Quantum dot piezoelectric energy search http://ieeexplore.ieee.org/search/searchresult.jsp?queryText=Quantum%20Dots%20%20piezioelectric%20energy&newsearch=true ;;xxxxx xxxxx xxxxx Highly tensile-strained Ge quantum dots on GaSb by MBE for light sources on Si Thought...whomever can produce Sb Antimony synthesized will have a gold mine out right imo!