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用助熔剂法生长出（ＹｂＴｂＢｉ）３Ｆｅ５Ｏ１２块状单晶，测量了该单晶在１．０～１．７μｍ范围的Ｆａｒａｄａｙ旋转谱及透射谱．当温度为１０～８０℃，λ＝１．５５μｍ时，测得该单晶的Ｆａｒａｄａｙ旋转温度系数为２．０×１０－２．（°）·ｍｍ－１·Ｋ－１．所得结果表明：（ＹｂＴｂＢｉ）３Ｆｅ５Ｏ１２单晶既有较大的Ｆａｒａｄａｙ旋转角，又有很小的温度系数
The (YbTbBi) 3Fe5O12 bulk single crystal was grown by flux method. The Faraday rotation spectrum and transmission spectrum of the single crystal in the range of 1.0 ~ 1.7μm were measured. When the temperature is 10 ~ 80 ℃, λ = 1.55μm, the Faraday rotation temperature coefficient of the single crystal is measured as 2.0 × 10-2. (°) · mm-1 · K-1. The results show that: (YbTbBi) 3Fe5O12 single crystal has a larger Faraday rotation angle, but also a small temperature coefficient