9969

Proyecto español: MAT2008-06567-C02

Url de la publicación: https://doi.org/10.1103/PhysRevB.85.024408

Autores/as

MARCANO, N.

ALGARABEL, P. A.

MORELLÓN, L.

SINGH, NIRAJ K.

SCHLAGEL, D. L.

GSCHNEIDNER, K. A.

PECHARSKY, V. K.

IBARRA, M. R.