2024-03-29T08:51:02Z
https://soar-ir.repo.nii.ac.jp/oai
oai:soar-ir.repo.nii.ac.jp:00012325
2022-12-14T04:05:58Z
1221:1222
Field emission properties of cobalt/multiwalled carbon nanotube composite films fabricated by electrodeposition
Arai, Susumu
Miyagawa, Kazuaki
Carbon nanotube
Cobalt
Composite
Electrodeposition
Field emission
Carbon nanotubes (CNT) are promising for use as field emitters. CNT field emitters in which CNTs are attached to a cathode by a metal are highly suitable structures for CNT field emitters. In this study, Co/CNT composite films were fabricated by composite plating for use as field emitters. Four types of multiwalled CNTs (MWCNTs) with different sizes were used as CNT field emitters. The microstructures, electrical conductivity, and field emission properties of the composite films were evaluated. Co/MWCNT composite films were fabricated with homogeneous distributions of relatively large MWCNTs, whereas small MWCNTs tended to form aggregates in the films. The Co/MWCNT composite films, which had lower electrical conductivities than pure cobalt film, exhibited clear field emission. The Co/MWCNT composite films had field emission electric fields in the range of 1.6-1.9 V mu m(-1) at an emission current density of 10 nAcm(-2).
Article
APPLIED SURFACE SCIENCE. 280:957-961 (2013)
journal article
ELSEVIER SCIENCE BV
2013-09
application/pdf
APPLIED SURFACE SCIENCE
280
957
961
0169-4332
AA10503400
https://soar-ir.repo.nii.ac.jp/record/12325/files/Field-emission_propertie_cobalt.pdf
eng
10.1016/j.apsusc.2013.05.117
https://doi.org/10.1016/j.apsusc.2013.05.117
Copyright© 2013 Elsevier B.V.