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Showing 1 to 20 of 57 for “"Magnetic measurements"”.
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Application of Mineral Magnetic Measurements as a Pollution Proxy for Urban Road Deposited Sediment
… not fully explored the application of mineral magnetic technologies as an alternative to characterise RDS or, perhaps more importantly, their use as particle size proxy. Therefore, this study addresses these issues by determining the extent of any linkages between magnetic properties and the …
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Probing the Behaviour of Antiferromagnets: Electric and Magnetic Measurements Across a Range of Length-scales
… a spin current due to thermal gradients within a magnetic material. Both effects have attracted significant interest in recent years as means of generating spin currents and probing the behaviour of magnetic materials, with potential spintronic applications in data storage. The simultaneous action …
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Equilibrium and stability studies of plasmas confined in a dipole magnetic field using magnetic measurements
… current ring to confine a plasma in a dipole magnetic field. Unlike most other confinement devices, plasma compressibility stabilizes and allows the plasma to attain a peak beta on the order of unity. Various magnetic sensors have been designed, calibrated, installed, and operated to …
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ΓΕΩΦΥΣΙΚΕΣ ΕΡΕΥΝΕΣ ΣΤΗΝ ΠΕΡΙΟΧΗ ΤΗΣ ΛΕΚΑΝΗΣ ΜΕΓΑΛΟΠΟΛΗΣ
… METHODS (SEISMOLOGICAL, GRAVITY, RESISTIVITY MAGNETIC MEASUREMENTS). MORE SPECIFICALLY, THE SCOPE OF THIS STUDY DEALS WITH THE DETERMINATION OF THE SEISMIC BACKGROUND OF THE BASIN, THE DETECTION OF ACTIVE OR BURRIEDFAULTS INSIDE THE BASIN AND THE CONTOURING OF THE ALPINE BASEMENT.
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Advanced Aeromagnetic Compensation Models for Airborne Magnetic Anomaly Navigation
Using the earth's magnetic anomaly field for navigation of aircraft has shown promise as a viable alternative to the Global Positioning System (GPS) and other navigation systems. An airborne magnetic anomaly navigation (MagNav) system collects real-time magnetic field data and uses predetermined …
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Probe studies of plasma in a magnetic well
… proposed by Andreoletti has been investigated. Magnetic field measurements have revealed that the device produces a magnetic well with mirror ratio 1.06. Further magnetic probe measurements have enabled detailed description of the plasma dynamics in the central horizontal plane to be given. A …
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Strukturelle und magnetische Eigenschaften der Cu-Divanadate sowie verwandter, niedrigdimensionaler Verbindungen
… thesis is the preparation, the structural and magnetic properties of copper-divanadate CuxV2O5+x (x = 1, 2, 3 and 5) and K-Cu-Oxo-vanadate KCu5-xMgxV2O13 (x = 0; 1; 1,25 and 1,5). In these vanadates the magnetic Cu2+ ions (S=1/2) forms different one dimensional chains and two dimensional …
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ΚΒΑΝΤΟΧΗΜΙΚΗ ΚΑΙ ΠΕΙΡΑΜΑΤΙΚΗ ΜΕΛΕΤΗ ΤΗΣ ΔΟΜΗΣ ΚΑΙ ΤΩΝ ΦΑΙΝΟΜΕΝΩΝ ΥΠΕΡΑΝΤΑΛΛΑΓΗΣΔΙΚΕΝΤΡΙΚΩΝ D9:D9 ΜΑΓΝΗΤΙΚΩΝ ΣΥΣΤΗΜΑΤΩΝ ΜΕ ΓΕΦΥΡΕΣ ΕΚΤΕΤΑΜ...
… OCTAHEDRALOR DISTORTED SQUARE PLANAR ONES. MAGNETIC MEASUREMENTS ON TWO OF THE COMPOUNDSREVEAL A WEAK SUPEREXCHANGE PHENOMENON TO BE PROPAGATED THROUGH THE BRIDGE. THE MAGNITUDE OF THE SUPEREXCHANGE SEEMS TO BE CONTROLLED BY THE LOCAL CHROMOPHORE GEOMETRY. THE EHMO, QUANTUM CHEMICAL RESULTS …
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Metallic Magnetic Hetrostructures
… structures. In SV layered structures, two ferromagnetic layers are separated by a non-magnetic spacer. Under an external magnetic field, the relative orientation of the magnetization changes in the ferromagnets, exhibiting the giant magnetoresistive effect. The controlled switching of …
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Remanent magnetization in angrite NWA 4931
… examined in newly discovered angrite NWA 4931. Measurements were conducted on subsamples cut from various distances along a drilled core sample of the meteorite. The samples were then progressively demagnetized to isolate primary magnetization from contaminant overprints and to calculate …
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Synthesis and Characterization of Molecule-Based Magnets Containing Methyl-Substituted Phenyltricyanoethylene Acceptors
… with electron donating groups on the overall magnetic properties of the solid, specifically to contrast their behavior with materials that contain similar trifluoromethyl (-CF3) substituted acceptors. These electron-poor olefins react with V(CO)6 in dichloromethane (CH2Cl2) under N2 to yield …
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BiMnO3 turinčių kietųjų tirpalų sintezė ir tyrimas /
… All BixLa1-xMnO3+δ samples demonstrated paramagnetic behavior at room temperature and magnetization depends on chemical structure and composition. Sol-gel method was applied for preparation of (1-x)BaTiO3-xBiMnO3 and (1-x)SrTiO3-xBiMnO3 solid solutions. Cubic structure was observed for all …
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Co-ordination Chemistry of Vinylpyridine Polymers
… using electron spin resonance, nuclear magnetic measurements and elemental analyses. The results have been compared with those for analogues prepared from the monomer (4-vinylpyridine) and from the polymers (poly(4-vinylpyridine) and poly(4-vinylpyridine-N-oxide)) by reaction in …
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Neue Carbodiimide der 3d-Übergangsmetalle : Synthese, Struktur und magnetische Eigenschaften
… have been carried out to determine the antiferromagnetic structure of MnNCN. In the ordered state, two different orientations of the manganese spins could be detected. With the preparation of CoNCN and NiNCN, two hitherto unknown transition metal carbodiimides were synthesized by a newly …
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Investigation of magnetic sensing system for in-place corrosion characterization in metals
… This document describes the development of magnetic sensing schemes to characterize corrosion of metals in situ. GMR magnetic field sensors are applied to overcome difficulties encountered with traditional corrosion detection methods. Magnetic measurements present a manner to monitor …
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Optical and spin properties of nitrogen vacancy centers in bulk and nanocrystalline diamond
… and determine single NV centers. I made measurements on the photon statistics of different defects to determine if they were single emitters or multiple emitters. I also made microwave frequency magnetic measurements to determine the spin properties of single NV centers by measuring their …
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Magnetic Properties Of Sputter Deposited Fe-based Amorphous Thin Films For Resonator Application
In this study we investigate the magnetic properties of Fe-based amorphous thin films. Fe1-x-y-zBxSiyCz, Fe80-xNixB20, Fe80-xMnxB20, and Fe73-xMnxB27 films were deposited on silicon and glass substrates in a DC and RF magnetron sputtering system. Inductive magnetic measurements were performed to …
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Studies of Some Co-Ordination Compounds of Iron and Cobalt
… has been isolated from the nitric acid solution. Magnetic and Mossbauer data have shown that this complex contains low spin iron III, This species generates the familiar red coloured tris bipyridyl iron II rapidly when dissolved in water in the presence of light, but is very stable in solutions of …
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Influence of Mechanical Loading and Temperature on the Magnetic Properties of FeCo-2V Soft Magnetic Alloy
… an investigation into the mechanical and magnetic responses of FeCo-2V alloy under various loading and thermal conditions, aiming to elucidate the mechanisms behind magnetic property degradation during service. By integrating advanced characterisation techniques, including in situ Digital …
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Synthesis And Characterization Of Transition Metal Arsenide Nanocrystals And The Metastability And Magneto-Structural Phase Transition Behavior Of Mnas Nanocrystals
… samples, and these results were compared to AC magnetic susceptibility measurements of the samples. The results confirm that the structural transition and the magnetic transition are highly correlated in bulk MnAs and suggest that for type-A MnAs nanoparticles, there is a similar …
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