Method for developing rubidium fluoroboric beryllium acid / cesium monocrystal through hydrothermal method
A technology of fluoroboryryllic acid and single crystal, which is applied in the field of optoelectronic materials, can solve problems such as unfavorable application, difficulty in obtaining crystals, and poor crystal quality, and achieve the effects of favorable application, low cost, and simple process
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Embodiment 1
[0025]20 g of broken chips of RBBF obtained by spontaneous crystallization by the molten salt method (which are 10 mm × 20 mm × (2-3) mm RBBF grown by the molten salt method and crushed to particles with a particle size of 2-4 mm) were used as nutrients, placed in In an autoclave with a gold-lined self-tightening seal structure with a reaction chamber size of 24mm×180mm, deionized water (ie, no mineralizer) was added to a fullness of 60%. A gold baffle with openings at the center and edges with a porosity of 7% is placed in the middle and lower part of the gold bushing to separate the raw material dissolution zone in the lower part from the growth zone in the upper part. The c-direction RBBF seed crystal is suspended on the top of the gold bushing, and the seed crystal is processed by molten salt method crystal growth. The gold bushing is then sealed and placed in an autoclave. In order to keep the internal and external pressure balance of the gold bushing, an appropriate am...
experiment example 2
[0027] 250 g of broken chips of RBBF (which are 10 mm × 20 mm × (2-3) mm RBBF grown by the molten salt method and broken into particles with a particle size of 2-4 mm) obtained by spontaneous crystallization by the molten salt method were used as nutrients, placed in The size of the reaction chamber is 42mm×760mm in an autoclave with a self-tightening seal structure with a gold lining, and the H 3 BO 3 58g is used as mineralizer, according to 70% fullness, add deionized water, make the concentration of the deionized aqueous solution of mineralizer be 2.5mol / L, pH value is 4.0. A gold baffle with openings at the center and edges with a porosity of 7% is placed in the middle and lower part of the gold bushing to separate the raw material dissolution zone in the lower part from the growth zone in the upper part. The c-direction RBBF seed crystal is suspended on the top of the gold bushing, and the seed crystal is processed by molten salt method crystal growth. The gold bushin...
experiment example 3
[0029] 300 g of RBBF chips obtained by spontaneous crystallization by the molten salt method (which are 10 mm × 20 mm × (2-3) mm RBBF grown by the molten salt method and broken to a particle size of 2-4 mm) 300 g were used as nutrients, placed in In an autoclave with a self-tightening seal structure with a gold lining and a reaction chamber size of 60mm×1200mm, put KF100g as a mineralizer, and add deionized water at a fullness of 80% to make the mineralizer deionized The concentration of the aqueous solution is 1.1mol / L, and the pH value is 8.2. A gold baffle with holes in the center and edges and a porosity of 10% is placed in the middle and lower part of the gold bushing to separate the raw material dissolution zone in the lower part from the growth zone in the upper part. The c-direction RBBF seed crystal is suspended on the top of the gold bushing, and the seed crystal is processed by molten salt method crystal growth. The gold bushing is then sealed and placed in an aut...
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