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Temperature synthesis of bismuth cuprates
A low temperature aqueous solution preparation under strong alkaline medium is reported for the synthesis of bismuth cuprates. Highly crystalline products were obtained at temperatures around 90 “C. Tetragonal Bi2Cu04 ...
Toughening of thin films by high energy ion beams
Refractory metal films tend to grow with a high degree of intrinsic tensile stress. As the film thickness increases, the integrated stress becomes high enough to cause loss of adhesion. In the present study, when chromium ...