The Commercial Stainless Steel Tube Enveloping Technique for MgB2
Lee, H. B. · Kim, Y. C. · Kim, B. J. · Jeong, D. Y.
Original · EN
A commercial stainless steel tube was employed to synthesize MgB2. The specimen was prepared by a stoichiometric mixture of Mg and B. The specimen that had been enveloped in the commercial stainless steel tube was synthesized for 2 hours at 1193 K. X-ray spectra showed there were no second phases like MgO. The transition temperature of the specimen was 37.5 K with a sharp transition width within 1K. The specimen showed a good connection between grains and critical current density as calculated with the Bean model is more than 100,000 A/cm2 at 20 K and in zero field.
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