نتایج جستجو برای: remnant magnetization
تعداد نتایج: 29052 فیلتر نتایج به سال:
AT MARE INGENII AND ITS INFLUENCE ON THE SPECTRA OF THE BASALTS AND LUNAR SWIRLS G. Kramer1†, J.-P. Combe, T. McCord, E. Harnett, B. R. Hawke, D. Blewett Bear Fight Center, Winthrop, WA, University of Washington, Seattle, WA, Hawaii Institute of Geophysics and Planetology, University of Hawaii, Honolulu, HI 96822, 4 Applied Physics Laboratory, John Hopkins University, Laurel, MD †gkramer@bearfi...
The structural, optical and magnetic properties of BiFeO3, BiFe0.99Nb0.01O3 Bi1−xCaxFe0.99Nb0.01O3 (BCFNO, 0 ≤ x ≤ 0.25) nanoparticles synthesized via sol–gel method are investigated. It has been found that a phase transition from the rhombohedral R3c structure (x ≤ 0.10) to ideal cubic perovskite (x = 0.25) which can be attributed Ca2+ doping. Increasing dopants results in increase oxygen vaca...
The magneto-electric coupling (MEC) effect has been considered an effective method for the voltages controlled magnetic anisotropy in traditional ferroelectric/ferromagnetic structures. Unlike perovskite ferroelectrics, ferroelectric hafnium-based oxides hold great potential use complementary metal oxide semiconductors (CMOS) circuit with advantages of CMOS compatibility and easy scaled-down lo...
In the present work, hematite (α-Fe2O3) nanoparticles (NPs) were synthesized by using a simple and facile green synthesis Hibiscus plant extract. The used solution is composed of extract 0.1 M iron chloride mixture. are grown at ambient temperature. prepared morphology, structure composition characterized X-ray diffraction (XRD), scanning electron microscopy (SEM), energy-dispersive spectroscop...
The effect of the external magnetic field on millimeter-wave absorption rhodium-substituted epsilon iron oxide, ?-Rh0.13Fe1.87O3 (1) and ?-Rh0.19Fe1.81O3 (2) nanomagnets, is investigated. Terahertz time-domain spectroscopy (THz-TDS) shows that 1 2 display a zero-field ferromagnetic resonance (the so-called natural resonance) at 201 GHz with linewidth 20 210 30 GHz, respectively. measured under ...
although the basic question of ablative threshold dose for ablation of thyroid remnant after surgery yet remains unanswered. but radioiodine therapy is being used as a standard method of treatment. in present research, treatment responces for 100 patients with thyroid cancer treated with 3660 mbq of ¹³¹i were studied. significant response differences between female group (66%) and male group (3...
Magnetization dynamics symmetry plays important roles in magnetization switching. Here we study magnetic field and spin torque induced magnetization switching. Spin moment transferring from polarized itinerant electrons to local magnetization provides a magnetization switching mechanism without using external magnetic field. Besides its importance in fundamental magnetization switching dynamics...
In this article, the magnetic properties of gadolinium chloride-filled double-walled carbon nanotubes (GdCl3@DWNTs) in temperature range 2-300 K are explored. The temperature-dependent phonon frequencies G-band were studied from 80-300 to investigate effect on ordering. Temperature-dependent susceptibility measurements show that GdCl3@DWNTs sample has a pronounced superparamagnetic phase 83 K. ...
In this research, magnetic anisotropy of Co68.15Fe4.33B12.5Si15 microwires were investigated. For this purpose, VVSM (Vector Vibrating Sample Magnetometer) analysis, which measures the transverse components of the magnetization simultaneously with the longitudinal one, was used. The magnetic field is applied in different directions with respect to cylindrical axis of wire and magnetization were...
urban landscape structural analysis; focused on the remnant patch mosaic network as the component with closest interdependency with air and water related processes was undertaken to find and propose environmental planning suggestions.assessments demonstrate that remnant patch mosaic network structure of tehran is still restorable. with appropriate corrective measures based on the natural lay ou...
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