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optimum seebeck coefficient of silicon carbide

Scitation - About AIP Publishing

About AIP Publishing. AIP Publishing is a wholly owned not-for-profit subsidiary of the American Institute of Physics (AIP). AIP Publishing’s mission is to support the charitable, scientific and eduional purposes of AIP through scholarly publishing activities in the fields of the physical and related sciences on its own behalf, on behalf of Meer Societies of AIP, and on behalf of other

Tuning Thermoelectric Properties of Type I Clathrate …

2017-12-21 · The thermal stability and thermoelectric properties of type I clathrate K8Al8Si38 up to 873 K are reported. K8Al8Si38 possesses a high absolute Seebeck coefficient value and high electrical resistivity in the temperature range of 323 to 873 K, which is consistent with previously reported low temperature thermoelectric properties. Samples with Ba partial substitution at the K guest atom sites

US3256702A - Thermoelectric unit and process of …

Individual thermoelectric elements, such as element 20 of FIGURE 1 produced under identical pressing conditions and by incorporating the above quantities of zirconia and silicon carbide in an identical matrix material when each of the individual thermoelectric elements is equipped with proper leads (elements 21 and 22 of FIGURE 1) to a

Chin. Phys. B

2018-10-17 · Thermoelectric properties such as thermal conductivity, electrical conductivity, Seebeck coefficient, The optimum device can work with a good performance under the

Uranium dioxide - IPFS is the Distributed Web

The Seebeck coefficient of uranium dioxide at room temperature is about 750 µV/K, a value significantly higher than the 270 µV/K of thallium tin telluride (Tl 2 SnTe 5) and thallium germanium telluride (Tl 2 GeTe 5) and of bismuth-tellurium alloys, other materials promising for thermoelectric power generation appliions and Peltier elements.

Nanomaterials Research Lab | Mechanical Engineering

Research Facilities Publiions Awards Meers Contact Research Welcome to the website of Dr. Mujibur Khan''s research group at the Nanomaterials Research Laboratory. Our group is involved in research related to the synthesis and characterization of novel nanoscale functional materials. Our investigations are focused on harnessing the superior physical and transport properties of …

Ansys_Icepak__

2018-6-27 · (ppm/C)16.5 5.5 397 179 230 230 137 748 16.5 23.2 6.7 7 4.8 2-12 5.7 Kovar Copper Aluminum Aluminum silicon carbide (Tx-TR) Thermoelectric Coolers where, V = Seebeck

PSR V14 NO.3 09 Crystal growth and properties of …

2013-10-8 · Crystal Growth and Properties of Manganese-silicon System Compounds by High-temperature Tin Solution Method Takashi Yamasaki*, The optimum conditions for obtaining these crystals with one phase materials and relatively large size were determined. e.g. high Seebeck coefficient, exceeding 200 μV/K at about 700 K, and low

Chin. Phys. Lett.

2019-4-17 · Self-assely of silicon nanowire (SiNW) arrays is studied using SF 6 /O 2 plasma treatment. The electrical conductivity, Seebeck coefficient and power factor of

First-principles simulation on Seebeck coefficient in

First-principles simulation on Seebeck coefficient in silicon nanowires View the table of contents for this issue, or go to the journal homepage for more Home Search Collections Journals About Contact us My IOPscience You may also be interested in: First-principles simulation on Seebeck coefficient in silicon and silicon carbide nanosheets

Accepted Manuscripts | Journal of Heat Transfer | …

The ability of GST to allow ultrafast reversible switch between two phases endows it great potential in practical modulation appliion. By designing silicon carbide nanoholes (NHs) filled with GST, this configuration could achieve a considerable modulation effect and large near-field radiative heat flux.

Materials Research Express, Volume 3, Nuer 3, …

Nuer 3, March 2016. Previous issue Next issue. Buy this issue in print. View all abstracts. Focus Paper. A relatively high Seebeck coefficient Our results give theoretical guidance to understand the underlying thermal transport mechanism in silicon carbide, and may be helpful to design silicon carbide materials for high temperature

Uranium dioxide - Wikipedia

2019-5-4 · Uranium dioxide or uranium(IV) oxide (UO2), also known as urania or uranous oxide, is an oxide of uranium, and is a black, radioactive, crystalline powder that naturally occurs in the mineral uraninite. It is used in nuclear fuel rods in nuclear reactors. A mixture of uranium and plutonium dioxides is used as MOX fuel. Prior to 1960, it was

Papers by Keyword: Silicon Carbide

Dependence of Seebeck coefficient on scale, temperature, and carrier concentration has been demonstrated for silicon and beta silicon carbide nanowire models. Compared with the corresponding bulk models, a significant increase of the absolute value of Seebeck coefficient can be observed owing to quantum confinement by dimensional reduction.

US3256702A - Thermoelectric unit and process of …

Individual thermoelectric elements, such as element 20 of FIGURE 1 produced under identical pressing conditions and by incorporating the above quantities of zirconia and silicon carbide in an identical matrix material when each of the individual thermoelectric elements is equipped with proper leads (elements 21 and 22 of FIGURE 1) to a

Uranium dioxide - Wikipedia

2019-4-26 · The Seebeck coefficient of uranium dioxide at room temperature is about 750 µV/K, a value significantly higher than the 270 µV/K of thallium tin telluride (Tl 2 SnTe 5) and thallium germanium telluride (Tl 2 GeTe 5) and of bismuth-tellurium alloys, other materials promising for thermoelectric power generation appliions and Peltier elements.

Dense disloion arrays eedded in grain …

2015-4-3 · Thermoelectric materials hold the promise of converting waste heat into electricity. The challenge is to develop high-efficiency materials that are not too expensive. Kim et al. suggest a pathway for developing inexpensive thermoelectrics. They show a dramatic improvement of efficiency in bismuth telluride samples by quickly squeezing out excess liquid during compaction.

Preparation of N-type Silicon Carbide-Based …

2003-9-15 · Preparation of N-type Silicon Carbide-Based Thermoelectric Materials by Spark Plasma Sintering 3241 Fig. 5 Temperature dependence of power factor of sintered SiC with dif-ferent concentrations of Si3N4 added initially. Fig. 6 Relationship between thermoelectric properties at 700 C and the concentration of Si3N4 added initially.

Enhanced thermoelectric performance in a metal

2016-5-3 · Enhanced thermoelectric performance in a metal/semiconductor nanocomposite of iron silicide/silicon germanium. reduced the sintering temperature and resulted in smaller thermal conductivity. The optimum material composition of (Si 0 Since the Seebeck coefficient is a strong function of the carrier concentration, 40 the comparison of the

General Disclaimer One or more of the Following …

2013-8-31 · One or more of the Following Statements may affect this Document depends on the figure of merit Z and therefore on the Seebeck coefficient a, electrical conductivity o and thermal conductivity X. If Z = 1 x 10-3, TC = 800K and TH = 1500K, then D = 12.5% whiph Except for silicon carbide…

Boron Carbide: Structure, Properties, and Stability …

ADVANCED MATERIALS IN TECHNOLOGY AND CONSTRUCTION (AMTC-2015): Proceedings of the II All-Russian Scientific Conference of Young Scientists “Advanced Materials in Technology and Construction” Tomsk, Russia 6–9 October 2015 AIP Conference Proceedings 0094-243X 1698 AIP Publishing LLC , (2016).

IEICE Transactions on Electronics - jstage.jst.go.jp

The observed Seebeck coefficient is closed to the theoretical values of electronic part of Seebeck coefficient due to the electronic transport. From the estimation of phonon stering processes, it is found that the phonon-drag contribution to the Seebeck coefficient in co-doped Si wire is mainly governed by the phonon-boundary stering.

Thermoelectric Materials - an overview | ScienceDirect …

Thermoelectric materials are characterized by ZT, that is, they show large Seebeck coefficient, high conductivity, and low thermal conductivity at the same time.Such requirements are difficult to be satisfied, because the three parameters are functions of carrier concentration, which cannot be …

Accepted Manuscripts | Journal of Heat Transfer | …

The ability of GST to allow ultrafast reversible switch between two phases endows it great potential in practical modulation appliion. By designing silicon carbide nanoholes (NHs) filled with GST, this configuration could achieve a considerable modulation effect and large near-field radiative heat flux.

Journal of the European Ceramic Society, • ,

Here, CMC specimens were coated with a silicon bond coat and ytterbium disilie (Yb2Si2O7) (m·K2) along with an electrical resistivity of 8.61 mΩ·cm and a and the

Uranium dioxide

The Seebeck coefficient of uranium dioxide at room temperature is about 750 µV/K, a value significantly higher than the 270 µV/K of thallium tin telluride (Tl 2 SnTe 5) and thallium germanium telluride (Tl 2 GeTe 5) and of bismuth-tellurium alloys, other materials promising for thermopower appliions and Peltier elements.

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