Structural and thermoelectric properties of Pb4In2.6Bi3.4Se13
Quaternary selenide, Pb4In2.6Bi3.4Se13 (x = 2.4 member of the Pb4(InxBi6-xSe13 solid solution), was synthesized by a solid-state technique, and its structure was determined using powder X-ray diffraction (XRD). Pb4In2.6Bi3.4Se13 crystallizes in the orthorhombic space group Pbam (No. 55) with Z = 4....
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| Veröffentlicht in: | Powder diffraction 2021-09, Vol.36 (3), p.151-158 |
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| description | Quaternary selenide, Pb4In2.6Bi3.4Se13 (x = 2.4 member of the Pb4(InxBi6-xSe13 solid solution), was synthesized by a solid-state technique, and its structure was determined using powder X-ray diffraction (XRD). Pb4In2.6Bi3.4Se13 crystallizes in the orthorhombic space group Pbam (No. 55) with Z = 4. Lattice parameters and calculated density were determined to be a = 22.152(5) Å, b = 27.454(5) Å, and c = 4.1354(6) Å, V = 2515.0(11) Å3, and Dx = 7.490 g cm−3. The structure consists of Z-shaped ribbon units and corner-shared infinite one-dimensional [InSe4]∞ chains running parallel to the c-axis. The chains and ribbons are further connected by Pb atoms to form a three-dimensional network. Pb atoms are situated in the center of bicapped trigonal prisms. The compound exhibits a semiconductor feature. The Seebeck coefficient of Pb4In2.6Bi3.4Se13 was found to be −180 μV K−1 at 295 K and −380 μV K−1 at 600 K. Combining the values of Seebeck coefficient, electrical conductivity, and thermal conductivity yield a figure of merit, ZT, of about 0.175 at 700 K. The powder XRD pattern of Pb4In2.6Bi3.4Se13 was also determined. |
| doi_str_mv | 10.1017/S0885715621000385 |
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A.</creator><creatorcontrib>Wong-Ng, W. ; Guo, J. ; Yan, Y. ; Kaduk, J. A.</creatorcontrib><description>Quaternary selenide, Pb4In2.6Bi3.4Se13 (x = 2.4 member of the Pb4(InxBi6-xSe13 solid solution), was synthesized by a solid-state technique, and its structure was determined using powder X-ray diffraction (XRD). Pb4In2.6Bi3.4Se13 crystallizes in the orthorhombic space group Pbam (No. 55) with Z = 4. Lattice parameters and calculated density were determined to be a = 22.152(5) Å, b = 27.454(5) Å, and c = 4.1354(6) Å, V = 2515.0(11) Å3, and Dx = 7.490 g cm−3. The structure consists of Z-shaped ribbon units and corner-shared infinite one-dimensional [InSe4]∞ chains running parallel to the c-axis. The chains and ribbons are further connected by Pb atoms to form a three-dimensional network. Pb atoms are situated in the center of bicapped trigonal prisms. The compound exhibits a semiconductor feature. The Seebeck coefficient of Pb4In2.6Bi3.4Se13 was found to be −180 μV K−1 at 295 K and −380 μV K−1 at 600 K. Combining the values of Seebeck coefficient, electrical conductivity, and thermal conductivity yield a figure of merit, ZT, of about 0.175 at 700 K. The powder XRD pattern of Pb4In2.6Bi3.4Se13 was also determined.</description><identifier>ISSN: 0885-7156</identifier><identifier>EISSN: 1945-7413</identifier><identifier>DOI: 10.1017/S0885715621000385</identifier><language>eng</language><publisher>New York, USA: Cambridge University Press</publisher><subject>Chains ; Electrical resistivity ; Figure of merit ; Heat conductivity ; Lattice parameters ; Mathematical analysis ; Prisms ; Radiation ; Seebeck effect ; Solid solutions ; Technical Article ; Thermal conductivity ; Thermal energy ; X ray powder diffraction ; X-ray diffraction</subject><ispartof>Powder diffraction, 2021-09, Vol.36 (3), p.151-158</ispartof><rights>Copyright © The Author(s), 2021. 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A.</creatorcontrib><title>Structural and thermoelectric properties of Pb4In2.6Bi3.4Se13</title><title>Powder diffraction</title><addtitle>Powder Diffr</addtitle><description>Quaternary selenide, Pb4In2.6Bi3.4Se13 (x = 2.4 member of the Pb4(InxBi6-xSe13 solid solution), was synthesized by a solid-state technique, and its structure was determined using powder X-ray diffraction (XRD). Pb4In2.6Bi3.4Se13 crystallizes in the orthorhombic space group Pbam (No. 55) with Z = 4. Lattice parameters and calculated density were determined to be a = 22.152(5) Å, b = 27.454(5) Å, and c = 4.1354(6) Å, V = 2515.0(11) Å3, and Dx = 7.490 g cm−3. The structure consists of Z-shaped ribbon units and corner-shared infinite one-dimensional [InSe4]∞ chains running parallel to the c-axis. The chains and ribbons are further connected by Pb atoms to form a three-dimensional network. Pb atoms are situated in the center of bicapped trigonal prisms. The compound exhibits a semiconductor feature. The Seebeck coefficient of Pb4In2.6Bi3.4Se13 was found to be −180 μV K−1 at 295 K and −380 μV K−1 at 600 K. Combining the values of Seebeck coefficient, electrical conductivity, and thermal conductivity yield a figure of merit, ZT, of about 0.175 at 700 K. The powder XRD pattern of Pb4In2.6Bi3.4Se13 was also determined.</description><subject>Chains</subject><subject>Electrical resistivity</subject><subject>Figure of merit</subject><subject>Heat conductivity</subject><subject>Lattice parameters</subject><subject>Mathematical analysis</subject><subject>Prisms</subject><subject>Radiation</subject><subject>Seebeck effect</subject><subject>Solid solutions</subject><subject>Technical Article</subject><subject>Thermal conductivity</subject><subject>Thermal energy</subject><subject>X ray powder diffraction</subject><subject>X-ray diffraction</subject><issn>0885-7156</issn><issn>1945-7413</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>2021</creationdate><recordtype>article</recordtype><sourceid>AFKRA</sourceid><sourceid>BENPR</sourceid><sourceid>CCPQU</sourceid><sourceid>DWQXO</sourceid><recordid>eNplkE1Lw0AYhBdRsFZ_gLeA59R9983uJgcPWvwoFBSi57Af72pK29TN5v-bUMGDpznMw8wwjF0DXwAHfVvzspQapBLAOcdSnrAZVIXMdQF4ymaTnU_-Obvo-w3nAKUUM3ZXpzi4NESzzczeZ-mL4q6jLbkUW5cdYnegmFrqsy5kb7ZY7cVCPbS4KGoCvGRnwWx7uvrVOft4enxfvuTr1-fV8n6dO5A65YqCIRmMo6CFE0KjB6u8sxalKgthvXJSaTKIxhUKA_oA0pI3ppJaVzhnN8fccc_3QH1qNt0Q92NlI6SqFC-50iOFR8qZnY2t_6Q_DHgz_dT8-wl_AE4uWY8</recordid><startdate>202109</startdate><enddate>202109</enddate><creator>Wong-Ng, W.</creator><creator>Guo, J.</creator><creator>Yan, Y.</creator><creator>Kaduk, J. 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A.</au><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>Structural and thermoelectric properties of Pb4In2.6Bi3.4Se13</atitle><jtitle>Powder diffraction</jtitle><addtitle>Powder Diffr</addtitle><date>2021-09</date><risdate>2021</risdate><volume>36</volume><issue>3</issue><spage>151</spage><epage>158</epage><pages>151-158</pages><issn>0885-7156</issn><eissn>1945-7413</eissn><abstract>Quaternary selenide, Pb4In2.6Bi3.4Se13 (x = 2.4 member of the Pb4(InxBi6-xSe13 solid solution), was synthesized by a solid-state technique, and its structure was determined using powder X-ray diffraction (XRD). Pb4In2.6Bi3.4Se13 crystallizes in the orthorhombic space group Pbam (No. 55) with Z = 4. Lattice parameters and calculated density were determined to be a = 22.152(5) Å, b = 27.454(5) Å, and c = 4.1354(6) Å, V = 2515.0(11) Å3, and Dx = 7.490 g cm−3. The structure consists of Z-shaped ribbon units and corner-shared infinite one-dimensional [InSe4]∞ chains running parallel to the c-axis. The chains and ribbons are further connected by Pb atoms to form a three-dimensional network. Pb atoms are situated in the center of bicapped trigonal prisms. The compound exhibits a semiconductor feature. The Seebeck coefficient of Pb4In2.6Bi3.4Se13 was found to be −180 μV K−1 at 295 K and −380 μV K−1 at 600 K. Combining the values of Seebeck coefficient, electrical conductivity, and thermal conductivity yield a figure of merit, ZT, of about 0.175 at 700 K. The powder XRD pattern of Pb4In2.6Bi3.4Se13 was also determined.</abstract><cop>New York, USA</cop><pub>Cambridge University Press</pub><doi>10.1017/S0885715621000385</doi><tpages>8</tpages><orcidid>https://orcid.org/0000-0002-6938-5936</orcidid><orcidid>https://orcid.org/0000-0001-6610-541X</orcidid></addata></record> |
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| subjects | Chains Electrical resistivity Figure of merit Heat conductivity Lattice parameters Mathematical analysis Prisms Radiation Seebeck effect Solid solutions Technical Article Thermal conductivity Thermal energy X ray powder diffraction X-ray diffraction |
| title | Structural and thermoelectric properties of Pb4In2.6Bi3.4Se13 |
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