Results 241 to 250 of about 6,618 (275)

Seebeck coefficient of K2SO4

Materials Research Bulletin, 1983
Abstract The thermopotential of the cell (SO 2 +O 2 ), Pt/K 2 SO 4 /Pt, (SO 2 +O 2 )′ was measured, and a Seebeck coefficient of 1.6 mV/°C was obtained. This value is higher than that of most salts that have been measured to date. The high Seebeck coefficient has implications in the use of the cell in SO 2 gas measurements.
C.Y. Lin, C. Hirayama
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Seebeck Coefficient (Thermopower)

2007
Based on the idea that different temperatures generate different carrier densities and the resulting carrier diffusion causes the thermal electromotive force (emf), a new formula for the Seebeck coefficient (thermopower) S is obtained: \(S = (2\ln{2} /3)(qn)^{-1}\epsilon_{F}k_{B}({\cal N}_{0}/V)\), where q, n, \(\epsilon_{F}\), \({\cal N}_{0}\), and V ...
Shigeji Fujita, Kei Ito
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High temperature Seebeck coefficient metrology

Journal of Applied Physics, 2010
We present an overview of the challenges and practices of thermoelectric metrology on bulk materials at high temperature (300 to 1300 K). The Seebeck coefficient, when combined with thermal and electrical conductivity, is an essential property measurement for evaluating the potential performance of novel thermoelectric materials. However, there is some
J. Martin, T. Tritt, C. Uher
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Reference Material for Seebeck Coefficients

International Journal of Thermophysics, 2014
This paper describes a measurement method and a measuring system to determine absolute Seebeck coefficients of thermoelectric bulk materials with the aim of establishing reference materials for Seebeck coefficients. Reference materials with known thermoelectric properties are essential to allow a reliable benchmarking of different thermoelectric ...
F. Edler, E. Lenz, S. Haupt
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Effective Seebeck coefficient for semiconductors

Physical Review B, 2006
A distinction between two common definitions of Seebeck coefficient is clarified. The effective Seebeck coefficient, which describes the effective electric field induced by a temperature gradient, is found to be a constant for a homogeneous doped semiconductor regardless of its doping.
Jianwei Cai, G. D. Mahan
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High Seebeck Coefficient BiSbTe Nanowires

Electrochemical and Solid-State Letters, 2010
Bismuth antimony telluride (BiSbTe) nanowires were electrodeposited at constant potentials into polycarbonate templates from a tartaric-nitric acid electrolyte. Optimum deposition potentials were obtained from polarization and compositional analysis. X-ray diffraction analysis showed a preferential (015) orientation for the nanowires.
Raja S. Mannam, Despina Davis
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ErAs/InGaAs superlattice Seebeck coefficient

ICT 2005. 24th International Conference on Thermoelectrics, 2005., 2005
InGaAs with embedded ErAs nano-particles is a promising material for thermoelectric applications. The incorporation of erbium arsenide metallic nanoparticles into the semiconductor can provide both charge carriers and create scattering centers for phonons.
null Gehong Zeng, J.E. Bowers, null Yan Zhang, null Ali Shakouri, J. Zide, A. Gossard, null Woochul Kim, A. Majumdar   +7 more
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A Nanoscale Standard for the Seebeck Coefficient

Nano Letters, 2011
The Seebeck coefficient, a key parameter describing a material's thermoelectric performance, is generally difficult to measure, and no intrinsic calibration standard exists. Quantum dots and single electron tunneling devices with sharp transmission resonances spaced by many kT have a material-independent Seebeck coefficient that depends only on the ...
Preeti, Mani, Natthapon, Nakpathomkun, Eric A, Hoffmann, Heiner, Linke   +3 more
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Seebeck coefficients in vanadium spinels

Materials Research Bulletin, 1970
Abstract Omission of a negligibly small transport term gives a temperature-independent Seebeck coefficient for polaron charge carriers θ ± = ± 198 log [(N-p)/p], where the polaron concentration p can be determined from chemistry and the concentration N of available polaron sites is model-dependent. The expression contains no adjustable parameters.
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Seebeck coefficient of graded porous composites

Journal of Materials Research, 2013
Abstract
Roland H. Tarkhanyan, Dimitris G. Niarchos   +1 more
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