On 04/26/2011 02:49 AM, Lorenzo Paulatto wrote: > Dear Hongsheng Zhao, > there are many ways to saturate the bonds, and not all of them actually > make sense in experimental conditions. The matter is discussed quite in > depth in Phys. Rev. Lett. 101, 096402 (2008). Thanks a lot for all the helps from here.
Regards. -- Hongsheng Zhao<zhaohscas at yahoo.com.cn> School of Physics and Electrical Information Science, Ningxia University, Yinchuan 750021, China