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Sample mounting

STM type

The design of this sample holder is coming from the STM aparatus at the Charles University in Prague.

The sample on this holder is annealed by a molybdenum block containing a heating spiral made of very thin tantalum wire, which allows reaching high temperatures (up to 1100 °C/1400 K) using quite low currents in comparison to the other sample holders (maximum annealing current is 5 A). Therefore, in many cases the spectra can be measured during annealing although the sample is not permanently grounded.

The clamp can be modified according to the sample size and shape and it can be grounded to the base plate if requested. The maximum sample dimensions are 10×10 mm2.

The thermocouple is touching the rear surface of the sample. As it is not spot-welded, the error can be up to 100 K/°C.

Last Updated on Thursday, 25 March 2021 09:19