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Adv Mater. 2016 Jul;28(28):5886-90. doi: 10.1002/adma.201600895. Epub 2016 May 09.

Molecular Dynamics of Flexible Polar Cations in a Variable Confined Space: Toward Exceptional Two-Step Nonlinear Optical Switches.

Advanced materials (Deerfield Beach, Fla.)

Wei-Jian Xu, Chun-Ting He, Cheng-Min Ji, Shao-Li Chen, Rui-Kang Huang, Rui-Biao Lin, Wei Xue, Jun-Hua Luo, Wei-Xiong Zhang, Xiao-Ming Chen

Affiliations

  1. MOE Key Laboratory of Bioinorganic and Synthetic Chemistry, School of Chemistry and Chemical Engineering, Sun Yat-Sen University, Guangzhou, 510275, P. R. China.
  2. Key Laboratory of Optoelectronic Materials Chemistry and Physics, Fujian Institute of Research on the Structure of Matter, Chinese Academy of Sciences, Fuzhou, 350002, P. R. China.

PMID: 27159779 DOI: 10.1002/adma.201600895

Abstract

The changeable molecular dynamics of flexible polar cations in the variable confined space between inorganic chains brings about a new type of two-step nonlinear optical (NLO) switch with genuine "off-on-off" second harmonic generation (SHG) conversion between one NLO-active state and two NLO-inactive states.

© 2016 WILEY-VCH Verlag GmbH & Co. KGaA, Weinheim.

Keywords: ferroelectrics; flexible polar cations; molecular dynamics; nonlinear optical switches; phase transitions

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