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中国物理学会期刊

直拉法LiNbO3单晶体中的旋转生长条纹

CSTR: 32037.14.aps.30.1672

ROTATIONAL STRIATIONS IN CZOCHRALSKI-GROWN LiNbO3 SINGLE CRYSTALS

CSTR: 32037.14.aps.30.1672
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  • 使晶体转轴与温场对称轴不一致,则在晶体弯月面内会产生随时间变化的正弦波式的温度分布。建立了晶体转速、温度起伏、表面生长条纹和内部生长条纹间的一一对应关系,从而在晶体中有意识地引入了其周期可以任意调节的旋转生长条纹。

     

    We intentionally render the rotational axis of growing crystal to deviate from the symmetry axis of the temperature field, the temperature fluctuations with sinusoidal form in meniscus are produced. The one-to-one correspondance between speed of crystal revolution temperature fluctuations, surface growth striations and interior growth striations have been demonstrated.

     

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