@article{e1a6159e7e644063935107959b0cd380,
title = "Reduction in electrical resistivity of bismuth selenide single crystal via Sn and Te co-doping",
abstract = "The structural and thermoelectric transport properties of melt-grown Bi2Se3 single crystals are systematically investigated with the co-doping of Sn and Te in the temperature range 10–400 K. The powder X-ray diffraction and high-resolution X-ray diffraction studies confirm the hexagonal crystal structure with R 3‾ m space group. Images of the field emission scanning electron microscopy have shown crack-free smooth surface morphological features. Energy dispersive analysis of X-ray authorizes the chemical composition of elements in the samples. The degenerate semiconducting nature is observed in the entire series of samples with 6.8 times reduction in electrical resistivity for (Bi0.96Sn0.04)2Se2.7Te0.3 compared to the pristine Bi2Se3. The maximum ZT value of ∼0.32 is obtained for Bi2Se2.7Te0.3 single crystal at 400 K, about 7.4 times larger than that of Bi2Se3.",
author = "Hegde, \{Ganesh Shridhar\} and Prabhu, \{A. N.\} and Yang, \{C. F.\} and Kuo, \{Y. K.\}",
note = "Funding Information: This research work has been carried out under the financial support provided by UGC-DAE, Mumbai, Project Grant No. UDCSR/MUM/AO/CRS-M-314/2020/812 and The Ministry of Science and Technology of Taiwan under Grant No. MOST-109-2112-M-259-007-MY3.“Ganesh Shridhar Hegde (GSH) would like to acknowledge the Manipal Academy of Higher Education for providing financial support from Dr. T. M. A.'s doctoral fellowship. GSH would like to thank Mr. Manoj S.P, Mr. Ganesh Krishna for their co-operation. The authors want to express their gratitude towards UGC DAE personnel Dr. V. Raghavendra Reddy for providing the HRXRD facility. ANP is thankful for the financial support provided by UGC-DAE, Mumbai, under the project grant of UDCSR/MUM/AO/CRS-M-314/2020/812. The Ministry of Science and Technology of Taiwan supported the electrical and thermal transport measurements under Grant No. MOST-109-2112-M-259-007-MY3 (YKK).” Funding Information: “Ganesh Shridhar Hegde (GSH) would like to acknowledge the Manipal Academy of Higher Education for providing financial support from Dr. T. M. A.'s doctoral fellowship. GSH would like to thank Mr. Manoj S.P, Mr. Ganesh Krishna for their co-operation. The authors want to express their gratitude towards UGC DAE personnel Dr. V. Raghavendra Reddy for providing the HRXRD facility. ANP is thankful for the financial support provided by UGC-DAE, Mumbai, under the project grant of UDCSR/MUM/AO/CRS-M-314/2020/812. The Ministry of Science and Technology of Taiwan supported the electrical and thermal transport measurements under Grant No. MOST-109-2112-M-259-007-MY3 (YKK) .” Funding Information: This research work has been carried out under the financial support provided by UGC-DAE, Mumbai , Project Grant No. UDCSR/MUM/AO/CRS-M-314/2020/812 and The Ministry of Science and Technology of Taiwan under Grant No. MOST-109-2112-M-259-007-MY3 . Publisher Copyright: {\textcopyright} 2021 Elsevier B.V.",
year = "2022",
month = feb,
day = "15",
doi = "10.1016/j.matchemphys.2021.125675",
language = "English",
volume = "278",
journal = "Materials Chemistry and Physics",
issn = "0254-0584",
publisher = "Elsevier B.V.",
}