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Liquid-helium stage in a scanning electron microscope

✍ Scribed by P.L. Stöhr; R.P. Huebener

Publisher
Elsevier Science
Year
1979
Tongue
English
Weight
193 KB
Volume
19
Category
Article
ISSN
0011-2275

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✦ Synopsis

A liquid-helium stage to be inserted into a scanning electron microscope (SEM) is described. The sample chamber, which is filled with liquid helium, has a volume of about 8 x 7 x 5 cm 3 Translation of the cooled sample in x, y, and z directions is possible during electron-optical observation. Since mounting the liquid-helium stage to the SEM can be performed in less than 30 min, switching the SEM from regular operation at room temperature to the IovP temperature mode and back is relatively easy. After cooling the system to 4.2 K, a 3 fitre helium reservoir allows experimentation near 4.2 K for about 5 h.

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✍ H.L. Chhatwal; T.R. Goswami 📂 Article 📅 1992 🏛 Elsevier Science 🌐 English ⚖ 124 KB

A simple cryogenic stage (liquid nitrogen cooled) is described for use with a Jeol scanning electron microscope. The installation of the stage within the SEM does not require any modification. The stage is capable of achieving temperatures between 80 and 85 K. Movement of the stage required for scan