Combination of Thermal Analysis and Knudsen Effusion Mass Spectrometry for Study of Metal Materials on Macro- and Nano-scale

• Authors: BROŽ Pavel; SOPOUŠEK Jiří; VŘEŠŤÁL Jan; PINKAS Jiří
• Year of publication: 2012
• Type: Article in Proceedings
• Conference: Workshop on Knudsen Effusion Mass Spectrometry (April 23-25, 2012)
• MU Faculty or unit: Faculty of Science
• Doi: http://dx.doi.org/10.1149/04601.0069ecst
• Field: Physical chemistry and theoretical chemistry
• Keywords: thermal analysis; Knudsen effusion mass spectrometry; metal materials; macro; nano
• Description: Study of metal materials could not be possible without the use of sophisticated techniques often enabling us to do precise experiments of various types by means of multifunction equipments. One of them is apparatus combining thermal analysis (TA) with Knudsen effusion mass spectrometry (KEMS). In Netzsch STA 409 CD/3/403/5/G apparatus, a specially-adapted type of the commercial STA 409 CD – QMS 403/5 Skimmer Coupling Instrument, the holder for differential scanning calorimetry (DSC) or differential thermal analysis (DTA) can be replaced by another one with alumina Knudsen cell for vapour pressure measurement of activities of components. The instrument capabilities are demonstrated on several examples of TA and effusion measurements of bulk metal materials and nano-powders.

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