SUPERCONDUCTING Bi-Sr-Ca-Cu OXIDE COMPOSITIONS AND PROCESS FOR MANUFACTURE
摘要
<p>Compositions containing a phase having the formula LA2-xNaxCuOz, wherein x is about 0.1 to about 0.3 and z is about 3.8 to about 4.2 are superconducting. Processes for manufacturing such compositions and for using them are disclosed.</p>
