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ZEISS ΣIGMA 电镜为肖特基(Schottky)热场发射扫描电镜。目前欧美地区比较推崇热场发射电镜,而日本较热衷于冷场发射电镜。 该场发射扫描电镜主要有如下特点: 1.探针电流较大,可达20nA(100nA可选),可容易进行BSE、EDS、WDS、EBSD、CL等分析。而一般冷场发射 ...
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Jabrill Peppers testifies
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Escaped monkeys captured
Manson won't face charges
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PETA activists arrested
Barred from entering DC
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Target ending its DEI goals
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153 war detainees freed
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Shifts view on COVID origins
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