Please use this identifier to cite or link to this item:
|Title:||Field-emission properties of ultrathin 5 nm tungsten nanowire|
|Source:||Yeong, K.S., Thong, J.T.L. (2006). Field-emission properties of ultrathin 5 nm tungsten nanowire. Journal of Applied Physics 100 (11) : -. ScholarBank@NUS Repository. https://doi.org/10.1063/1.2400722|
|Abstract:||We report the field-emission properties of ultrathin tungsten nanowires of 5 nm diameter and several hundred nanometer length. Fowler-Nordheim plots of field-emission current-voltage measurements of such nanowires show marked deviation from linearity. After flashing, cold-field-emission current stability with standard deviation of better than 1% has been observed for periods of at least 30 min at a vacuum level of 10-9 mbar. Beyond this, field-emission current noise was found to mainly comprise current step jumps and current spikes. At high emission current densities in the order of 106 A cm-2, the noise changes into flicker noise. Field emission at high current density induced surface diffusion and crystallization of the disordered nanowire tip due to temperature rise at the field-emitting tip. Further increase in the emission current density initiated local arc destruction which caused shortening of the nanowire length. © 2006 American Institute of Physics.|
|Source Title:||Journal of Applied Physics|
|Appears in Collections:||Staff Publications|
Show full item record
Files in This Item:
There are no files associated with this item.
checked on Dec 7, 2017
WEB OF SCIENCETM
checked on Nov 29, 2017
checked on Dec 18, 2017
Items in DSpace are protected by copyright, with all rights reserved, unless otherwise indicated.