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|Title:||Electron field emission from magnetic nanomaterial encapsulated multi-walled carbon nanotubes||Authors:||Rakhi, R.B.
|Issue Date:||Jan-2010||Citation:||Rakhi, R.B., Lim, X., Gao, X., Wang, Y., Wee, A.T.S., Sethupathi, K., Ramaprabhu, S., Sow, C.H. (2010-01). Electron field emission from magnetic nanomaterial encapsulated multi-walled carbon nanotubes. Applied Physics A: Materials Science and Processing 98 (1) : 195-202. ScholarBank@NUS Repository. https://doi.org/10.1007/s00339-009-5373-1||Abstract:||The present work describes the field emission characteristics of nanoscale magnetic nanomaterial encapsulated multi-walled carbon nanotubes (MWNTs) fabricated over flexible graphitized carbon cloth. Ni/MWNTs, NiFe/MWNTs and NiFeCo/MWNTs have been synthesized by catalytic chemical vapor decomposition of methane over Mischmetal (Mm)-based AB3 (MmNi3, MmFe 1.5Ni1.5 and MmFeCoNi) alloy hydride catalysts. Metal-encapsulated MWNTs exhibited superior field emission performance than pure MWNT-based field emitters over the same substrate. The results indicate that a Ni-filled MWNT field emitter is a promising material for practical field emission application with a lowest turn-on field of 0.6 V/μm and a high emission current density of 0.3 mA/cm2 at 0.9 V/μm. © 2009 Springer-Verlag.||Source Title:||Applied Physics A: Materials Science and Processing||URI:||http://scholarbank.nus.edu.sg/handle/10635/96408||ISSN:||09478396||DOI:||10.1007/s00339-009-5373-1|
|Appears in Collections:||Staff Publications|
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