Pressure effect on yttrium doped La0.60Y0.07Ca0.33MnO3 compound

Z Arnold, K Kamenev, M R Ibarra, P A Algarabel, C Marquina, J Blasco, J Garcia

Research output: Contribution to journalArticlepeer-review

Abstract

We report the effect of hydrostatic pressure up to 8 kbar on magnetoelastic, magnetic, and transport properties in the temperature range 10-300 K. An increase of Curie temperature T-c with pressure Delta T-c/Delta p=2.6 K/kbar was determined from ac susceptibility measurements. The anomalies in resistivity and magnetovolume effects are significantly suppressed by pressure but the temperatures of these anomalies increased with pressure with the same slope as T-c. These results indicate that impurity state of yttrium rather than lattice parameter reduction is responsible for the large increase in the magnetoresistance observed in the doped compound. (C) 1995 American Institute of Physics.

Original languageEnglish
Pages (from-to)2875-2877
Number of pages3
JournalApplied Physics Letters
Volume67
Issue number19
Publication statusPublished - 6 Nov 1995

Keywords

  • MAGNETORESISTANCE

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