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Structural evolutio...
Structural evolution and thermoelectric properties of Mg3SbxBi2-x thin films deposited by magnetron sputtering
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- Sadowski, Grzegorz (författare)
- Malmö universitet,Linköpings universitet,Tunnfilmsfysik,Tekniska fakulteten,Malmo Univ, Sweden,Institutionen för materialvetenskap och tillämpad matematik (MTM),Thin Film Physics Division, Department of Physics, Chemistry, and Biology (IFM), Linköping University
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- Shu, Rui (författare)
- Linköpings universitet,Laboratoriet för organisk elektronik,Tekniska fakulteten,Thin Film Physics Division, Department of Physics, Chemistry, and Biology (IFM), Linköping University 2 , Linköping SE-581 83, Sweden
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- Le Febvrier, Arnaud (författare)
- Linköpings universitet,Tunnfilmsfysik,Tekniska fakulteten,Thin Film Physics Division, Department of Physics, Chemistry, and Biology (IFM), Linköping University 2 , Linköping SE-581 83, Sweden
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- Han, Zhijia (författare)
- Southern Univ Sci & Technol, Peoples R China,Department of Materials Science and Engineering, Southern University of Science and Technology 3 , Shenzhen, Guangdong 518055, China
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- Music, Denis (författare)
- Malmö universitet,Institutionen för materialvetenskap och tillämpad matematik (MTM),Biofilms Research Center for Biointerfaces,Malmo Univ, Sweden; Malmo Univ, Sweden
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- Liu, Weishu (författare)
- Southern Univ Sci & Technol, Peoples R China; Southern Univ Sci & Technol, Peoples R China,Department of Materials Science and Engineering, Southern University of Science and Technology 3 , Shenzhen, Guangdong 518055, China;Guangdong Provincial Key Laboratory of Functional Oxide Materials and Devices, Southern University of Science and Technology 5 , Shenzhen, Guangdong 518055, China
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- Eklund, Per (författare)
- Linköpings universitet,Tunnfilmsfysik,Tekniska fakulteten,Thin Film Physics Division, Department of Physics, Chemistry, and Biology (IFM), Linköping University 2 , Linköping SE-581 83, Sweden
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(creator_code:org_t)
- A V S AMER INST PHYSICS, 2023
- 2023
- Engelska.
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Ingår i: Journal of Vacuum Science & Technology. A. Vacuum, Surfaces, and Films. - : A V S AMER INST PHYSICS. - 0734-2101 .- 1520-8559. ; 41:4
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Abstract
Ämnesord
Stäng
- Mg3Bi2-based compounds are of great interest for thermoelectric applications near room temperature. Here, undoped p-type Mg3SbxBi2-x thin films were synthesized using magnetron sputtering (three elemental targets in Ar atmosphere) with a growth temperature of 200 ? on three different substrates, namely, Si as well as c- and r-sapphire. The elemental composition was measured with energy-dispersive x-ray spectroscopy and the structure by x-ray diffraction. The electrical resistivity and the Seebeck coefficient were determined under He atmosphere from room temperature to the growth temperature. All samples are crystalline exhibiting the La2O3-type crystal structure (space group P-3m1). The observed thermoelectric response is consistent with a semiconductive behavior. With increasing x, the samples become more electrically resistive due to the increasing bandgap. High Bi content (x < 1) is thus beneficial due to lower resistivity and a higher power factor near room temperature. Thermoelectric thin films synthesized at low temperatures may provide novel pathways to enable flexible devices on polymeric and other heat-sensitive substrates.
Ämnesord
- NATURVETENSKAP -- Kemi -- Oorganisk kemi (hsv//swe)
- NATURAL SCIENCES -- Chemical Sciences -- Inorganic Chemistry (hsv//eng)
- TEKNIK OCH TEKNOLOGIER -- Materialteknik (hsv//swe)
- ENGINEERING AND TECHNOLOGY -- Materials Engineering (hsv//eng)
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