Journal ArticleDOI
Amorphous magnetic materials
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The fundamental research on the physics of amorphous magnetic materials is reviewed in this article, where the atomic and magnetic structure and the magnetic properties are discussed, as well as the theoretical results on the nature of the magnetic ordering and the spectrum of elementary excitations are reported.Abstract:
Fundamental research on the physics of amorphous magnetic materials is reviewed. The atomic and magnetic structure and the magnetic properties are discussed. Theoretical results on the nature of the magnetic ordering and the spectrum of elementary excitations are reported. Applications are discussed.read more
Citations
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Journal ArticleDOI
Physics of ferromagnetic amorphous alloys
TL;DR: In this article, the fundamental physical properties of ferromagnetic amorphous alloys are reviewed and an attempt is made to compare existing data and, where possible, to synthesize new perspectives.
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Detecting system and method for oil or gas well
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Journal ArticleDOI
Magnetic properties of amorphous rare-earth 3d-transition-metal alloys
A.S. Andreenko,S.A. Nikitin +1 more
TL;DR: In this article, the magnetic properties of amorphous rare-earth 3D transition metal alloys are reviewed using current theoretical models to account for the experimental data available, and the dependence of the exchange integrals on the interatomic separation is determined.
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Apparatus and method for electromagnetically detecting the passing of a plug released into a well by a bridge circuit
TL;DR: In this paper, a plug released into an oil or gas well carries one or more metallic strips that affect the inductance of a resistive-inductive bridge circuit mounted adjacent a conduit through which the plug and fluids are pumped into the well.
References
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Journal ArticleDOI
Experiments on simple magnetic model systems
L.J. de Jongh,A.R. Miedema +1 more
TL;DR: In this article, a review of the theoretical and experimental results obtained on simple magnetic model systems on magnetic lattices of dimensionality 1, 2, and 3 is presented, with particular attention paid to the approximation of these model systems in real crystals, viz how they can be realized or be expected to exist in nature.
Journal ArticleDOI
Single-Site Approximations in the Electronic Theory of Simple Binary Alloys
TL;DR: In this paper, a single-band model Hamiltonian is used to describe the electronic structure of a three-dimensional disordered binary alloy, and several common theories based on the single-site approximation in a multiple-scattering description are compared with exact results for this Hamiltonian.
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