Current-induced persistent magnetization in a relaxorlike manganite

Abstract

A single crystal of 7% Fe-doped (La${}_{0.7}$Pr${}_{0.3}$)${}_{0.65}$Ca${}_{0.35}$MnO${}_3$ shows up as a typical relaxor ferromagnet, where ferromagnetic metallic and charge-orbital-ordered insulating clusters coexist with controllable volume fraction by external stimuli. There, the persistent ferromagnetic metallic state can be produced by an electric-current excitation as the filamentary region, the magnetization in which is increased by ~0.4${\mu }_{\mathrm{B}}$ per Mn. A clear distinction from the current heating effect in a magnetic field, which conversely leads to a decrease in ferromagnetic fraction, enables us to bi-directionally switch both the magnetization and resistance by applying the voltages with different magnitudes.

4 pages, 3 figures

References in corpus (4)

• Hysteretic current-voltage characteristics and resistance switching at a rectifying Ti/Pr${}_{0.7}$Ca${}_{0.3}$MnO${}_3$ interface
• Magnetic Field resulting from non-linear electrical transport in single crystals of charge-ordered Pr${}_{0.63}$ Ca${}_{0.37}$ MnO${}_3$}
• Evidences of a consolute critical point in the Phase Separation regime of La(5/8-y)Pr(y)Ca(3/8)MnO(3) (y = 0.4) single crystals
• Fe-doping-induced evolution of charge-orbital ordering in a bicritical-state manganite

Cited by in corpus (2)

• Manipulation of the magnetic order parameter and the metal-insulator-transition of a manganite thin film with applied elastic stress
• Inhomogeneous Phases in a Double-Exchange Magnet with Long Range Coulomb Interactions