Ferromagnetic Materials
Numerical simulations of ferromagnetic materials
... Technological applications of ferromagnetic materials are nowadays numerous among which one finds nano electronic devices, telecommunication or magnetic data recording. In all these fields, the numerical ...
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Phase Field Crystal Approach to the Solidification of Ferromagnetic Materials
... The Magnetic PFC model which was constructed in this research, has essential proper- ties that make it ideal for the subject of this thesis and for other magneto-elastic e ff ects in ferromagnetic materials ...
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Caution to Apply Magnetic Barkhausen Noise Method to Nondestructive Evaluation of Plastic Deformation in Some Ferromagnetic Materials
... several ferromagnetic specimens with the same final state of residual strain but of different loading history were fabricated and inspected by using a MBN testing ...
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Quantification of hysteresis and nonlinear effects on the frequency response of ferroelectric and ferromagnetic materials
... system are reported in by [6]. Zhang [26] had developed an innovative tool to visualize the spectral structure of the hysteretic nonlinear system. By plotting the gain as a function of input and output frequencies using ...
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Low Complex System for Levitating Ferromagnetic Materials
... of ferromagnetic materials, it can be suspend in space by the use of electromagnetic force generated by the magnet which balances the gravitational ...
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A Motor Driven by Permanent Magnets Alone; A Clean and Abundant Source of Electromagnetic Energy from Iron and Other Ferromagnetic Materials
... In the early eighteenth century, long after the discovery of lodestone, the first compound permanent magnet was manufactured and available for commercial use [6]. Recent technological advances in the magnetization of ...
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On Line Inspection of Ferromagnetic Materials Using Magnetic NDE Methods
... This paper presents results of measurements of magnetomechanical acoustic emission MAE and Barkhausen effect for nickel samples of different grain sizes.. The results show that in nickel[r] ...
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A homogenized energy framework for ferromagnetic hysteresis
... of ferromagnetic materials and yields an- hysteretic magnetization relations in a natural ...polycrystalline materials, a variety of uniaxial regimes, and weakly anisotropic ...
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A stress-dependent hysteresis model for ferromagnetic transducer materials
... The coupled magnetomechanical behavior of ferromagnetic materials is highly complex and we do not attempt to characterize all manifestations of the phenomenon in this paper. Instead we focus on specific ...
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AND ITS INVENTIONAL OF NUCLEAR AND FERROMAGNETIC RELAXATION
... magnetic materials that have numerous applications in transformers and inductors due to appropriate magnetic ...metallic ferromagnetic materials is impossible because the temperature of sample ...
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Dynamic phase transitions in thin ferromagnetic films
... thin ferromagnetic films within the anisotropic Heisenberg model subject to a pulsed oscillatory external ...thin ferromagnetic films in a sinu- soidal oscillatory ...
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Ferromagnetic ordering in Mn doped ZnO nanoparticles
... ferent doping concentrations. The Mn dopant can reach up to 9 at% without the formation of secondary phase and precipitates. The as-prepared samples all show room- temperature ferromagnetism. Post-annealing in either air ...
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Ordering of ferromagnetic nanoparticles in nematic liquid crystals
... The ferromagnetic particles were isolated from a common ferrofluid (EFH1 from FerroTec), and are approximately 10 nm in size, while they do cluster to micrometer size to form aggregates which are visible in ...
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Impedance of nanometer thickness ferromagnetic Co40Fe40B20 films
... film. Ferromagnetic resonance (FMR), ultrahigh frequency impedance (IM), dc electrical resistivity (r), and magnetic hysteresis loops (MHL) of these films were ...
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Investigation of a Mesoporous Silicon Based Ferromagnetic Nanocomposite
... desired ferromagnetic properties can be ...the ferromagnetic/superparamagnetic tran- sition but also because of the biocompatibility of the system caused by the low toxicity of both ...
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Electrical manipulation of ferromagnetic NiFe by antiferromagnetic IrMn
... We demonstrate that an antiferromagnet can be employed for a highly efficient electrical manip- ulation of a ferromagnet. In our study we use an electrical detection technique of the ferromagnetic resonance driven ...
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Canted magnetization texture in ferromagnetic tunnel junctions
... parametric regimes I or II and III 共I ⬘ or II ⬘ and III ⬘ 兲 in Fig. 2. The detailed structure of the hysteresis loop depends on whether the magnetization texture is formed near the junc- tion or not, depending on the ...
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Defect trapped electrons and ferromagnetic exchange in ZnO
... The ferromagnetic moment in the model arises from electrons trapped at negatively charged vacancies in an n-type ...Strong ferromagnetic coupling between defects is found in these total-energy calculations ...
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Ferromagnetic Resonance Studies of Coupled Magnetic Systems
... As seen in Chapter 1, the sign of the exchange integral determines the type of coupling (ferromagnetic or antiferromagnetic) displayed by the structure. This value is a function of separation distance between the ...
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Investigation of Room Temperature Ferromagnetic Nanoparticles of Gd5Si4
... show ferromagnetic behavior at 275 and 350K but they are milled for much longer period which has reduced their magnetization significantly and hence show they have the lowest ...
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