By Zhang, Sam; Zhao, Dongliang

Advances in Magnetic fabrics: Processing, homes, and function discusses fresh advancements of magnetic fabrics, together with fabrication, characterization and functions within the aerospace, biomedical, and semiconductors industries. With contributions by means of foreign pros who own large and sundry services, this quantity encompasses either bulk fabrics and skinny movies and coatings for magnetic functions. A well timed reference e-book that describes things like ferromagnetism, nanomaterials, and Fe, ZnO, and Co-based fabrics, Advances in Magnetic fabrics is a fantastic textual content for college students, researchers, and execs operating in fabrics technology.

  • Describes fresh advancements of magnetic fabrics, together with fabrication, characterization, and applications
  • Addresses quite a few commercial purposes, equivalent to aerospace, biomedical, and semiconductors
  • Discusses bulk fabrics and skinny motion pictures and coatings
  • Covers ferromagnetism, nanomaterials, Fe, ZnO, and Co-based materials
  • Contains the contributions of overseas execs with huge and sundry expertise
  • Covers a holistic variety of magnetic fabrics in a variety of points of approach, homes, and function

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17) Here the last product means that a first electron r1 is in an atomic hydrogen-orbital centered at the second nucleus, whereas the second electron runs around the first nucleus. This “exchange” phenomenon is an expression for the quantum-mechanical property that particles with identical properties cannot be distinguished. This holds not only for the formation of chemical bonds but also for magnetism. The term 28 Advances in Magnetic Materials exchange interaction arises for the origin of magnetism and is stronger roughly by factors of 100 and even by 1000, than the energies arising from the electrodynamic dipole–dipole interaction.

Drawn based on S. V. Vonsovskii, R. Hardin, Magnetism, John Wiley & Sons, 1974, Vol. 3 Diamagnetism Diamagnetic means repelled by both poles. Diamagnetism appears in all materials and is the tendency of a material to oppose an applied magnetic field and therefore, to be repelled by a magnetic field [80]. Despite its universal occurrence, diamagnetic behavior is observed only in a purely diamagnetic material. In a diamagnetic material, there are no unpaired electrons, so the intrinsic electron magnetic moments cannot produce any bulk effect.

The appearance of a nonzero magnetic moment is suppressed by the formation of domain structure. Magnetic characteristics strongly depend on the sample pre-history, preparation, and processing method. The presence of a blocking temperature, Tb < TC, below which the magnetic moment of the particle retains orientation in space, while the particle ensemble demonstrates a magnetic hysteresis. At a temperature higher than Tb, the particle transfers into the superparamagnetic state. In Tb < T < TC region, the particle has a spontaneous magnetization and a nonzero total magnetic moment, which easily changes the orientation in the external field.

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