Nonlinear optical crystal β-agi3o8 and its preparation and application
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A nonlinear optics, crystal technology, applied in nonlinear optics, optics, crystal growth and other directions, can solve problems that have not been reported in the literature
Active Publication Date: 2018-08-28
FUJIAN INST OF RES ON THE STRUCTURE OF MATTER CHINESE ACAD OF SCI
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Problems solved by technology
Through the systematic exploration of the iodate system, we discovered a new type of ternary iodate nonlinear optical crystal material β-AgI 3 o 8 , related work has not yet been reported in the literature
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Embodiment 1
[0020] Synthesis of β-AgI by Hydrothermal Synthesis 3 o 8 the crystal
[0021] AgNO 3 (0.20mmol, 34.0mg), I 2 o 5 (8.0mmol, 2670.5mg) and H 2 O (2.0mL) was put into a hydrothermal reaction kettle, sealed, and placed in a box-type resistance furnace. After 6 hours, the temperature was raised from 30°C to 210°C, and the constant temperature was reacted for 72 hours, and then dropped to 30°C at a rate of 1.0°C per hour. ℃, filtered and washed to obtain colorless granular β-AgI 3 o 8 crystals (see image 3 ). The obtained crystal is ground into powder, and it is subjected to powder X-ray diffraction test, and the obtained collection of patterns ( figure 2 In b) and the X-ray diffraction pattern obtained by fitting the crystal structure ( figure 2 In a) completely consistent.
Embodiment 2
[0023] Synthesis of β-AgI by Hydrothermal Synthesis 3 o 8 the crystal
[0024] AgIO 3(0.20mmol, 56.7mg), I 2 o 5 (8.0mmol, 2670.5mg) and H 2 O (2.0mL) was put into a hydrothermal reaction kettle, sealed, and placed in a box-type resistance furnace. After 6 hours, the temperature was raised from 30°C to 210°C, and the constant temperature was reacted for 72 hours, and then dropped to 30°C at a rate of 1°C per hour. ℃, filtered and washed to obtain colorless granular β-AgI 3 o 8 crystals.
Embodiment 3
[0026] Synthesis of β-AgI by Hydrothermal Synthesis 3 o 8 the crystal
[0027] AgNO 3 (0.20mmol, 34.0mg), HIO 3 (16.0mmol, 2814.6mg) and H 2 O (2.0mL) was put into a hydrothermal reaction kettle, sealed, and placed in a box-type resistance furnace. After 6 hours, the temperature was raised from 30°C to 210°C, and the constant temperature was reacted for 72 hours, and then dropped to 30°C at a rate of 1°C per hour. ℃, filtered and washed to obtain colorless granular β-AgI 3 o 8 crystals.
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Abstract
The invention relates to a nonlinear optical crystal beta-AgI3O8 and a preparation method thereof. The compound has the chemical formula of AgI3O8 and belongs to the tetragonal crystal system, the space group is represented by a formula shown in a drawing (image file='DDA0000468545370000011.TIF' wi='88' he='75' / ), the crystal cell parameters (a, b and c) are respectively represented by formulae shown in drawings (image file='DDA000046854537000012. TIF' wi='760' he='80' / ) (img file='DDA0000468545370000013.TIF' wi='541' he='72' / ), the crystal cell parameter z is equal to 8, and the crystal cell volume V is represented by a formula shown in a drawing (img file='DDA0000468545370000014. TIF' wi='463' he='72' / ). The colorless granular beta-AgI3O8 crystal is prepared by adopting a hydrothermal method. The powder SHG (Second Harmonic Generation) effect of the beta-AgI3O8 crystal is 8 times that of KDP (KH2PO4).
Description
technical field [0001] The invention relates to a novel nonlinear optical crystal material. Background technique [0002] The nonlinear optical crystal can convert the frequency of the laser, broaden the scope of the laser light source, and expand the application field of the laser. At present, among a large number of nonlinear optical crystals that have been reported, KH 2 PO 4 (KDP), KTiOPO 4 (KTP),β-BaB 2 o 4 (BBO), LiB 3 o 5 (LBO), α-LiIO 3 etc. have achieved industrial production, and have a series of important applications in several military and civilian fields, such as laser weapons, nuclear fusion laser drive, optical communication, optical storage, laser printing, etc. [0003] Iodide is a hot system for exploring new nonlinear optical materials with excellent performance. Simple ternary iodates such as α-HIO 3 ,α-LiIO 3 et al., have been reported in detailed studies as early as twenty years ago. In recent years, the research on iodate has mainly focuse...
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Patent Type & Authority Patents(China)
IPC IPC(8): C30B29/22C30B7/10G02F1/355
Inventor 毛江高徐翔
Owner FUJIAN INST OF RES ON THE STRUCTURE OF MATTER CHINESE ACAD OF SCI
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