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solid materials

A new method for determining the magnetic properties of solid materials employed in unconventional magnetic circuits

A new method for determining the magnetic properties of solid materials employed in unconventional magnetic circuits

... One of the main challenges related to the use of solid materials is the eddy current loss. In this work, the total iron loss Pwatt in the ring sample is measured by using the single- phase wattmeter method. ...

8

Computation of Equilibrium State in Gas/Solid Materials Systems

Computation of Equilibrium State in Gas/Solid Materials Systems

... gas-solid materials systems is of practical interest; this consists of finding the values of intensive variables such as mole-fractions, partial pressures, activities or chemical potentials of constituents ...

6

Phase Transition Energies, New Characterization of Solid Materials and Anisotropy

Phase Transition Energies, New Characterization of Solid Materials and Anisotropy

... These important developments facilitated the easy detection of phase transi- tions by indentation. Previously such detection was restricted to a kink in the unloading curve. There is one in the unloading curve of silicon ...

14

Plasma parameters characterization of laser induced breakdown spectroscopy on solid materials at different wavelengths

Plasma parameters characterization of laser induced breakdown spectroscopy on solid materials at different wavelengths

... starting solid until gas state, or in air or vacuum ...on solid sample rather than liquid sample (Cramers and Radziemskii, 2006) since hot plasma are hardly form on the liquid ...

27

Scaling similarities of multiple fracturing of solid materials

Scaling similarities of multiple fracturing of solid materials

... A previous fractal spectral analysis has revealed the fol- lowing collection of particular features in the precursory kilohertz EM activity: (i) emergence of memory effects, (ii) increas[r] ...

15

Highly sensitive coulometric titration of oxygen for the characterization of solid materials at elevated temperatures

Highly sensitive coulometric titration of oxygen for the characterization of solid materials at elevated temperatures

... Oxygen solid electrolyte coulometry (OSEC) performed with electrochemical cells made of yttria-stabilized zirco- nia is a long-standing method used for gas sensing, mate- rial characterization as well as ...

5

Hierarchical simulations of hybrid polymer-solid materials

Hierarchical simulations of hybrid polymer-solid materials

... the solid surface and typically ranges from lengths of a few (1–2) A, for strongly (chemically) adsorbed ˚ molecules, up to around 1 nm for weakly (physically) adsorbed molecules that interact with the surface via ...

15

The range of heavy ions in solid materials

The range of heavy ions in solid materials

... The author would like to thank all the "taU members of the Kellogg Radiation Laboratory for their aid and Asaistance through- out the work of this experiment. In particul[r] ...

153

Characterisation of inorganic materials using solid state NMR spectroscopy

Characterisation of inorganic materials using solid state NMR spectroscopy

... crystalline materials, many interesting properties of solids arise from a non-periodic variation in the periodic features ...new solid is made, it is usually subjected to single-crystal X-ray diffraction, ...

411

Multinuclear Solid-State Nuclear Magnetic Resonance Spectroscopy of Microporous Materials

Multinuclear Solid-State Nuclear Magnetic Resonance Spectroscopy of Microporous Materials

... The materials studied in this thesis are microporous ...porous materials containing channels and cavities with typical pore diameters larger than 2 ...microporous materials due to their broad ...

269

Solid-State Nuclear Magnetic Resonance Spectroscopy of Unreceptive Quadrupolar Nuclei in Inorganic Materials

Solid-State Nuclear Magnetic Resonance Spectroscopy of Unreceptive Quadrupolar Nuclei in Inorganic Materials

... bioinorganic materials, (d) determination of structure and reactivity of solid materials (polymers, ceramics, wood, glasses, semiconductors, crystals and liquid crystals), and (e) use of NMR imaging, ...

291

The use of solid state NMR to monitor reactions and doping in inorganic materials

The use of solid state NMR to monitor reactions and doping in inorganic materials

... in solid materials, a technique called magic angle spinning (MAS) was proposed by Andrew, Bradbury and Eades, who reported that the dipolar Hamiltonian could be reduced by spinning at the angle ...

182

An experimental study on the application of polyalcohol solid-solid phase change materials in solar drying with cross-corrugated solar air collectors

An experimental study on the application of polyalcohol solid-solid phase change materials in solar drying with cross-corrugated solar air collectors

... [8-12]. Solid-solid phase-change heat storage is the process in which solid materials absorb a great deal of heat at a fixed temperature (charging temperature) and transfer from a low-symmetry ...

11

Multinuclear Solid-State NMR Investigation of Structure, Dynamics, and Formation of Porous Materials

Multinuclear Solid-State NMR Investigation of Structure, Dynamics, and Formation of Porous Materials

... porous materials are being designed for the purpose of gas absorption and ...porous materials have shown potential for hydrogen fuel cells, as they may provide a safe, reliable means to store and transport ...

398

Solid State Synthesis of Thermoelectric Materials in Mg  Si  Ge System

Solid State Synthesis of Thermoelectric Materials in Mg Si Ge System

... In the conventional approach, these magnesium base alloys and compounds were fabricated by the melting and solidification method. As pointed out in Ref. 3), this approach suffers from many difficulties in practice: ...

7

Calcium manganite as oxygen electrode materials for reversible solid oxide fuel cell

Calcium manganite as oxygen electrode materials for reversible solid oxide fuel cell

... more practical benets in the current collection. CM and CMN are for the rst time electrochemically characterized as oxygen electrodes for an RSOFC: they both show high catalytic activity for the reduction and oxidation ...

17

Recent technique developments and applications of solid state NMR in characterising inorganic materials

Recent technique developments and applications of solid state NMR in characterising inorganic materials

... inorganic materials problems that could include contributing to understanding the activity, stability and selectivity of functional materials such as catalysts, catalytic supports, as well as microporous ...

45

Si solid state quantum dot based materials for tandem solar cells

Si solid state quantum dot based materials for tandem solar cells

... dot materials, in which Si quantum dots (QDs) are embedded in a dielectric matrix, offer the potential to tune the effective band gap, through quantum confinement, and allow fabrication of optimised tandem solar ...

6

Fracture of Materials Undergoing Solid-Solid Phase Transformation

Fracture of Materials Undergoing Solid-Solid Phase Transformation

... Our analysis is limited by a few important assumptions. First, we assume that the elastic modulus and fracture toughness of both phases are the same. This enables us to use superposition in our stress analysis and avoid ...

129

Modelling of Perovskite based materials for intermediate temperature solid oxide fuel cell cathodes

Modelling of Perovskite based materials for intermediate temperature solid oxide fuel cell cathodes

... For all materials described within this thesis, the first step in their simulation is to optimise the unit cell geometry. This is done by using an experimental crystal struc- ture as the starting point for the ...

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