Conclusions
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1.
The phase composition, structure, and Tk of the alloys V3.04(Ge1−xFex)0.96 with x =0, 0.1, 0.2, 0.3 are investigated.
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2.
It is shown that solid solutions with the preferred displacement of the V atoms by the Fe atoms are formed after smelting, while the iron atoms are localized in the germanium sublattice after annealing at 800°C.
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3.
The hypothesis about tetragonal distortion of the V3.04Ge0.96 lattice after the insertion of iron is expressed.
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4.
The hypothesis about the governing role of chains of transition-metal atoms in the formation of Tk is confirmed.
Literature cited
M. K. Borzhitskaya, V. L. Zagryazhskii, V. I. Surikov, and A. K. Shtol'ts, in: Physical Properties of Metals and Alloys [in Russian], No. 186, Trudy S. M. Kirov Ural. Polytekh. Inst., Sverdlovsk (1970), pp. 207–209.
G. N. Sozontova, A. K. Shtol'ts, P. V. Gel'd, and A. I. Medvedev, Izv. Akad. Nauk SSSR, Met., No. 2, 142 (1978).
G. R. Johnson and D. H. Douglass, J. Low Temp. Phys.,14, 565 (1974).
Yu. A. Izyumov, Fiz. Met. Metalloved.,35, 687 (1973).
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Translated from Izvestiya Vysshikh Uchebnykh Zavedenii, Fizika, No. 9, pp. 142–144, September, 1978.
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Vorob'eva, G.N., Shtol'ts, A.K., Krychkovskii, G.I. et al. Structure and temperature of the superconducting transition of the V3(Fe, Ge) alloys. Soviet Physics Journal 21, 1228–1230 (1978). https://doi.org/10.1007/BF00894585
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DOI: https://doi.org/10.1007/BF00894585