Abstract
Very recent observation of superconductivity (arXiv: 1807.08572 ) in both transport (resistance versus temperature) and magnetization (zero field cooled) at around 235 K and above has obviously raised many eyebrows. The experimentalists in particular are more thrilled than the theoreticians. Although the results presented in the paper are clean and both transport and magnetization measurements do approve the observation of superconductivity to some extent (the diamagnetic shielding fraction is low), the problem is to synthesize/fabricate the material. This I called the “goldsmith” job, primarily because one has to deal with gold and silver nano-particle combination/amalgamation/alloying or even who knows the interfacial new phase, which could be superconducting. This short note is written to let the spark continues, and the interesting work of Thapa and Pandey (arXiv: 1807.08572 ) is reproduced independently.
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