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Showing 1 to 20 of 48 for “"critical field"”.
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Critical Field Measurements on Superconducting Lead Isotopes
Made available in DSpace on 2015-05-12T17:12:13Z (GMT). No. of bitstreams: 2 license.txt: 4848 bytes, checksum: 96035ab3f5e1c23cc7138a224ce498bd (MD5) 5900496.PDF: 3322884 bytes, checksum: b7acd5bdfe709a0feef86cb12bcf2c02 (MD5) Previous issue date: 1958
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Anisotropy Effects in the Critical Field of Superconducting Tin - Indium Alloys
Made available in DSpace on 2015-05-12T21:41:45Z (GMT). No. of bitstreams: 2 license.txt: 4848 bytes, checksum: 96035ab3f5e1c23cc7138a224ce498bd (MD5) 6808175.PDF: 2250224 bytes, checksum: 3e2673cbac91759babda48c207bac30c (MD5) Previous issue date: 1967
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The anisotropy of the upper critical field of chevrel phase compounds
The anisotropy of the upper critical field has been measured on deoxygenated single crystals of the Chevrel phases PbMo6Ss and Cu1.sMo6Ss. Data were taken with the applied field pointing in various directions in the hexagonal (2IO) and (001) planes. At each of a series of field values the …
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Anisotropy effects in the critical field of superconducting tin-indium alloys
Measurements have been made of the critical-field curve, Hc versus T, for eight superconducting dilute alloys of indium in tin near the critical temperature and at low temperatures extending to about 0.30 K. The effective magnitude of the superconducting energy gap is sensitive to the direction of …
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Critical field of superconducting aluminum as a function of pressure and temperature above 0.3°K
The critical field curve of aluminum has been measured from T to 0.30 K, at pressures ranging from 0 to 7200 psi. Using caloric metrically derived values for the low-temperature superconducting electronic specific heat, the data have been extrapolated to T 0, yielding values for Ho and gamma These …
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Superconducting critical field measurements in cerium doped lead between 4.1 degrees and 1.8 degrees Kelvin
Ballistic measurements were made of the critical magnetic fields of superconducting. cylinders of cerium-doped lead. Within the accuracy of our measurements, the introduction of the paramagnetic impurity, cerium, in lead has no effect other than a slight broadening of the transition. The samples, …
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Critical Field of Superconducting Aluminum as a Function of Pressure and Temperature Above 0.3 Degrees K
Made available in DSpace on 2015-05-12T21:41:40Z (GMT). No. of bitstreams: 2 license.txt: 4848 bytes, checksum: 96035ab3f5e1c23cc7138a224ce498bd (MD5) 6711860.PDF: 2726988 bytes, checksum: 5ef6fb25eeb524c0ce039f3bdcc4b9b9 (MD5) Previous issue date: 1967
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The effect of manganese doping on the superconducting transition temperature and the upper critical field of tin-molybdenum-sulfide
… transition temperature, Tc' and the upper critical field, Hc2 (T), of manganese-doped SnMo6S8 (MnxSn1_xMo6S8)' These samples had reproducible superconducting properties. They were characterized by x-ray powder diffractometry, optical microscopy. electron microscopy, and electron microprobe …
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Critical magnetic fields of superconducting tungsten
The thermodynamic critical field curve of a superconducting tungsten specimen with resistivity ratio 7,500 has been measured as a function of temperature down to 3 m K (1 m K - 10-3 oK). From the raw data the critical field H0 at T = 0 is found to be 1.14·1 ± .007 G, and the zero field transition …
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Experimental observations on some reduced-oxygen Chevrel-phase compounds
… SnMo6Sg. The temperature dependence of the upper critical field was measured for gettered SnMo6S8 and PbMo6Sg. The initial slope of the critical field is shallower for the gettered compounds than for ungettered compounds. The effects of doping oxygen into the small-cation Chevrel compound …
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Thermal conductivity of superconducting alloy films in a perpendicular magnetic field
… of In - Bi alloys in a perpendicular magnetic field. The films were quench-condensed onto glass substrates held at 77 K, and had thicknesses ranging from l050 to 4570 A. The ratios of the BCS coherence length to the electron mean free path for these films were in the range 9 to 10. We made …
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Doping Studies of Frustrated Magnets
… Isothermal magnetization indicates that the critical field found at 12 T in LiCuSbO4 was shifted by Zn and Mg doping. While the field is increased as the amount of Mg doping, it was increased as Zn doping in the range of 0≦x≦0.02 but decreased by x≧0.04. The trend in critical field is …
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Spin-Mediated Transport in Superconducting and Spin-Polarized Systems
… superconducting Al films in high Zeeman fields has also been investigated. The tunneling density-of-states of the films were measured through the first-order Zeeman critical field transition. It is found that films with sheet resistances of a few hundred ohms exhibit large avalanche-like …
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The critical magnetic field curves of superconducting molybdenum and cadmium above 0.03 degrees K
The critical magnetic field curves of molybdenum and cadmium have been measured from T to 0.03 oK, using the critical c field curve of aluminum as a thermometer. The data, when extrapolated to T = 0, yield values of H = 96.24 gauss and y = 1.835 o mJ/(mole °K2), for Mo, and H = 28.05 gauss and y = …
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A calorimetric study of the effects of surface energy in a type II superconductor
… well with the latent heats deduced from the critical field curves. The tin-6at%indium sample was too hysteretic to yield meaningful data. The results of measurements performed on lead-4at%thallium were compared to predictions based on laminar and vortex models of the mixed state"--Abstract, …
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Electrohydrodynamic interactions of colloidal particles undergoing Quincke rotation
… when subjected to a high enough DC electric field. Quincke rotation occurs when the charge relaxation time of the particles is greater than that of the fluid medium, causing the particles to become polarized in a direction opposite to that of the electric field and therefore giving rise to an …
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SPIN AND CHARGE TRANSPORT IN 2D MATERIALS AND VAN DER WAALS HETEROSTRUCTURES
… square root dependence of in-plane upper critical field as well as BKT transition. Secondly, spin-polarized tunnel spectroscopy of NbSe2 is presented. The tunnel spectra strongly depend on the magnetization configuration of the tunnel contacts. The result is drastically different from a …
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Studies on the physical structure, properties and operation of ionic liquid electrosprays in the pure-ion mode
… at very small meniscus sizes (<10 𝜇m), lower critical field for emission, and higher electrical conductivity. The model unveils a potentially universal range of electric fields local to the meniscus which in the limit of high impedance, axially symmetric configuration, and negligible space …
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The Development of Tunnel Diode Oscillators And High Magnetic Field Studies of Unconventional Superconductor UTe2: Unveiling the Phase Diagram And Unconventional Hall Effect
… investigation of UTe2 under various magnetic field and pressure conditions by utilizing the Tunnel Diode Oscillator (TDO) and electrical transport. The study is primarily divided into two parts. The first part focuses on the utilization of the TDO to establish a magnetic susceptibility …
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Techno-economic evaluation of demilitarized TiCl₄ recycling processes
Demilitarization has become a critical field of study in South Africa over the last decade. With the focus of reusing or recycling all components with potential values, hazardous environmental impacts can be drastically reduced or even eliminated. The aim of this study was to analyse potential …
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