Preparing method for Zr:LiNbO3 crystal
A crystal and rotation speed technology, applied in crystal growth, chemical instruments and methods, single crystal growth, etc., can solve the problems of slow growth of lithium niobate crystals, limited ability to resist light damage, poor crystal quality and easy cracking, etc., to achieve Ease of growth, uniform composition, and improved photorefractive properties
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specific Embodiment approach 1
[0011] Specific implementation mode one: this implementation mode Zr:LiNbO 3 The crystals are made of ZrO with a purity of 99.99% 2 , Nb 2 o 5 and LiCO 3 made; where ZrO 2 The doping amount is ZrO 2 , Nb 2 o 5 and LiCO 3 4% to 6% of the total substance amount, and the molar ratio of Li to Nb is 0.946.
[0012] Zirconium element itself is a four-valent valence-changing element, so zirconium element has little negative impact on the excellent ferroelectric, piezoelectric, photoelectric, nonlinear and photorefractive properties of lithium niobate crystal, which is beneficial to the storage performance of the crystal.
specific Embodiment approach 2
[0013] Specific embodiment two: the difference between this embodiment and specific embodiment one is: ZrO 2 The doping amount is ZrO 2 , Nb 2 o 5 and LiCO 3 4% of the total amount of substance. Others are the same as the first embodiment.
[0014] This embodiment Zr:LiNbO 3 (4mol%Zr:LiNbO 3 ) crystals such as figure 1 As shown, the crystal is LiNbO 3 Crystal natural color, high gloss, uniform composition, no blemishes, no growth streaks and no cracks.
specific Embodiment approach 3
[0015] Specific embodiment three: the difference between this embodiment and specific embodiment one is: ZrO 2 The doping amount is ZrO 2 , Nb 2 o 5 and LiCO 3 5% of the total amount of substance. Others are the same as the first embodiment.
[0016] This embodiment Zr:LiNbO 3 The crystal is 5mol% Zr:LiNbO 3 crystals.
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