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Showing 1 to 20 of 174 for “"Lanthanum"”.
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Dispersion behavior of aluminum oxide, lanthanum manganite and lanthanum chromite powders in liquids
… powders, the second is on the dispersion of lanthanum manganite and lanthanum chromite powders in nonaqueous solvents"--Abstract, page iii.</p>
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Physical Properties and Catalytic Activity of Lanthanum-Cobaltate
Made available in DSpace on 2014-12-12T00:32:34Z (GMT). No. of bitstreams: 1 7317420.pdf: 3959237 bytes, checksum: 1973ea15ee3f314051d3670b3fd17b23 (MD5) Previous issue date: 1972
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Critical behavior and transport properties of lanthanum manganite
The resistivity, thermopower, magnetization, and ac heat capacity ofLa0.7Ca0.3Mn03, La0.7(Ca,Pb)0.3Mn03, and Lao.7Sro.3Mn03 single crystals have been measured over a broad temperature range in fields of up to 70 kOe. Below Tc, all three samples exhibit a strong T 2 temperature dependence, …
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Gallium lanthanum sulphide glasses for near-infrared photonic applications
This thesis investigates gallium lanthanum oxysulphide (GLS) glasses for potential fibre device applications. GLS glasses have low phonon energy and high rare earth solubility, which makes them candidates for rare earth-doped devices, and in particular for the 1.3 µm praseodymium-doped optical …
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Dynamic Nuclear Polarization in Samarium Doped Lanthanum Magnesium Nitrate
… effect in single crystals of samarium doped lanthanum magnesium nitrate (Sm:LMN) has been studied theoretically and experimentally. The equations of evolution governing the dynamic nuclear polarization by the solid effect have been derived in detail using the spin temperature theory and the …
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Effects of cobalt, lanthanum and chromium on plants and animals
Effects of cobalt, lanthanum and chromium metal and ions on plants and animals
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Synthesis and characterization of cerium-doped lanthanum halide colloidal nanocrystals
Cerium-doped bulk lanthanum halide compounds are attractive in the field of high-energy radiation detection due to their interesting properties that include efficient radiation absorption, highly luminescent activator (cerium) emission through atomic transitions, host lattice protecting activators …
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Metal-insulator transition in yttrium- and neodymium-doped lanthanum nickelates
Discovery of high-temperature superconductivity (SC) in (La,Ba)₂CuO₄ opened many lines of investigation into similar perovskite-related compounds, such as the square-planar “infinite-layer” superconductor, Sr₁₋ₓRₓCuO₂ (R = rare-earth element). Until recently, SC had not yet been found in any …
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Radiation-Enhanced Diffusion of Lanthanum in Cerium Dioxide Thin Films
Made available in DSpace on 2017-07-06T18:55:45Z (GMT). No. of bitstreams: 3 Pappas_Harrison_K_MS.pdf: 1482565 bytes, checksum: 2933869aff9af3322ffa74df3c73cca3 (MD5) Pappas_Harrison_K_MS_ABS.pdf: 89237 bytes, checksum: ddab93aa3b35515e29bd40e2482647cd (MD5) license.txt: 4813 bytes, checksum: …
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Anomalous Hall Effect in Calcium -Doped Lanthanum Cobaltite and Gadolinium
The Hall resistivity, magnetoresistance, and magnetization of a Gadolinium single crystal were measured in fields up to 30 T. Cobaltite films were grown via laser ablation and characterized by a variety of techniques. Hall resistivity, magnetoresistance, magnetization, and magnetothermopower of L …
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Anomalous Hall Effect in Calcium-doped Lanthanum Cobaltite and Gadolinium
Made available in DSpace on 2012-06-28T21:43:37Z (GMT). No. of bitstreams: 1 Baily_Scott.pdf: 3760245 bytes, checksum: 7239169ba2ec52f9b0a9c55d7519bb1e (MD5) Previous issue date: 2003
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In situ Raman spectroscopy of lanthanum-strontium-cobaltite thin films
… is used to probe the structural change of Lanthanum Strontium Cobaltite (La1.xSrxCoO 3 -8) thin films across change in composition (0%-60% strontium) and temperature (30*C-520°C). Raman shift peaks were identified and correlated with specific vibrational modes. Results were consistent with …
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Synthesis, Structure and Transport Properties of New Lanthanum-based Ternary Hydrides
… that can stabilize superconducting phases of lanthanum hydrides at reduced pressures while retaining favorable superconducting properties. Four classes of lanthanum-based ternary hydrides were synthesized and characterized under high pressure using diamond anvil cells, synchrotron X-ray …
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Synthesis and Electrochemical Performance of Lithium Lanthanum Titanate Solid-state Electrolyte
… leakage in lithium-ion batteries. Lithium lanthanum titanate (Li3xLa2/3–xTiO3, LLTO) is a ceramic oxide solid-state electrolyte material, which has attracted many interests due to its high chemical stability, wide voltage window and high ionic conductivity (10-3 S/cm). However poor grain …
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Rare-earth-doped gallium lanthanum sulphide glasses for mid-infrared fibre lasers
Gallium lanthanum sulphide (GLS) glass was investigated as a potential host material for rare-earth (RE) doped mid-infrared fibre lasers. <br/><br/>Glasses were fabricated from gallium sulphide and lanthanum sulphide powders by melt quenching and drawn into fibres using the rod-in-tube technique. …
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Computer simulation of defect evolution in lanthanum doped cerium dioxide under irradiation
… implanted as an important fission product, and lanthanum, doped to simulate trivalent solid fission products or mixed oxide fuel (MOX), is developed for both molecular statics (MS) and molecular dynamics (MD) simulations. Then the single xenon incorporation and migration behaviors in ceria are …
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