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给出了基于碳纳米管场致发射电子枪的初步研究结果.碳纳米管场致发射试验证明碳纳米管是一种很好的场致发射材料.试验中,在极间场强2.7 MV/m的情况下得到的电流发射密度为0.5 mA/cm2.
基于碳纳米管场致发射的电子枪的初步研究
【摘 要】
：
给出了基于碳纳米管场致发射电子枪的初步研究结果.碳纳米管场致发射试验证明碳纳米管是一种很好的场致发射材料.试验中,在极间场强2.7 MV/m的情况下得到的电流发射密度为0.5
【机 构】
：
中国科学院上海应用物理研究所,中国科学院研究生院
【出 处】
：
高能物理与核物理
【发表日期】
：
2004年期
【基金项目】
：
国家重点基础研究发展计划(973计划);
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