This volume presents critical reviews of the present position and future trends in modern chemical research concerned with chemical structure and bonding. It features concise reports written by the world's renowned experts.

Wen-Dan Cheng, Chen-Sheng Lin, Wei-Long Uhang, Hao Zhang: Structural Designs and Property Characterizations for Second-Harmonic Generation Materials.- Fang Kong, Chuan-Fu Sun, Bing-Ping Yang, Jiang-Gao Mao: Second-order Non-linear Optical Materials based on Metal Iodates, Selenites and Tellurites.- Guo-Fu Wang: Structure, growth, nonlinear optics and laser properties of RX 3 (BO 3 ) 4 (R=Y, Gd, La; X=Al, Sc).-

Chaoyang Tu, Zhaojie Zhu, Zhenyu You, Jianfu Li, Yan Wang, Alain Brenier: The Recent Development of Borate SF-conversion Laser Crystal.- Ning Ye: Structure design and crystal growth of UV nonlinear borate materials.- Yi-Zhi Huang, Li-Ming Wu, Mao-Chun Hong: Cation Effect in Doped BBO and Halogen Anion Effect in Pb 2 B 5 O 9 X (X = I , Br , Cl ).