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热场发射高分辨扫描电镜(SEM)

¥150.00

  • 型号: 德国蔡司SUPRA55
  • 商品库存: 有现货
  • 销量: 2

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热场发射高分辨扫描电镜(SEM)

适用领域

    1) 金属、非金属及复合材料、生物样品表面形貌、组织结构的观察分析及图象处理     2) 纳米材料:纳米粉及纳米粉体的形貌观察和粒度测量分析     3) 微区成分的定性、定量分析,并对重点区域做元素分布图     4) 颗粒样品粒径、面积、周长、圆度的测量,提供粒度分布图,并可对孔径样品做孔径分布直方图、饼图     5) 可对固体材料的表面涂层、镀层进行结合情况观察和厚度测量     6)广泛用于冶金、生物、建筑、机械等行业的材料形貌观察及元素成分分析,如金属、半导体、陶瓷、高分子材料、有机聚合物等。

面向学科

    材料、电子、 生物、机械、 冶金 、化工、化学、食品、医药、建筑等诸多学科

样品要求

    1)粉末、液体、薄膜、块体均可。粉末10mg,块体样品直径≤1cm,厚度<1cm;液态或粘稠样品务必烘干寄样,如电子束照射下流动变形,则无法拍摄;     2) 混凝土,珊瑚沙,气凝胶,水凝胶等需要抽真空时间非常长的样品尺寸请尽可能直径≤5mm,厚度≤5mm;     3)拍摄截面请尽量提前制备截面,软质且较薄的材料可用液氮脆断,硬质材料或厚度大建议直接掰断或敲断即可,液氮脆断不适用;纳米粉末容易团聚,请提前说明是否超声分散;     4)若样品有磁性(含铁/钴/镍/锰元素),务必备注清楚;若隐瞒样品实际信息,导致设备损坏,需承担全部赔偿责任;

收费标准

    1) 非磁性样品:形貌 150元/样;点扫+50元/样;线扫+50元/样;面扫+100元/样;     2) 磁性样品:形貌 160元/样;点扫+80元/样;线扫+100元/样;面扫+150元/样;     3) 喷金制样免费,导电性不好或强磁样品建议选择喷金,如果样品由于您要求不喷金而导致效果不好,测试老师可不安排复测;     4) 液氮脆断 30元/样;     5) 其他请咨询在线客服;

测试仪器

    仪器名称:热场发射高分辨扫描电镜     仪器型号:SUPRA55     仪器厂家:德国蔡司     关键字:热场发射、SEM、形貌、扫描电镜       仪器简要:SUPRATM 55型场发射扫描电镜(FESEM)采用了专利的GEMINI镜筒设计和环形IN-LENS SE 探测    器,具有束流稳定、分辨率高的特点,能同时进行导电样品和非导电样品的高分辨成像及元素成分分析

仪器参数

    1) 电子枪:热场发射型     2) 分辨率(最佳工作距离):0.8 nm@15kV;1.6 nm@1kV     3) 放大倍数:12-1,000,000x     4) 加速电压:0.02-30kV     5) 束流:配置1:4pA-20nA 配置2:12pA-100nA     6) 图像处理:分辨率:最高3072*2304像素,降噪:7种积分和平均模式     7) 样品室:330mm (φ) x 270mm (h)     8) 样品台:5轴电动优中心样品台     9) 探测芯片有效探测面积:10mm2     10) 元素探测范围:Be(4)-Am(95)     11) 探测器能量分辨率:MnKα分辨率实测优于126eV

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