Title :
Evidence of new high-pressure silicon phases in Fs-laser induced confined microexplosion
Author :
Rapp, Lutz ; Haberl, B. ; Bradby, J.E. ; Gamaly, E.G. ; Williams, James S. ; Juodkazis, Saulius ; Rode, A.V.
Author_Institution :
Laser Phys. Centre, Australian Nat. Univ., Canberra, ACT, Australia
Abstract :
We report on formation of high-pressure polymorphs of Si in confined microexplosion experiments. The results show that Si has undergone pressure-induced transitions into the realm of the metallic phases conventionally formed above 11 GPa.
Keywords :
elemental semiconductors; explosions; high-pressure solid-state phase transformations; high-speed optical techniques; laser beam effects; silicon; Si; fs-laser induced confined microexplosion; high-pressure polymorphs; high-pressure silicon phases; metallic phases; pressure-induced transitions; Electric breakdown; Lasers; Microscopy; Optical pulses; Silicon; Ultrafast optics;
Conference_Titel :
Lasers and Electro-Optics (CLEO), 2013 Conference on
Conference_Location :
San Jose, CA
