Itinerant electronic ferromagnetism in Sr${}_{2}$ScO${}_{3}$CoAs with largely spaced CoAs conduction layers

Itinerant electronic ferromagnetism in Sr $_{2}$ ScO $_{3}$ CoAs with largely spaced CoAs conduction layers

Hiroto Ohta, Daisuke Noguchi, Koichiro Nabetani, and Hiroko Aruga Katori

Phys. Rev. B 88, 094441 – Published 30 September 2013

Abstract

We studied magnetism of Sr $_{2}$ ScO $_{3}$ CoAs, a member of the group of layered compound with CoAs conducting layers, by using successfully synthesized polycrystalline sample. As a result of magnetic and electric resistivity measurements, Sr $_{2}$ ScO $_{3}$ CoAs was revealed to be an itinerant electronic ferromagnet with the Curie temperature $T_{C}$ $=$ 48 K. We discussed the magnetism of this compound within the spin fluctuation theory for three-dimensional itinerant electronic ferromagnets in the ordered state and also pointed out possible quasi-two-dimensional behavior observed in magnetism.

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Received 23 January 2013

DOI:https://doi.org/10.1103/PhysRevB.88.094441

Authors & Affiliations

Hiroto Ohta^*, Daisuke Noguchi, Koichiro Nabetani, and Hiroko Aruga Katori^†

Institute of Engineering, Division of Advanced Applied Physics, Tokyo University of Agriculture and Technology, Nakacho 2-24-16, Koganei, Tokyo 184-8588, Japan

^*h-ohta@cc.tuat.ac.jp
^†h-katori@cc.tuat.ac.jp

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Issue

Vol. 88, Iss. 9 — 1 September 2013

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