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Role of annealing time on junction depth for high dose phosphorus implants

机译:退火时间对高剂量磷植入物结深的作用

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Twenty-two wafers were implanted with 5/spl times/10/sup 15/ P cm/sup -2/ at 50 keV, one set of 11 with a beam current of 5.0 mA. The remaining 11 with a beam current of 0.5 mA. Wafers of each set were annealed at 800/spl deg/C for 1, 2, 4, 8, 16, 30, 60, 120, and 240 secs. All wafers were evaluated by secondary ion mass spectrometry, transmission electron microscopy, sheet resistivity, thermal wave analysis and tapered groove profilometry. Transient enhanced diffusion was completed during the first 4 to 8 seconds. Loop dislocations were detected after 1 second of anneal, suggesting that transient enhanced diffusion was restricted by the absorption of the free interstitials by the growing loop dislocations.
机译:将二十两种晶片植入5 / SPL时/ 10 / SUP 15 / P CM / SUP -2 /处为50keV,一组11,光束电流为5.0 mA。剩余的11具有0.5 mA的光束电流。每组的晶片在800 / SPL DEG / C中退火1,2,4,8,16,30,60,20和240秒。通过二次离子质谱,透射电子显微镜,薄层电阻率,热波分析和锥形槽轮廓测定所有晶片。在前4到8秒内完成瞬态增强扩散。在退火1秒后检测到环脱位,表明瞬态增强扩散受到不断增长的环脱位的自由间质性的影响。

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