Temperature-dependent Barkhausen volume in two-dimensional Ising-like ferromagnetic films
Source abstract
Abstract
We report our systematic investigation of temperature-dependent Barkhausen volume behavior for CoFeB/Pd with perpendicular magnetic anisotropy by means of magneto-optical Kerr microscopy. In the temperature range where two-dimensional (2D) Ising-like and single-domain features are sustained, hysteresis parameters such as coercivity, hysteresis area, and saturation magnetization are quantitatively analyzed with respect to the temperature. Interestingly it is demonstrated that the Barkhausen length is directly proportional to the domain-wall width via the magnetic anisotropy in this single-domain and 2D Ising-like model system.
Source: openalex_inverted_index · Quality: baseline
Research context
OpenAlex topics: Theoretical and Computational Physics · Magnetic properties of thin films · Physics of Superconductivity and Magnetism
SciVX discovery tags are terminology-based. OpenAlex topics are source-provided classifications.
Affiliations
Department of Physics, Chungbuk National University, Cheongju 28644, Korea
Faculty of Basic Sciences, University of Transport and Communications, Hanoi 10000, Vietnam
Department of Materials, University of Manchester M13 9PL, United Kingdom
Department of Physics and Chemistry, DGIST, Daegu 42988, Korea
Center for Scientific Instrumentation, Korea Basic Science Institute, Daejeon 34133, Korea
Funding
Ministry of Science and ICT, South Korea · National Research Foundation of Korea
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