Results 11 to 20 of about 15,243 (240)

Intermolecular coupling enhanced thermopower in single-molecule diketopyrrolopyrrole junctions

open access: yesNational Science Open, 2022
Sorting out organic molecules with high thermopower is essential for understanding molecular thermoelectrics. The intermolecular coupling offers a unique chance to enhance the thermopower by tuning the bandgap structure of molecular devices, but the ...
Fang Chao   +16 more
doaj   +1 more source

Thermopower scaling in conducting polymers [PDF]

open access: yesScientific Reports, 2020
AbstractBy directly converting heat into electricity, thermoelectric effects provide a unique physical process from heat waste to energy harvesting. Requiring the highest possible power factor defined as α2σ, with the thermopower α and the electrical conductivity σ, such a technology necessitates the best knowledge of transport phenomena in order to be
Lepinoy, Morgan   +3 more
openaire   +2 more sources

Large Improvement of Thermoelectric Performance by Magnetism in Co‐Based Full‐Heusler Alloys

open access: yesAdvanced Science, 2023
Full‐Heusler alloys (fHAs) exhibit high mechanical strength with earth‐abundant elements, but their metallic properties tend to display small electron diffusion thermopower, limiting potential applications as excellent thermoelectric (TE) materials. Here,
Zhigang Gui   +10 more
doaj   +1 more source

Atomic-scale thermopower in charge density wave states

open access: yesNature Communications, 2022
Microscopic origins of thermopower are investigated to design efficient thermoelectric devices. Here, the authors report thermopower and phonon puddles in the charge density wave states in 1T-TaS2 by scanning thermoelectric microscopy.
Dohyun Kim   +6 more
doaj   +1 more source

Thermopower in Andrew Interferometers [PDF]

open access: yesJournal of Low Temperature Physics, 2004
JLTP style, 33 pages, 10 figures, prepared for the Proceedings of the conference Quantum Phenomena at Low Temperatures, Lammi, Finland, January ...
Virtanen, Pauli, Heikkila, Tero T.
openaire   +2 more sources

Anomalous scaling law for thermoelectric transport of two-dimension-confined electrons in an organic molecular system

open access: yesPhysical Review Research, 2022
Confined electrons in low dimensions host desirable material functions for downscaled electronics as well as advanced energy technologies. Thermoelectricity is a most fascinating example since the dimensionality modifies the electron density of states ...
Naoki Kouda   +3 more
doaj   +1 more source

Photon-Assisted Seebeck Effect in a Quantum Dot Coupled to Majorana Zero Modes

open access: yesFrontiers in Physics, 2021
The Seebeck effect is investigated within the framework of a non-equilibrium Green's function technique in a quantum dot (QD) sandwiched between the left and right leads held at different temperatures. We consider that the QD is shelled by a photon field
Tian-Yu He   +6 more
doaj   +1 more source

Selectively tuning ionic thermopower in all-solid-state flexible polymer composites for thermal sensing

open access: yesNature Communications, 2022
Though high ionic thermopower and p-n conversion has been realized in liquid ionic thermoelectric materials, achieving similar performance in solid-state polymer materials remains a challenge.
Cheng Chi   +13 more
doaj   +1 more source

Metal–Insulator Transition in Doped Barium Plumbates

open access: yesElectronic Materials, 2021
Solid solutions in the Ba(Pb1−xSrx)O3−z system were prepared by aliovalent substitution of Pb4+ by Sr2+ ions to investigate the effect of cation stoichiometry on thermal and electrical properties as x was varied between 0 and 0.4, in the temperature ...
Andreza M. Eufrasio   +5 more
doaj   +1 more source

Excess Thermopower and the Theory of Thermopower Waves

open access: yesACS Nano, 2013
Self-propagating exothermic chemical reactions can generate electrical pulses when guided along a conductive conduit such as a carbon nanotube. However, these thermopower waves are not described by an existing theory to explain the origin of power generation or why its magnitude exceeds the predictions of the Seebeck effect.
Abrahamson, Joel T.   +10 more
openaire   +4 more sources

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