Abstract

Magnetic multilayers of (SrRuO3)m(SrMnO3)n were grown artificially using the pulsed laser deposition technique on (001)-oriented SrTiO3 substrates. The temperature and magnetic field dependent reisistivity of the superlattices consisting of ferromagnetic (FM) SrRuO3 and antiferromagnetic (AFM) SrMnO3 are studied as a function of the SrRuO3 unit cells. We observed a pinned/biased moment instead of the biased field in the superlattices and we redefine the structure as AFM/FM(Pin)/FM(Free)/FM(Pin) units below a critical field.

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