A comparative study of Spark Plasma Sintering (SPS), Hot Isostatic Pressing (HIP) and microwaves sintering techniques on p-type Bi2Te3 thermoelectric properties |
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| Authors: | G. Delaizir G. Bernard-Granger J. Monnier R. Grodzki O. Kim-Hak P.-D. Szkutnik M. Soulier S. Saunier D. Goeuriot O. Rouleau J. Simon C. Godart C. Navone |
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| Affiliation: | 1. Institut de Chimie et des Matériaux Paris Est (ICMPE-CNRS), UMR 7182, 2 rue Henri Dunant, 94320 Thiais, France;2. Laboratoire des Composants pour la Récupération d’Energie, CEA/LITEN/LCRE, 17 rue des Martyrs, 38054 Grenoble, France;3. Centre Sciences des Matériaux et des Structures, de l’Ecole Nationale des Mines de Saint-Etienne, 158 Cours Fauriel, 42023 Saint-Etienne, France;1. Graduate School of Science and Technology, Shizuoka University, Hamamatsu 432-8011, Japan;2. Research Institute of Electronics, Shizuoka University, Hamamatsu 432-8011, Japan;3. Energy Materials Laboratory, Toyota Technological Institute, Nagoya 468-8511, Japan;4. Department of Physics and Nanotechnology, SRM University, Kattankulathur, Chennai, 603203, Tamilnadu, India;1. Mechanical Engineering School, The University of Adelaide, South Australia, Australia;2. Chemical Engineering School, The University of Adelaide, South Australia, Australia;3. Sheffield Hallam University, Sheffield, England, UK;1. Mechanical and Materials Engineering Department, Wright State University, 3640 Col. Glenn Highway, Dayton, OH 45435, USA;2. Air Force Research Laboratory, Materials and Manufacturing Directorate, WPAFB, OH 45433, USA;1. State Key Laboratory of Electronic Thin Films and Integrated Devices and School of Microelectronics and Solid-State Electronics, University of Electronic Science and Technology of China, Chengdu 610054, PR China;2. Key Laboratory of Renewable Energy and Gas Hydrate, Guangzhou Institute of Energy Conversion, Chinese Academy of Sciences, Guangzhou 510640, PR China |
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| Abstract: | ![]()
The sintering of a synthesized p-type Bi2Te3 nano-powder has been investigated by three different techniques. Sintering techniques such as Hot Isostatic Pressing (HIP), microwave sintering and Spark Plasma Sintering (SPS) also known as electric field-assisted sintering technique (FAST) have been compared in terms of sintering parameters i.e. temperature, pressure, and power, microstructure and thermoelectric properties of the prepared ceramics. This study demonstrates that the highest figure of merit ZT has been obtained using microwaves or SPS techniques. Ceramics observations reveal differences in microstructure as well as the presence of intra-granular precipitates in the pellets sintered by the three techniques. We finally conclude about the relationship between properties and microstructure to get optimum thermoelectric materials. |
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