Structure and properties of a complex crystal for laser diode frequency doubling: Cadmium mercury thiocyanate

Yuan, Duorong; Xü, Dong; Liu, Mingguo; Fang, Qi; Yu, Wentao; Hou, Wenbo; Bing, Yonghong; Sun, Shiwen; Jiang, Minhua

doi:10.1063/1.118335

Cited by 97 publications

(28 citation statements)

References 3 publications

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“…were studied by several investigators [14][15][16][17][18][19]. The Hard and Soft Acids and Bases concept rationalized that hard cations www.crt-journal.org…”

Section: Infrared and Raman Spectral Analysismentioning

confidence: 99%

Growth and characterization of cadmium magnesium tetra thiocyanate crystals

Gunasekaran¹,

Ponnusamy²

2006

Cryst. Res. Technol.

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“…were studied by several investigators [14][15][16][17][18][19]. The Hard and Soft Acids and Bases concept rationalized that hard cations www.crt-journal.org…”

Section: Infrared and Raman Spectral Analysismentioning

confidence: 99%

Growth and characterization of cadmium magnesium tetra thiocyanate crystals

Gunasekaran¹,

Ponnusamy²

2006

Cryst. Res. Technol.

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“…Cadmium mercury thiocyanate (abbreviated as CMTC) crystal is a high efficient nonlinear optical (NLO) material whose optical properties have been measured by frequency doubling a 809 nm GaAlAs laser diode to output a 404.5 nm light of 1.8mw (YUAN et al (1997)). Unfortunately, however, wide applications of this crystal are largely limited by the difficulty in obtaining large, transparent single crystals.…”

Section: Introductionmentioning

confidence: 99%

Investigation of the Solution Structures and Determination of the Growth Units of Cadmium Mercury Thiocyanate Crystal

Jiang

Xü

Yuan

et al. 2002

Cryst. Res. Technol.

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To get a better understanding of the growth of cadmium mercury thiocyanate (CMTC), a promising nonlinear optical crystal, we have investigated the structures of its growth solutions by using Raman spectra. It has been found that Hg(II) ions coordinate with SCN‐ through S atoms, forming the most stable complex of [Hg(SCN)4]2‐ in the solutions while Cd(II) ions bind to SCN‐ around Hg(II) through the other end N atom. Thereby, taking [Hg(SCN)4]2‐ anions as centers, a network structure of Cd(II)‐N‐C‐S‐Hg(II) is formed in the solutions as in the crystal lattice. It is notably that there are other complexes, mostly the Cd(SCN)n (n < 4) complexes, in the solutions. Therefore, the solution structure of CMTC is complicated, which is believed to contribute greatly to the difficulty of growing large single crystals. Based on the analysis of the solution structures, the reasonable growth units of CMTC are proposed.

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“…Materials with large second-order optical nonlinearities, transparency at all wavelengths involved and stable physicochemical performance are needed in order to realize many of these applications. Recently, the group IIB divalent d 10 ions, Zn 2+ , Cd 2+ , and Hg 2+ complexes have attracted a great deal of attention for their wide transparent band [1][2][3][4][5][6][7][8]. As nonlinear optical materials, their bimetallic thiocyanates, ZnHg(SCN) 4 and CdHg(SCN) 4 (abbreviated as ZMTC, CMTC, respectively) exhibit efficient second-harmonic generation (SHG) at short wavelengths [9][10][11].…”

Section: Introductionmentioning

confidence: 99%