Structural, dimensional and thermoelectric properties of melt spun p-Bi0,5Sb1,5Te3
The receipt of the thermoelectric properties of p-alloy powders and their structural properties. Compaction of powders by vacuum hot pressing and spark plasma sintering. The thermal conductivity of the samples, the calculation of the Seebeck coefficient.
Подобные документы
The results of investigation multilayer TiN / MoN coatings. Arc-PVD method. Parameters of multilayer TiN/MoN deposition. The energy-dispersive spectrum of coating. Sims depth profile analysis of positive secondary ions. Tem-eds chemical mapping.
статья, добавлен 23.12.2016Factors that reduce the strength properties of ferromagnetic iron oxides impurities of oxides of stoichiometric composition, etc. Using Mossbauer spectroscopy and x-ray diffraction analysis to determine the effects of magnetic pulses on iron oxides.
статья, добавлен 13.10.2016The study of the basic properties of the interfaces between the substrates and high-temperature superconductors of films. Characteristics of the surface resistance of the film at microwave frequencies. Improving the microwave properties of the HTS film.
статья, добавлен 28.10.2018SiCN system like a new kind of semiconductor materials that connect the best properties of silicon carbide and nitride. Characteristics of the variation of the Knoop hardness, nanohardness and Young’s modules as functions of substrate temperature.
статья, добавлен 30.07.2016Structure, composition and properties of these coatings were studied. Hardness measurements and adhesion tests were provided. Values of hardness and cohesive strength. Physical and technological parameters of deposition, elemental composition of coatings.
статья, добавлен 30.07.2016Synthesis of transparent siliceous environments with high-doped Yb-Er, Yb-Ho and Yb-Eu. Definition of media structure and spectral-luminescent properties in the anti-Stokes region when excited by ions Yb3 +. Analysis of properties silicious glassy media.
статья, добавлен 30.07.2016The method of metal-stimulated etching and electrochemical anodic etching were compared. The photoelectric properties of the resulting structure are influenced by the processes of recharging traps. The highly sensitive photodiodes in solar energy.
статья, добавлен 27.02.2021Properties of nuclei, heavy ion collisions and neutron stars. An estimate of the coefficient of incompressibility. Frequent mode of interaction of a particle collision. The theory for the microscopic description of the various modes of giant resonances.
статья, добавлен 06.11.2013Development of model for prestellar clouds. Thermal and chemical evolution. Effects of cosmic microwave background radiation. Role of metals in dust phases: a minimum model for metallicity effects. Reduced chemical model for low-metallicity clouds.
статья, добавлен 13.11.2013Investigating nanolaminates formed by compaction of FeCo nanoparticles with a very thin coating of a protective carbon or oxide. The hysteretic power loss as a function of frequency. The real, imaginary parts of permeability for soft magnetic materials.
статья, добавлен 28.10.2018A consideration of process for impulse heat treatment of a silicon surface. The studying the thermal conductivity of a silicon powder and a polycrystalline wafer molded from powdered stock. Defining and comparing compounders with monocrystalline silicon.
статья, добавлен 29.07.2014The different surface energies. Grain boundary prewetting and premelting phase transitions. Energy, segregation, mobility and diffusivity in the systems Cu–Bi, Al–Ga, Al–Pb, Fe–Si–Zn. Grain boundary phase transitions and the properties of polycrystals.
статья, добавлен 28.10.2018The statistical properties of X-ray selected BL Lacertae objects whose catalogue has been compiled from different X-ray surveys, unambiguously indented to mid-2010. Results of the statistical research of deferent observational quantities are provided.
статья, добавлен 18.10.2013Magnetite nanoparticles were synthesized via co-precipitation of iron (II) and iron (III) salts by potassium hydroxide or ammonium hydroxide in aqueous solution. Magnetic properties of magnetite nanoparticles were investigated by magnetometry method.
статья, добавлен 30.07.2016- 40. Commentary on the Efficiency of Selected Structural Designs of Low Head Micro Hydraulic Power Plants
Possible structural design siphon micro hydroelectric power stations in terms of their effectiveness and the selection of the optimum head pressure. Gravitational constant (acceleration due to gravity). Calculation of hydraulic friction in the turbine.
статья, добавлен 13.01.2015 General representation of the electromagnetic properties of solids. The effect of temperature and magnetic field on the amount of condensation the object. Comparison of theoretical and experimental data of electrical conductivity of the dielectric.
статья, добавлен 30.07.2016Method of nanodispersed Fe2O3 synthesis by thermal decomposition of iron citrate. Particles of synthesized materials in a state of magnetic ordering and in superparamagnetics. Influence of magnetic dipole interaction on parameters of Mossbauer spectra.
статья, добавлен 24.02.2016The latest research and development in China for magnetic field-enhanced vacuum arc deposition (MFE-VAD). The interaction between the magnetic field and cathode arc spot (and arc plasma). External magnetic field. The increasing of plasma density.
статья, добавлен 30.07.2016A widely usage of multicomponent film systems as a sensitive elements - a characteristic feature of multifunctional sensors. Influence of the phase composition, the structure of components on the mechanical properties of three-layer nickel films.
статья, добавлен 30.07.2016The temperature effect on the phase composition, on variation in diffuse reflection spectra. Absorption coefficient of titanium dioxide powder during heating and modification by silicon dioxide nanoparticles. The irradiation with accelerated electrons.
статья, добавлен 12.09.2016Structure-phase state, magnetic resistance investigation of Ni/Au/Ni film systems was carried out. Studying dimensional magnetic resistance. It was shown that in Ni/Au/Ni film systems is preferentially presents magnetic resistance in perpendicular pane.
статья, добавлен 30.07.2016The results of experimental studies of the magnetooptical Kerr effect of thin-film systems based on Niand V. Dimensional and temperature dependencies of the Kerr effect are shown, as well change of MOKE-loop shape at different annealing temperatures.
статья, добавлен 30.07.2016Analysis of thermal stability, features of structure, physical-mechanical descriptions of thin wearproof coverages on the basis of diborides of transitional metals, under act of high temperatures. Studding the optimization model of cutting process.
статья, добавлен 30.07.2016Numerical simulation of the excitation of a plasma wave-phase field by means of a generated laser pulse. Increase in the coefficient of transformation. The length of the shaped laser pulse. The maximum energy, to which electrons can be accelerated.
статья, добавлен 22.12.2016The overall frame and principal steps of complex numerical modelling of thermal processes in power boiler furnaces on pulverised coal with tangential disposition of the burners. The methodology for creation of three-dimensional models of boiler furnaces.
статья, добавлен 02.02.2019