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Dilatometric study of the metamagnetic and ferromagnetic phases in the triple-layered Sr4Ru3O10 system

W. Schottenhamel, M. Abdel-Hafiez, R. Fittipaldi, V. Granata, A. Vecchione, M. Hücker, A. U. B. Wolter, and B. Büchner
Phys. Rev. B 94, 155154 – Published 31 October 2016

Abstract

High-resolution thermal expansion and magnetostriction measurements were performed on single crystalline Sr4Ru3O10 in the temperature range T=2200 K and magnetic fields up to 12 T. Signatures of the ferromagnetic phase transition at Tc102 K were found in the lattice expansion of both the c axis and the ab plane. Due to the layered crystal structure the effects are, however, strongly anisotropic. Further distinct anomalies are visible in the lower temperature region, which could be correlated with the metamagnetic transition at T*50 K. By relating the changes of the thermal expansion at the ferromagnetic transition to those of the heat capacity via the Ehrenfest relation, a strong volumetric pressure dependence of dTc/dp8.5 K/GPa has been revealed.

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  • Received 7 June 2016
  • Revised 12 September 2016

DOI:https://doi.org/10.1103/PhysRevB.94.155154

©2016 American Physical Society

Physics Subject Headings (PhySH)

Condensed Matter, Materials & Applied Physics

Authors & Affiliations

W. Schottenhamel1, M. Abdel-Hafiez1, R. Fittipaldi2, V. Granata2, A. Vecchione2, M. Hücker3, A. U. B. Wolter1, and B. Büchner1,4

  • 1Leibniz Institute for Solid State and Materials Research, IFW Dresden, D-01171 Dresden, Germany
  • 2CNR SPIN U.O.S. Salerno and Dipartimento di Fisica “E.R. Caianiello”, Università di Salerno, I-84084 Fisciano (Sa), Italy
  • 3Condensed Matter Physics and Materials Science Department, Brookhaven National Laboratory, Upton, New York 11973, USA
  • 4Institut für Festkörperphysik Dresden, Technische Universität Dresden, D-01062 Dresden, Germany

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Issue

Vol. 94, Iss. 15 — 15 October 2016

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