Process for preparing NbN superconducting material

Details Process for preparing NbN superconducting material Process for preparing NbN superconducting material

1991-07-16

1993-03-16

Langel, Wayne

Chemistry of inorganic compounds

Nitrogen or compound thereof

Binary compound

505 1, 505810, 505815, C01B 2106

Patent

active

051942364

ABSTRACT:
Process for preparing NbN superconducting material, characterized in that a bulk Nb is placed in powder including at least one metal which can be nitriding-burned, and then the powder is heated to be nitriding-burned in pressurized N.sub.2 atmosphere so that the bulk Nb is nitrided by the nitriding-burning of the powder.

REFERENCES:
patent: 3726643 (1973-04-01), Merzhanou et al.
I. P. Borovinskaya et al., "Self-Propagating High-Temperature Synthesis of Titanium Nitrides under High Nitrogen Pressure", Sov. Powder, Metall. & Met. Ceram. (USA), vol. 17, No. 11 (Apr. 1979), pp. 851-853.
William M. Albrecht et al., "Reaction of Nitrogen with Niobium," Report No. BMI-1360, UC-25 Metallurgy and Ceramics (TID-4500, 14th Ed. (published Jul. 6, 1959).
N. Pessall et al., "A Study of Superconductivity in Interstitial Compounds", J. Phys. Chem. Solids, vol. 29, pp. 19-38 (1968).

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