List of records in nano database



Authors : Horváth,E.;Neumann,P.,L.;Tóth,A.,L.;Horváth,Z.,E.;Bíró,L.,P.
Title : Morphological and electrical study of FIB deposited amorphous W nanowires
JournalName : Microelectronic Engineering
PubDateYear : 2007
PubDateOther :
Volume : 84
Issue :
StartPage : 837
EndPage : 840
Keywords :
Notes :
Abstract : Morphological and electrical measurements were carried out on W nanowires deposited by focused ion beam (FIB) onto the microhotplate of a micropellistor device. The I–V characteristics showed that the deposited W alloy wires have ohmic behaviour. Temperature dependent resistance measurements were carried out in vacuum (in situ in the chamber of the FIB/FESEM) and ex situ in air and in streaming nitrogen in the temperature range of 112–412 C, using the micro-hotplate for temperature control. The first heat-up in vacuum caused a slight decrease of resistance followed by an irreversible, abrupt drop down to 3% of the as-deposited value, this value was kept during cool-down. The ex situ heat-up in air and N2 atmosphere caused increasing resistance at temperatures over the range 300– 350 C, after a similar, slight decrease in the range of 200–300 C, like in the case of vacuum ambient measurements.
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