Transport Properties and Thermoelectric Figure of Merit of YBa2Cu3O7–x–Bi0.5Na0.5TiO3 Ceramics

2017 ◽  
Vol 9 (10) ◽  
pp. 1872-1875 ◽  
Author(s):  
Poom Prayoonphokkharat ◽  
Anucha Watcharapasorn
Keyword(s):  
Transport Properties ◽  
Figure Of Merit ◽  
Thermoelectric Figure Of Merit ◽  
Thermoelectric Figure

Thermoelectric Properties of Semiconducting Intermetallic Compounds: FeGa3and RuGa3

2003 ◽  
Vol 793 ◽  
Author(s):  
Y. Amagai ◽  
A. Yamamoto ◽  
C. H. Lee ◽  
H. Takazawa ◽  
T. Noguchi ◽  
...  
Keyword(s):  
Thermal Conductivity ◽  
Electrical Resistivity ◽  
High Temperature ◽  
Seebeck Coefficient ◽  
Transport Properties ◽  
Figure Of Merit ◽  
Room Temperature ◽  
Thermoelectric Figure Of Merit ◽  
Thermoelectric Figure ◽  
High Seebeck Coefficient

ABSTRACTWe report transport properties of polycrystalline TMGa3(TM = Fe and Ru) compounds in the temperature range 313K<T<973K. These compounds exhibit semiconductorlike behavior with relatively high Seebeck coefficient, electrical resistivity, and Hall carrier concentrations at room temperature in the range of 1017- 1018cm−3. Seebeck coefficient measurements reveal that FeGa3isn-type material, while the Seebeck coefficient of RuGa3changes signs rapidly from large positive values to large negative values around 450K. The thermal conductivity of these compounds is estimated to be 3.5Wm−1K−1at room temperature and decreased to 2.5Wm−1K−1for FeGa3and 2.0Wm−1K−1for RuGa3at high temperature. The resulting thermoelectric figure of merit,ZT, at 945K for RuGa3reaches 0.18.

Enhanced thermoelectric transport properties of n-type InSe due to the emergence of the flat band by Si doping

2019 ◽  
Vol 6 (6) ◽  
pp. 1475-1481 ◽  
Author(s):  
Kyu Hyoung Lee ◽  
Min-Wook Oh ◽  
Hyun-Sik Kim ◽  
Weon Ho Shin ◽  
Kimoon Lee ◽  
...  
Keyword(s):  
Transport Properties ◽  
Figure Of Merit ◽  
Flat Band ◽  
Thermoelectric Figure Of Merit ◽  
Thermoelectric Figure ◽  
Thermoelectric Transport ◽  
Si Doping ◽  
Thermoelectric Transport Properties ◽  
Si Doped

An improved thermoelectric figure of merit (zT) of 0.14 at 795 K was obtained in 7% Si doped InSe due to the emergence of the flat band.

Regulation of Ge Vacancies through Sm Doping boosting Superior Thermoelectric Performance in GeTe

2022 ◽  
Author(s):  
Tingdong Zhang ◽  
Shuping Deng ◽  
Xiaodie Zhao ◽  
Xuefeng Ruan ◽  
Ning Qi ◽  
...  
Keyword(s):  
Transport Properties ◽  
Thermal Transport ◽  
Figure Of Merit ◽  
Thermoelectric Performance ◽  
Thermoelectric Figure Of Merit ◽  
Thermoelectric Figure ◽  
Thermal Transport Properties ◽  
P Type

A high thermoelectric figure of merit ZT of 2.5 at 730 K is achieved in p-type Ge1−xSmxTe through synergetic optimization of electrical and thermal transport properties. Sm doping effectively suppresses...

Theoretical and experimental advances in Bi2Te3 / Sb2Te3 - based and related superlattice systems

2013 ◽  
Vol 1490 ◽  
pp. 205-222 ◽  
Author(s):  
M. Winkler ◽  
X. Liu ◽  
U. Schürmann ◽  
J. D. König ◽  
L. Kienle ◽  
...  
Keyword(s):  
Thin Film ◽  
Transport Properties ◽  
Thermoelectric Materials ◽  
Figure Of Merit ◽  
Theoretical Models ◽  
Review Article ◽  
Experimental Results ◽  
Thermoelectric Figure Of Merit ◽  
Thermoelectric Figure ◽  
Nanostructured Thermoelectric Materials

ABSTRACTRoughly a decade ago an outstanding thermoelectric figure of merit ZT of 2.4 was reported for nanostructured Bi2Te3/Sb2Te3-based thin film superlattice (SL) structures. The published results strongly fueled and renewed the interest in the development of efficient novel nanostructured thermoelectric materials. This review article shall give an overview over the most recent theoretical and experimental advances on Bi2Te3/Sb2Te3 SLs and related superlattice systems. The presented theoretical models are subdivided into electronic and phononic aspects. The experimental results are summarized with regard to the method used. A more detailed elaboration on structural and transport properties is given in the subsequent sections.

Crystal chemistry and thermoelectric transport of layered AM2X2compounds

2018 ◽  
Vol 5 (8) ◽  
pp. 1744-1759 ◽  
Author(s):  
Wanyue Peng ◽  
Sevan Chanakian ◽  
Alexandra Zevalkink
Keyword(s):  
Transport Properties ◽  
Crystal Chemistry ◽  
Figure Of Merit ◽  
Chemical Diversity ◽  
Thermoelectric Figure Of Merit ◽  
Thermoelectric Figure ◽  
Thermoelectric Transport

This review highlights the chemical diversity and transport properties of AM2X2Zintl compounds and strategies to achieve a high thermoelectric figure of merit.

Strain-induced enhancement in the electronic and thermal transport properties of Tin Sulphide bilayer

2021 ◽  
Author(s):  
Shagun Nag ◽  
Ranber Singh ◽  
Ranjan Kumar
Keyword(s):  
Transport Properties ◽  
Electronic Transport ◽  
Thermal Transport ◽  
Figure Of Merit ◽  
Transport Coefficients ◽  
Thermoelectric Performance ◽  
Thermoelectric Figure Of Merit ◽  
Thermoelectric Figure ◽  
Thermal Transport Properties

The enhancement in the thermoelectric figure of merit (ZT) of a material is limited by the interplay of the electronic transport coefficients. Here we report the greatly enhanced thermoelectric performance...

scholarly journals Thermoelectric properties of Ni0.15Co3.85Sb12 and Fe0.2Ni0.15Co3.65Sb12 skutterudites prepared by HPHT method

2017 ◽  
Vol 35 (3) ◽  
pp. 496-500 ◽  
Author(s):  
Lingjiao Kong ◽  
Hongan Ma ◽  
Yuewen Zhang ◽  
Xin Guo ◽  
Bing Sun ◽  
...  
Keyword(s):  
Crystal Structure ◽  
Thermal Conductivity ◽  
High Pressure ◽  
High Temperature ◽  
Transport Properties ◽  
Thermoelectric Properties ◽  
Figure Of Merit ◽  
Thermoelectric Figure Of Merit ◽  
Thermoelectric Figure ◽  
Synthesis Time

AbstractN-type polycrystalline skutterudite compounds Ni0.15Co3.85Sb12 and Fe0.2Ni0.15Co3.65Sb12 with the bcc crystal structure were synthesized by high pressure and high temperature (HPHT) method. The synthesis time was sharply reduced to approximately half an hour. Typical microstructures connected with lattice deformations and dislocations were incorporated in the samples of Ni0.15Co3.85Sb12 and Fe0.2Ni0.15Co3.65Sb12 after HPHT. Electrical and thermal transport properties were meticulously researched in the temperature range of 300 K to 700 K. The Fe0.2Ni0.15Co3.65Sb12 sample shows a lower thermal conductivity than that of Ni0.15Co3.85Sb12. The dimensionless thermoelectric figure-of-merit (zT) reaches the maximal values of 0.52 and 0.35 at 600 K and 700 K respectively, for Ni0.15Co3.85Sb12 and Fe0.2Ni0.15Co3.65Sb12 samples synthesized at 1 GPa.

scholarly journals Measuring thermoelectric transport properties of materials

2015 ◽  
Vol 8 (2) ◽  
pp. 423-435 ◽  
Author(s):  
Kasper A. Borup ◽  
Johannes de Boor ◽  
Heng Wang ◽  
Fivos Drymiotis ◽  
Franck Gascoin ◽  
...  
Keyword(s):  
Transport Properties ◽  
Figure Of Merit ◽  
Thermoelectric Figure Of Merit ◽  
Thermoelectric Figure ◽  
Thermoelectric Transport ◽  
Thermoelectric Transport Properties ◽  
The Common ◽  
Properties Of Materials

In this review we discuss considerations regarding the common techniques used for measuring thermoelectric transport properties necessary for calculating the thermoelectric figure of merit, zT.

Sign in / Sign up

Export Citation Format

Share Document