化学
Atom(片上系统)
非线性光学
四面体
晶体结构
结晶学
Crystal(编程语言)
非线性系统
激光器
非线性光学
折射率
光学
物理
嵌入式系统
程序设计语言
量子力学
计算机科学
作者
He‐Gen Zheng,Wei‐Lian Tan,Guang‐Hui Jin,Wei Ji,Qiong‐Hua Jin,Xiao‐Ying Huang,Xinquan Xin
标识
DOI:10.1016/s0020-1693(00)00104-3
摘要
Abstract The title compounds [MS4Pd(dppp)] [M=Mo (1), W (2); dppp=Ph2PCH2CH2CH2PPh2] were synthesized for nonlinear optical studies by the reaction of (Et4N)2MS4 (M=Mo, W) and (dppp)PdCl2 in the CH2Cl2CH3CN. Single-crystal X-ray analyses revealed that the two compounds consisted of a distorted tetrahedral MS4 (M=Mo, W) unit with a Pd atom and two S atom bridges. The Pd atom has a cis-quasisquare coordination geometry with two P donors of dppp and two S donors of MS4. The nonlinear optical properties of 1 and 2 were investigated by a Z-scan technique with 7 ns laser pulses at 532 nm. It was observed that the nonlinear absorption for 1 is very small, but it has considerable large nonlinear refractive index; no nonlinear optical behavior was observed for 2, although it shows a similar structure to that of compound 1.
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