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나노 구조 물리 연구단
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Temperature dependent field emission behavior of carbon nanotube emitters

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Title
Temperature dependent field emission behavior of carbon nanotube emitters
Author(s)
Seong Chu Lim; Young Chul Choi
Publication Date
2013-12
Journal
PHYSICA E-LOW-DIMENSIONAL SYSTEMS & NANOSTRUCTURES, v.54, no., pp.30 - 33
Publisher
ELSEVIER SCIENCE BV
Abstract
Vertically alignedmulti-walledcarbonnanotubes(MWCNTs)weresynthesizedonNi-coatedSi substratesbythermalchemicalvapordeposition,andthen,the field emissionbehavioroftheMWCNTs wereinvestigatedwithincreasingtemperature.Beforethe field emissionmeasurements,ahighvoltage annealing wascarriedoutfortheemitters,whichresultedintheformationofdefectivelayeratthe emitting tips.Wehaveobservedlargelyincreasedemissioncurrentsandnon-linearFowler–Nordheim (F–N) plotsathightemperatures.Weproposethattheseunusual field emissionbehaviorsareattributed to thedefectivelayersformedonMWCNTtipsbyhighvoltageannealing.
URI
https://pr.ibs.re.kr/handle/8788114/1200
ISSN
1386-9477
Appears in Collections:
Center for Integrated Nanostructure Physics(나노구조물리 연구단) > Journal Papers (저널논문)
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