Results 201 to 210 of about 9,356,372 (237)
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Paramagnetic Spin Seebeck Effect
Physical Review Letters, 2015We report the observation of the longitudinal spin Seebeck effect in paramagnetic insulators. By using a microscale on-chip local heater, we generate a large thermal gradient confined to the chip surface without a large increase in the total sample temperature. Using this technique at low temperatures (
Stephen M, Wu +2 more
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Physical Review, 1955
The Seebeck effect has been measured from liquid hydrogen temperatures into the intrinsic range for a series of single-crystal silicon samples in which varying concentrations of donor and acceptor atoms have been incorporated. Large values of Seebeck voltage believed to be caused by the type of phonon-electron coupling previously postulated as ...
T. H. Geballe, G. W. Hull
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The Seebeck effect has been measured from liquid hydrogen temperatures into the intrinsic range for a series of single-crystal silicon samples in which varying concentrations of donor and acceptor atoms have been incorporated. Large values of Seebeck voltage believed to be caused by the type of phonon-electron coupling previously postulated as ...
T. H. Geballe, G. W. Hull
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Physical Review, 1954
An apparatus for making measurements of the Seebeck effect between 20\ifmmode^\circ\else\textdegree\fi{}K and 375\ifmmode^\circ\else\textdegree\fi{}K is described.Experimental curves of the Seebeck effect are given for a series of germanium crystals in which various concentrations of acceptor and donor atoms have been incorporated. The Seebeck data are
T. H. Geballe, G. W. Hull
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An apparatus for making measurements of the Seebeck effect between 20\ifmmode^\circ\else\textdegree\fi{}K and 375\ifmmode^\circ\else\textdegree\fi{}K is described.Experimental curves of the Seebeck effect are given for a series of germanium crystals in which various concentrations of acceptor and donor atoms have been incorporated. The Seebeck data are
T. H. Geballe, G. W. Hull
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Seebeck effect in molecular junctions
Journal of Physics: Condensed Matter, 2016Advances in the fabrication and characterization of nanoscale systems presently allow for a better understanding of their thermoelectric properties. As is known, the building blocks of thermoelectricity are the Peltier and Seebeck effects. In the present work we review results of theoretical studies of the Seebeck effect in single-molecule junctions ...
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The ‘Seebeck Effect’ in a Purely Ionic System
Nature, 1956IN a recent discussion of the transducing mechanism responsible for thermal sensibility, it was argued that, if the free nerve-ending and the extracellular fluid surrounding it could be regarded as a thermocouple, a single sensory mechanism could account for the sensations of ‘warm’ and ‘cold’1. A calculation of the potential difference associated with
H J, TYRRELL, D A, TAYLOR, C M, WILLIAMS
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Exciton Seebeck effect in molecular systems
The Journal of Chemical Physics, 2014We investigate the exciton dynamics under temperature difference with the hierarchical equations of motion. Through a nonperturbative simulation of the transient absorption of a heterogeneous trimer model, we show that the temperature difference causes exciton population redistribution and affects the exciton transfer time.
Yun-An, Yan, Shaohong, Cai
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2017
Chapter 18 This chapter discusses the spin Seebeck effect (SSE), which stands for the generation of a spin current, a flow of spinangular momentum, as a result of a temperature gradient in magnetic materials. In spintronics and spin caloritronics, the SSE is of crucial importance because it enables simple and versatile generation of a spin current from
K. Uchida, R. Ramos, E. Saitoh
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Chapter 18 This chapter discusses the spin Seebeck effect (SSE), which stands for the generation of a spin current, a flow of spinangular momentum, as a result of a temperature gradient in magnetic materials. In spintronics and spin caloritronics, the SSE is of crucial importance because it enables simple and versatile generation of a spin current from
K. Uchida, R. Ramos, E. Saitoh
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The effect of the band edges on the Seebeck coefficient
Journal of Physics: Condensed Matter, 2010The classical thermopower formulae generally applied for the calculation of the Seebeck coefficient S are argued to be incomplete. S can be separated into two different contributions, a scattering term, S(0), and a thermodynamic term, ΔS, representing the additional change of the electrochemical potential μ with temperature T caused by 'non-scattering'
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Japanese Journal of Applied Physics, 2015
To explore the thermoelectric transport nature of photo-excited carriers, the electrical conductivity and the Seebeck coefficient are measured under ultraviolet illumination in the wide-gap semiconductor ZnS near room temperature. The conductivity increases linearly as against the photon flux density with little dependence on temperature, indicating ...
Yuuka Shiraishi +3 more
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To explore the thermoelectric transport nature of photo-excited carriers, the electrical conductivity and the Seebeck coefficient are measured under ultraviolet illumination in the wide-gap semiconductor ZnS near room temperature. The conductivity increases linearly as against the photon flux density with little dependence on temperature, indicating ...
Yuuka Shiraishi +3 more
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Seebeck effect in polycrystalline semiconductors
Thin Solid Films, 1982Abstract The paper deals with the interpretation of the Seebeck coefficient measured for a polycrystalline semiconductor. Polycrystalline semiconductors are considered to be composed of grains separated from one another by intergrain domains. An isotype heterojunction with a certain density of interface states is assumed to exist at the grain ...
Jaroslav Jerhot, Jaroslav Vlček
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