1992
DOI: 10.1016/0040-6090(92)90591-x
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Improved Langmuir probe surface coatings for the Cassini satellite

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Cited by 34 publications
(15 citation statements)
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“…Probes and stubs have a coating of titanium nitride (TiN), applied by TiSurf International, Uppsala, Sweden. The work function of TiN is very homogeneous: about 15 meV variation over the probe surface has been found in the laboratory (Wahlström et al, 1992), enabling electron temperature measurements down to the same range of values (Brace, 1998). In addition, TiN is mechanically robust and chemically inert.…”
Section: Sensorsmentioning
confidence: 96%
“…Probes and stubs have a coating of titanium nitride (TiN), applied by TiSurf International, Uppsala, Sweden. The work function of TiN is very homogeneous: about 15 meV variation over the probe surface has been found in the laboratory (Wahlström et al, 1992), enabling electron temperature measurements down to the same range of values (Brace, 1998). In addition, TiN is mechanically robust and chemically inert.…”
Section: Sensorsmentioning
confidence: 96%
“…The instrument is practically a single electrode (Fig. 2) floating in the plasma (Mott-Smith and Langmuir, 1926;Bettinger and Chen, 1968;Brace, 1998;Wahlströ m et al, 2002;Lebreton et al, 2006). The electrode is biased with voltages in the range À7 V to +7 V and the current flowing through the electrode will be measured as a function of the applied potential.…”
Section: The Lmp Plasma Diagnostic Probementioning
confidence: 98%
“…The work function of the TiN coating is very homogeneous [6] , which is very critical for the low electron temperature measurement. In addition, the TiN coating is chemically inert and has very good mechanical and tribological properties [6] , which are all the important properties for a good performance of the Langmuir probe for a long duration in space. The TiN coating has been successfully used on Langmuir probes on some satellites, such as Demeter [7] , Cassini [8] , Rosetta [9] , Astrid-2 [10] and so on.…”
Section: Sensorsmentioning
confidence: 99%