СИНТЕЗ И ФИЗИКО-ХИМИЧЕСКОЕ ИССЛЕДОВАНИЕ СИСТЕМЫ Bi2Te3-HoTe3
Ключевые слова:
фаза, эвтектика, микротвердость, солидус, ликвидус
Аннотация
Физико-химическое исследование системы Bi2Te3-HoTe3 проводили методами дифференциальнотермического (ДТА), рентгенофазового (РФА), микроструктурного (МСА), анализов, а также путем измерения микротвердости и определения плотности и построена T-x фазовая диаграмма. Установлено, что система Bi2Te3-HoTe3 является частично квазибинарным сечением тройной системы Bi-Ho-Te. В системе происходит эвтектическое равновесие и перитектическое превращение. Твердые растворы на основе Bi2Te3 при комнатной температуре доходят до 6 мол. % HoTe3, а на основе HoTe3 твердые растворы практически не установлены.
Литература
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2. Veis A.N., Lukyanova L.N., Kutasov V.A. The band gap and the type of optical transitions at the interband absorption threshold in solid solutions based on bismuth telluride // Physics of the Solid State. 2012. T. 54. no. 11.P. 1051-1057.
3. Misochko O.V., Melnikov A.A., Chekalin S.V., Bykov A. Yu. Features of coherent phonons of a strong topological insulator Bi2Te3 // JETP Letters. 2015. V. 102. No. 4. P. 262-268.
4.Mamur H., Bhuiyan, M.R.A., Korkmaz F., Nil M. A review on bismuth telluride Bi2Te3 nanostructure for thermoelectric applications // Renew. Sustain. Energy Rev. 2018. V. 82.4159-4169. doi: 10.1016 / j.rser.2017.10.112
5. Lee G.E., Kim I.H., Lim Y.S., Seo W.S., Choi B.J., Hwang C.W. Preparation and thermoelectric properties of doped Bi2Te3-Bi2Se3 solid solutions // J. Electron. Mater. 2014. V. 43. P. 1650-1655.
6.Wu F., Wang W., Hu X., Tang M. 10 90 430.680.790 6.92 - 1170 0.0 100 780.800 6.82 - 1160 Thermoelectric properties of I-Doped n-Type Bi2Te3based material prepared by hydrothermal and subsequent hot pressing // Prog. Nat. Sci. 2017.27.203-207.
7.Liu W.-S., Zhang Q., Lan Y., Chen S., Yan X., Zhang Q., Wang H., Wang D., Chen G., Ren Z. Thermoelectric property studies on Cu- doped n-Type CuxBi2Te2,7Se0,3 nanocomposites // Adv. Energy. Mater. 2011. V.1. P. 577-587.
8. Sie F.R., Kuo C.K., Hwang C.S., Chou Y.W., Yeh C.H., Lin Y.L., Huang J.Y. Thermoelectric performance of n-Type Bi2Te3 / Cu composites fabricated by nanoparticle decoration and spark plasma sintering. // J. Electron. Mater. 2016.45.1927-1934.
9.Han M.-K., Yu B.G., Jin Y., Kim S.J. A Synergistic effect of metal iodide doping on the thermoelectric properties of Bi2Te3 // Inorg. Chem. Front. 2017. V. 4. P. 881–888.
10. Chen S., Cai K.F., Li F.Y., Chen S.Z. The Effect of Cu Addition on the system stability and thermoelectric properties of Bi2Te3 // J. Electron. Mater. 2014. V. 43. P. 1966-1971.
11. Imamuddin M., Dupre A. Thermoelectric properties of p-type Bi2Te3 – Sb2Te3 – Sb2Se3 alloys and n-type Bi2Te3 – Bi2Se3 alloys in the temperature range 300 to 600 K // Phys. Status Solids (A) 1972. V. 10. P. 415-424.
12. Shen S., Zhu W., Deng Y., Zhao H., Peng Y., Wang C. Enhancing thermoelectric properties of Sb2Te3 flexible thin film through microstructure control and crystal preferential orientation engineering // Appl.Surf. Sci. 2017. V. 414. P. 197–204. https://doi.org/10.1016 / j.apsusc.2017.04.074 13. Nikiforov V. N., Morozkin A. V., Irkhin V. Yu. Thermoelectric properties of rare-earth alloys // Physics of metals and material science 2013. V. 114. No. 8. P .711-720.
14. Kudrevatykh NV, Volegov AS Magnetism of rare-earth metals and their intermetallic compounds // Yekaterinburg Publishing house of the Ural University 2015. 196 p.
15. Belov KP Rare-earth magnets and their application. M .: Science. 1980.240 s.
16. Belov KP Rare earth ferromagnets and antiferromagnets / KP Belov, MA Belyanchikova, RZ Levitin et al. Moscow: Nauka. 1965. 256 s.
17. Physicochemical properties of semiconductor substances. Directory. Moscow. Ed. Science. 1979. 339 s.
18. Yarembash E.I., Eliseev A.A. Rare earth metal chalcogenides. Moscow: Nauka, 1975.260 p.
Опубликован
2021-04-15
Как цитировать
Мамедова, Н. 2021. «СИНТЕЗ И ФИЗИКО-ХИМИЧЕСКОЕ ИССЛЕДОВАНИЕ СИСТЕМЫ Bi2Te3-HoTe3 ». EurasianUnionScientists 3 (3(84), 43-47. https://doi.org/10.31618/ESU.2413-9335.2021.3.84.1284.
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Статьи
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