In our previous experiment on CR-39 detectors,we found out that bulk etch rate of irradiated area is different from unirradiated area.Therefore,the traditional etching model should be revised.In this case,our modification which based on the theoretical studies printing out and the AFM observation was put forward and new etch rate:V′=Vt/Virr was defined.Then,modified track-diameter kinetics was used to clarify AFM analysis.In this research,the key parameters for 100MeV Silicon ion include Vt=4.12μm/h,Virr=2....
【更新日期】
2011-11-04
【分类号】
O572.21
【正文快照】
CR-39即聚双烯丙基二甘醇二碳酸酯,又称为哥伦比亚树脂(Columbia Resin,Nb·39),化学式为(C12H18O7)n,密度1·32 g/cm3,折射率为1·5左右,于1978年B·G·Cartwright等人首次发现[1],是性能优良的固体核径迹探测器(SSNTD,Solid State Nuclear Track Detector)。粒子经过SSNTD时,
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