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掺有碳(C)的α-Al_2O_3TL(热释光)发光体(α-Al_2O_3∶C)是在强烈的还原反应下产生的:二价阳离子C取代了氧化物中三价阴离子Al的晶格位置形成俘获中心.被切割成直径5mm、厚度1mm的圆片状阴离子——缺陷α-Al_2O_3∶C单晶探测器,其TL发射谱的极大值在420nm处,发光曲线呈单峰,峰值在460K(升温速率为4.3K·s~-1),半高宽(FWHM)约为60K,比LiF∶Mg,Ti磷光体的FWHM稍宽,但剂量学温度比后者低45K,且二者的终止温度相同.故用积分法测量TL时,α-Al_2O_3∶C比其它材料更快更简便.
The α-Al_2O_3TL (thermoluminescent) luminophore (α-Al_2O_3:C) doped with carbon (C) is produced under a strong reduction reaction: the divalent cation C replaces the lattice of the trivalent anions Al in the oxide Position formed capture center was cut into 5mm in diameter, the thickness of 1mm wafer-shaped anion-defect α-Al_2O_3: C single crystal detector, the maximum TL emission spectrum at 420nm, the luminescence curve was single peak, peak The FWHM is about 60 K at 460 K (heating rate of 4.3 K · s -1), which is slightly wider than FWHM of LiF: Mg and Ti phosphors, but the temperature of dosimetry is 45 K lower than that of the latter The termination temperature of the same, so the integral method of measuring TL, α-Al_2O_3:C faster and easier than other materials.