Tawagar bincike da ta hada da dalibin Ph.D Kento Katairi da Mataimakin Farfesa Masayoshi Ozaki na Makarantar Graduate of Engineering, Jami'ar Osaka, Japan, da Farfesa Toruo Iriya daga Cibiyar Bincike na Deep Earth Dynamics na Jami'ar Ehime, da sauransu, sun yi karin haske kan batun. Ƙarfin lu'u-lu'u nano-polycrystalline yayin babban nakasawa.

Tawagar binciken ta yi amfani da crystallites tare da matsakaicin girman dubun nanometers don samar da lu'u-lu'u a cikin yanayin "nanopolycrystalline", sannan kuma sun matsa masa matsananciyar matsa lamba don bincika ƙarfinsa.An gudanar da gwajin ne ta hanyar amfani da Laser XII Laser tare da mafi girman ƙarfin fitarwar bugun jini a Japan.Bincike ya gano cewa lokacin da aka yi amfani da matsakaicin matsa lamba na yanayi miliyan 16 (fiye da sau 4 na matsa lamba na tsakiyar duniya), adadin lu'u-lu'u yana raguwa zuwa ƙasa da rabin girmansa.

Bayanan gwaji da aka samu a wannan lokacin sun nuna cewa ƙarfin nano-polycrystalline lu'u-lu'u (NPD) ya ninka fiye da sau biyu na lu'u-lu'u na lu'u-lu'u na yau da kullum.An kuma gano cewa NPD yana da ƙarfi mafi girma a cikin duk kayan da aka bincika ya zuwa yanzu.