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Keyword: Transient Plane Source Technique

Total Papers Found: 34

Correlation Between the Electronic Structure and the Thermoelectric Properties of Gd-Doped CaMnO3−delta 

Author(s): , , , , ,

The effects of the substitution of Ca with Gd in the Ca1-xGdxMnO3-delta system were investigated. It was determined that the partial substitution of Gd resulted in decreased resistivity ...

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Thermoelectric and magnetic properties of Ca3Co4–xCuxO9 + delta with x = 0.00, 0.05, 0.07, 0.10 and 0.15

Author(s): , ,

The thermoelectric and magnetic properties of the Ca3Co4-xCuxO9+delta system where x = 0, 0.05, 0.07, 0.10, and 0.15 were investigated as materials of this type have potential for use in thermoelectric generators. The ...

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Electronic transport of co-doped misfit-layered cobaltites

Author(s): , ,

Two series of co-doped mifit-layered cobaltites were prepared with compositions of Ca3-xYbxCo4-yAgyO9+delta and Ca3-xEuxCo4-yAgyO9+delta. All of the samples exhibited an increasing thermopower as temperature ...

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Effect of a micro-copolymer addition on the thermal conductivity of fly ash mortars

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A Portland cement-based composite was made using a copolymer as one of the ingredients, and the potential of the composite for the production of non-structural masonry systems was evaluated. It ...

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Improvement on the low-temperature thermoelectric characteristics of Ca3xYbxCo4O9bdelta (0rxr0.10)

Author(s): , ,

The low-temperature thermoelectric properties of Ca3-xYbxCo4O9+delta systems (x = 0, 0.02, 0.05, and 0.10). It was determined that these systems produced positive thermopower, indicating that the dominant carriers were holes. The electrical ...

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Thermal characterisation of a lightweight mortar containing expanded perlite for underground insulation 

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Perlite was added to mortar in order to determine if the resulting composite was more thermally insulating than conventional shotcrete. This study was conducted to determine if shotcrete in which ...

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Measurement of Thermal Properties of Gypsum Board at Elevated Temperatures

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An investigation was conducted to determine the thermal properties of different types of gypsum boards from the USA and Japan. The thermal conductivity and specific heat were determined at room ...

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Low-temperature thermoelectric and magnetic properties of Ca3−x Bi x Co4O9+delta (0 < x < 0.30)

Author(s): , ,

Calcium is partially substituted by bismuth in the Ca3-xBixCoO9+delta (x=0.00, 0.05, 0.10, 0.15, 0.20, and 0.30) system in order to determine how this substitution affects the thermoelectric and magnetic properties of the system. ...

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Thermoelectric properties of n-type Ca1-xBixMnO3-delta (0.00, 0.02, and 0.05) system

Author(s): , ,

Calcium is partially substituted by bismuth in the Ca1-xBixMnO3-delta (x=0.00, 0.02, and 0.05) system in order to determine how this substitution affects the electrical resistivity, thermopower, and thermal conductivity. The ...

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Thermoelectric properties of Ca2.95Bi0.05Co4−xFexO9+delta (0 < x < 0.15)

Author(s): , ,

Thermoelectric materials are currently being researched as a source of energy in order to reduce carbon dioxide emissions. The efficiency of these materials depends on their Seebeck coefficient, electrical resistivity, ...

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