Published April 2011 | Version v1
Journal article Metadata-only

Thermoelectric Properties of Te-Doped Ba0.32Co4Sb12−xTexPrepared at HPHT

Creators

  • 1. Faculty of Materials, Optoelectronics and Physics, Xiangtan University, Xiangtan 411105 (China)
  • 2. National Lab of Superhard Materials, Jinlin University, Changchun 130012 (China)

Description

Polycrystalline skutterudites Ba0.32Co4Sb12−xTex (nominally x = 0.1–0.7) are synthesized by the high pressure and high temperature (HPHT) method. The influence of Te substitution on electrical transport properties are investigated in the temperature range of 300–710K. All the samples show n-type conduction. It is found that the presence of Te substantially decreases electrical resistivity without any detrimental effect on the Seebeck coefficients, which improves the power factor. Among all the samples, Ba0.32Co4Sb11.5Te0.5 shows the highest thermoelectric figure of merit of 0.76 at 710 K. (cross-disciplinary physics and related areas of science and technology)

Availability note (English)

Available from http://dx.doi.org/10.1088/0256-307X/28/4/048401

Additional details

Identifiers

DOI
10.1088/0256-307X/28/4/048401;

Publishing Information

Journal Title
Chinese Physics Letters
Journal Volume
28
Journal Issue
4
Journal Page Range
[3 p.]
ISSN
0256-307X
CODEN
CPLEEU

INIS

Country of Publication
China
Country of Input or Organization
International Atomic Energy Agency (IAEA)
INIS RN
45004489
Subject category
S75: CONDENSED MATTER PHYSICS, SUPERCONDUCTIVITY AND SUPERFLUIDITY; S36: MATERIALS SCIENCE;
Descriptors DEI
ANTIMONIDES; BARIUM COMPOUNDS; COBALT TELLURIDES; CONCENTRATION RATIO; DOPED MATERIALS; ELECTRIC CONDUCTIVITY; PERFORMANCE; POLYCRYSTALS; SEEBECK EFFECT; TEMPERATURE DEPENDENCE; THERMOELECTRIC MATERIALS; THERMOELECTRIC PROPERTIES
Descriptors DEC
ALKALINE EARTH METAL COMPOUNDS; ANTIMONY COMPOUNDS; CHALCOGENIDES; COBALT COMPOUNDS; CRYSTALS; DIMENSIONLESS NUMBERS; ELECTRICAL PROPERTIES; MATERIALS; PHYSICAL PROPERTIES; PNICTIDES; TELLURIDES; TELLURIUM COMPOUNDS; TRANSITION ELEMENT COMPOUNDS