New carbon cone nanotip for use in a highly coherent cold field emission electron microscope. Houdellier, F., Masseboeuf, A., Monthioux, M., & Hytch, M. J. Carbon, 50(5):2037–2044, April, 2012. doi abstract bibtex A new cathode for cold-field emission gun using a pyrolytic carbon-cone supported onto a carbon nanotube as the electron emitting tip has been developed. This tip was mounted in a TEM using a FIB based method, and the brightness measured under real operating conditions is five times better than obtained with a standard tungsten tip. Its use overcomes the many technical difficulties which have dogged the use of carbon nanotube-based tips as proposed replacements for tungsten tips. The resulting properties of the final CFEG exhibit a very good energy spread of 0.32 eV, a reduced brightness of 1.6 x 10(9) A m(-2) sr(-1) V-1 and a very good long-term stability with a current damping less than 16% per hour. (C) 2012 Elsevier Ltd. All rights reserved.
@article{houdellier_new_2012,
title = {New carbon cone nanotip for use in a highly coherent cold field emission electron microscope},
volume = {50},
issn = {0008-6223},
doi = {10.1016/j.carbon.2012.01.023},
abstract = {A new cathode for cold-field emission gun using a pyrolytic carbon-cone supported onto a carbon nanotube as the electron emitting tip has been developed. This tip was mounted in a {TEM} using a {FIB} based method, and the brightness measured under real operating conditions is five times better than obtained with a standard tungsten tip. Its use overcomes the many technical difficulties which have dogged the use of carbon nanotube-based tips as proposed replacements for tungsten tips. The resulting properties of the final {CFEG} exhibit a very good energy spread of 0.32 {eV}, a reduced brightness of 1.6 x 10(9) A m(-2) sr(-1) V-1 and a very good long-term stability with a current damping less than 16\% per hour. (C) 2012 Elsevier Ltd. All rights reserved.},
language = {English},
number = {5},
journal = {Carbon},
author = {Houdellier, Florent and Masseboeuf, Aurelien and Monthioux, Marc and Hytch, Martin J.},
month = apr,
year = {2012},
keywords = {behavior, brightness, chemical-vapor-deposition, emitters, nanotubes, pyrolytic carbon},
pages = {2037--2044}
}
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