ISSN:
1476-4687
Quelle:
Nature Archives 1869 - 2009
Thema:
Biologie
,
Chemie und Pharmazie
,
Medizin
,
Allgemeine Naturwissenschaft
,
Physik
Notizen:
[Auszug] At low pressures (〈 10~5 torr), previous single collision experiments1'2 indicated that the main negative ion species formed in SF6 by electron collisions were SF6~ and SFg. In addition, the negative ion currents were observed to depend on pressure rather than on the square of the pressure, ...
Materialart:
Digitale Medien
URL:
http://dx.doi.org/10.1038/227702a0
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