there is no verifiable scientific information available about a material with an atomic number of 140. At that time, the highest known atomic number on the periodic table was for element 118, oganesson (Og).
Regarding the "Betz Sphere," there seems to be some confusion or misinformation, as there is no recognized scientific concept or object known by that name. It's possible that the term you're referring to is not widely known or may be based on speculative or fictional information.
Please note that my information may not be up to date, as i am not an expert. It's always a good idea to consult the latest scientific sources or journals for the most accurate and current information on any specific topic.