Experimental temperature dependences of the enthalpies of R5Ge3 (R=La, Pr, Gd, Dy, Ho, Lu) are used to calculate the melting enthalpies and temperature dependences of the heat capacity for other germanides with this structure.
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References
G. V. Samsonov and V. N. Bondarev, Germanides [in Russian], Metallurgiya, Moscow (1968), p. 220.
“Silicides: fundamentals and applications,” in: Proc. 16th Course Int. School of Solid State Physics (June 5–16, 1999, Erice, Italy), World Scientific, Singapore (2000), p. 377.
Yu. I. Buyanov, T. Ya. Velikanova, P. S. Martsenyuk, et al., Phase Equilibria and Thermodynamics of Phases in Binary Systems of Rare-Earth Metals with Germanium [in Russian], Preprint No. 98-2, Inst. Probl. Materialoved. NAN Ukrainy, Kiev (1998), p. 98.
V. N. Safonov, Heat Capacity of REM Silicides and Germanides with D88 Structure at Low Temperatures [in Russian], Author’s Abstract of PhD Thesis, Sverdlovsk (1984).
N. P. Gorbachuk, A. S. Bolgar, A. V. Blinder, and O. V. Boetskaya, “Enthalpy of lanthanum germanides at 300-2012 K,” Powder Metall. Met. Ceram., 37, No. 5–6, 298–301 (1998).
N. P. Gorbachuk and A. S. Bolgar, “Thermodynamic properties of praseodymium germanides in the range 55–1940 K,” Powder Metall. Met. Ceram., 39, No. 5–6, 262–267 (2000).
N. P. Gorbachuk and A. S. Bolgar, “Thermodynamic properties of gadolinium germanides at 298.15–2155 K,” Powder Metall. Met. Ceram., 38, No. 9–10, 462–465 (1999).
N. P. Gorbachuk and A. S. Bolgar, “Enthalpy research and thermodynamic function calculation for Dy5Ge3, DyGe, and DyGe2 at 298.15–2217 K,” Powder Metall. Met. Ceram., 40, No. 5–6, 262–265 (2001).
N. P. Gorbachuk, V. R. Sidorko, L. M. Kulikov, et al., “High-temperature thermodynamic characteristics of Ho5Ge3,” Powder Metall. Met. Ceram., 46, No. 9–10, 478–472 (2007).
N. P. Gorbachuk and A. S. Bolgar, “Heat capacity and enthalpy of Lu5Ge3 at 57–2355 K,” Powder Metall. Met. Ceram., 40, No. 9–10, 512–515 (2001).
A. I. Kriklya, Thermodynamic Properties of Cerium-Subgroup REM Sulfides [in Russian], Author’s Abstract of PhD Thesis, Kiev (1986), p. 22.
N. P. Gorbachuk, “Thermodynamic properties of Ce5Si3 between 55 and 1806 K,” Powder Metall. Met. Ceram., 47, No. 11–12, 707–711 (2008).
É. E. Vainshtein, M. N. Bril’, I. B. Staryi, et al., “Some results from x-ray diffraction of Ce, Pr, and Sm compounds with silicon, germanium, aluminum, beryllium, and magnesium,” Izv. AN SSSR, Neorg. Mater., 3, No. 4, 644–648 (1967).
A. M. Atoyan, A. F. Barabanov, and L. A. Maksimov, “A note on the theory of aliovalent metals: attenuation of elementary excitation, electron heat capacity,” Fiz. Tverd. Tela, 21, No. 1, 15–22 (1979).
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Translated from Poroshkovaya Metallurgiya, Vol. 49, No. 7–8 (474), pp. 133–137, 2010.
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Gorbachuk, N.P. Melting enthalpies and heat capacities of lower germanides of rare-earth metals. Powder Metall Met Ceram 49, 474–477 (2010). https://doi.org/10.1007/s11106-010-9261-1
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DOI: https://doi.org/10.1007/s11106-010-9261-1