Published February 8, 2022 | Version Version of Record
Journal article Open

Magnetization of Magnetically Inhomogeneous Sr2FeMoO6-δ Nanoparticles

  • 1. Solid-State Electronics Laboratory, TU Dresden, 01062 Dresden, Germany
  • 2. Cryogenic Research Division, Scientific-Practical Materials Research Centre of NAS of Belarus (SSPA), 220072 Minsk, Belarus
  • 3. Solid-State Electronics Laboratory, TU Dresden, 01062 Dresden, Germany & Cryogenic Research Division, Scientific-Practical Materials Research Centre of NAS of Belarus (SSPA), 220072 Minsk, Belarus
  • 4. i3N and Departamento de Física, Universidade de Aveiro, 3810-193 Aveiro, Portugal & Laboratory of Functional Low-Dimensional Structures, National University of Science and Technology "MISiS", 119049 Moscow, Russia

Description

In this work, we describe the magnetization of nanosized SFMO particles with a narrow size distribution around ca. 70 nm fabricated by the citrate-gel technique. The single-phase composition and superstructure ordering degree were proved by X-ray diffraction, the superparamagnetic behavior by magnetization measurements using zero-field cooled and field-cooled protocols, as well as by electron magnetic resonance. Different contributions to the magnetic anisotropy constant and the temperature dependence of the magnetocrystalline anisotropy are discussed.

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Funding

SPINMULTIFILM – Physical principles of the creation of novel SPINtronic materials on the base of MULTIlayered metal-oxide FILMs for magnetic sensors and MRAM 778308
European Commission