title: Magnetization in electron- and Mn-doped SrTiO3.
abstract: Mn-doped SrTiO(3.0), when synthesized free of impurities, is a paramagnetic insulator with interesting dielectric properties. Since delocalized charge carriers are known to promote ferromagnetism in a large number of systems via diverse mechanisms, we have looked for the possibility of any intrinsic, spontaneous magnetization by simultaneous doping of Mn ions and electrons into SrTiO3 via oxygen vacancies, thereby forming SrTi(1-x)Mn(x)O(3-δ), to the extent of making the doped system metallic. We find an absence of any enhancement of the magnetization in the metallic sample when compared with a similarly prepared Mn doped, however, insulating sample. Our results, thus, are not in agreement with a recent observation of a weak ferromagnetism in metallic Mn doped SrTiO3 system.
authors.affiliation: Solid State and Structural Chemistry Unit, Indian Institute of Science, Bangalore-560012, India.
authors.forename: D
authors.initials: D
authors.lastname: Choudhury
authors.forename: B
authors.initials: B
authors.lastname: Pal
authors.forename: A
authors.initials: A
authors.lastname: Sharma
authors.forename: S V
authors.initials: SV
authors.lastname: Bhat
authors.forename: D D
authors.initials: DD
authors.lastname: Sarma