p-type thermoelectric properties
Thermoelectric Properties of InxFeCo3Sb12 Consisting Mainly of In Filled p Type Skutterudites
... sition metal element (Co, Fe, Ir) and a pnictogen element (P, As, Sb). The crystal structure of the skutterudite is charac- terized by two cage-like vacant sites in a unit cell where ad- ditional elements are ...
5
Thermoelectric performance of tellurium reduced quaternary p type lead chalcogenide composites
... are investigated in the 300–850 K temperature range and the maximum zT achieved at 800 K is 0.75 with a predicted zT ∼ 0.85 at 750 K from single parabolic band model. The microstructure of the sintered samples was ...
8
Microstructure and Thermoelectric Properties of Hot Pressed p Type Bi0 5Sb1 5Te3 Alloys Prepared by Rapid Solidification Technique
... mechanical strength and low thermal conductivity, these hot- pressed materials have a lower figure of merit (Z) than unidirectional solidified materials. This is due to the low carrier mobility resulting in high electrical ...
5
Electronic Structures and Thermoelectric Properties of Sb Doped Type VIII Clathrate Ba8Ga16Sn30
... In addition to the study of ternary compound systems, carrier tuning was attempted by doping the fourth element. In particular, Al- and Cu-doped n-type BGS-VIII samples show high ZT values. 7,8) On the other hand, ...
5
Low cost and sustainable organic thermoelectrics based on low dimensional molecular metals
... thermal properties described ...high-performing p- and n- type organic conductors facilitates the construction of all-organic thermoelectric ...
14
Large scale surfactant free synthesis of p type SnTe nanoparticles for thermoelectric applications
... the thermoelectric performance of SnTe nanomaterials synthesised by solution methods ...the properties of the telluride, it is important to develop new solution approaches to SnTe nanostructures and to ...
14
Thermoelectric Properties of Hot Pressed Bi Doped n Type Polycrystalline SnSe
... ductivity (κ) of polycrystalline SnSe:Bi 6% and SnSe:Bi 8% samples along both directions, which exhibited higher power factors. The lowest thermal conductivity of 0.544 W/m K is obtained along the // direction at 723 K ...
7
Thermoelectric Properties of Cr1 xWxSi2
... Figure 3 shows the W composition dependence of the car- rier concentrations and Hall mobilities. The Hall effect mea- surements showed p-type conduction for all samples. Despite the congener substitution, ...
7
Thermoelectric Properties of Bismuth and Silicon Nanowires
... There are multiple ways to prepare Si NWs, including materials methods for bulk production. We wanted Si NWs in which the dimensions, impurity doping levels, crystallographic nature, etc., were all quantifiable and ...
91
Role of Nanoscale Precipitates for Enhancement of Thermoelectric Properties of Heavily P Doped Si Ge Alloys
... Figure 2(a) and 2(b) show the temperature dependences of S and σ, respectively. As expected, all samples exhibited nega- tive S over the entire temperature range, indicating n-type conduction, meaning that ...
6
EFFECT OF ALUMINUM SUBSTITUTION IN NICKEL FERRITE NANOPARTICLES ON THERMOELECTRIC PROPERTIES
... synthesized by sol-gel auto combustion technique using high purity nitrates. Electrical transport properties of aluminum substituted nickel ferrite been investigated from room temperature to well beyond the Curie ...
5
Thermoelectric Properties of ZnO P2O5/(Ni) Composites
... data are also reported and the percolating behavior is confirmed with theses measurement. The conduction thre- shold is almost the same as the one obtained with conductivity. Moreover, the Seebeck coefficient (S) changes ...
10
Thermoelectric Properties of Bismuth Antimony Telluride Alloys
... The thermoelectric module can absorb heat from one side (and dissipate the heat at another side) due to a thermoelectric phenomenon called Peltier ...and p-type thermoelectric elements ...
139
Thermoelectric performance of electrophoretically deposited p type Bi2Te3 film
... thermoelectric properties of the deposited films, an MMR Seebeck Measurement System (SB1000 and K2000) has been used to measure the in-plane Seebeck coefficient of the films, at a temperature range of ...
15
Thermoelectric Properties of p Type Fe0 9Mn0 1Si2 with Rare Earth Oxide Addition
... as Seebeck coefficient and electrical resistivity, the doping of various elements, Co, 3–9) Cr, 8) Ni, 8,9) Mn, 8,10–12) Al, 3,4,6,12) Cu, 13) B, 14) Nb, 15) Zr, 16) or P, 17) etc., has been attempted during sample ...
5
Thermoelectric Properties of P Type Heusler Compounds (Fe2 xCox)(V1 yTiy)Al
... the p-type materials, namely both a small DOS and a large value of @NðEÞ=@E at the Fermi level are ...good thermoelectric behavior. In this study, p-type (Fe 2x Co x ...
5
Correlation between Thermoelectric Properties and Plastic Deformation of p Type Bi0 5Sb1 5Te3 Thermoelectric Materials
... plane. Thermoelectric properties change depending on not the plastic deformation ratio but the kind of plastic deformation ...the thermoelectric properties of p-type Bi 0:5 Sb ...
5
Electrophoretic Deposition of p Type Bi2Te3 for Thermoelectric Applications
... of 100 V (a) and 50 V (b) for 10 minutes. It shows that by decreasing the voltage, the roughness of the surface decreases. However, in principal, this can lead to a reduction in the mechanical properties as well ...
5
The Structure and Thermoelectric Properties of Tungsten Bronze Ba6Ti2Nb8O30
... conditions led to a higher concentration of oxygen vacancies (Fig. 8) and increased carrier concentration [Eq. (1)]. In addition, the reduction in the c lattice parameter is expected to encourage the orbital overlap, ...
13
Tuning the thermoelectric properties of metallo porphyrins
... , which would alter the binding energy and electronic coupling to molecular anchor groups. It is well established that both molecules and electrodes should be treated in an holistic manner when designing single-molecule ...
7