An array of Eiffel-tower-shape AlN nanotips and its field emission properties

Yongbing Tang; Hongtao Cong; Zhigang Chen; Huiming Cheng
June 2005
Applied Physics Letters;6/6/2005, Vol. 86 Issue 23, p233104
Academic Journal
An array of Eiffel-tower-shape AlN nanotips has been synthesized and assembled vertically with Si substrate by a chemical vapor deposition method at 700 °C. The single-crystalline AlN nanotips along [001] direction, including sharp tips with 10–100 nm in diameter and submicron-sized bases, are distributed uniformly with density of 106–107 tips/cm2. Field emission (FE) measurements show that its turn on field is 4.7 V/μm, which is comparable to that of carbon nanotubes, and the fluctuation of FE current is as small as 0.74% for 4 h. It is revealed this nanostructure is available to optimize the FE properties and make the array a promising field emitter.


Related Articles

  • Fabrication of screen-printed field electron emitter using length-controlled and purification-free carbon nanotubes. Yoshihara, Kumiko; Fujii, Shunjiro; Kawai, Hideyasu; Ishida, Kazuhiro; Honda, Shin-ichi; Katayama, Mitsuhiro; Oura, Kenjiro // Applied Physics Letters;9/10/2007, Vol. 91 Issue 11, p113109 

    The authors fabricated a screen-printed field electron emitter using purification-free and length-controlled carbon nanotubes (CNTs). They used vertically aligned CNTs grown on Si substrates by thermal chemical vapor deposition as the source material for fabricating CNT paste. The length of CNTs...

  • Electron emission from Spindt-like carbon nanotubes field emission cathodes (FECs). CZERWOSZ, ELZBIETA; KOWALSKA, EWA; KOZLOWSKI, MIROSLAW; RYMARCZYK, JOANNA // Optica Applicata;2011, Vol. 41 Issue 2, p289 

    We present field emission characteristics from Spindt-like carbon nanotubes (CNT) films obtained in a two steps method. The two steps method was elaborated in Tele & Radio Research Institute (Poland) and it consists of two independent processes: first, the physical vapour deposition (PVD)...

  • Controlling growth and field emission properties of silicon nanotube arrays by multistep template replication and chemical vapor deposition. Cheng Mu; Yuxiang Yu; Wei Liao; Xinsheng Zhao; Dongsheng Xu; Xihong Chen; Dapeng Yu // Applied Physics Letters;9/12/2005, Vol. 87 Issue 11, p113104 

    A multistep template replication route was employed to fabricate highly ordered silicon nanotube (SiNT) arrays, in which annular nanochannel membranes were produced first, and then silicon was deposited into the annular nanochannels by pyrolytic decomposition of silane. Electron microscopy...

  • Growth of Aligned Multiwall Carbon Nanotubes and the Effect of Adsorbates on the Field Emission Properties. Milne, W. I.; Teo, K. B. K.; Lansley, S. B.; Chhowalla, M.; Amaratunga, G. A. J.; Semet, V.; Binh, Vu Thien; Pirio, G.; Legagneux, P. // AIP Conference Proceedings;2003, Vol. 685 Issue 1, p605 

    In attempt to decipher the field emission characteristics of multiwall carbon nanotubes (MWCNTs), we have developed a fabrication method based on plasma enhanced chemical vapour deposition (PECVD) to provide utmost control of the nanotube structure such as their alignment, individual position,...

  • Integrally gated carbon nanotube-on-post field emitter arrays. Hsu, David S. Y.; Shaw, Jonathan // Applied Physics Letters;1/7/2002, Vol. 80 Issue 1, p118 

    Multiwalled carbon nanotubes were grown using chemical vapor deposition on the tops of blunt vertical silicon posts in cells having a horizontal gate aperture of conventional field emitter design. We obtained over 1 mA total emission current from a single array, or 0.3 µA per cell at 40 V. In...

  • Carbon nanotube/nanodiamond structures: An innovative concept for stable and ready-to-start electron emitters. Guglielmotti, V.; Chieppa, S.; Orlanducci, S.; Tamburri, E.; Toschi, F.; Terranova, M. L.; Rossi, M. // Applied Physics Letters;11/30/2009, Vol. 95 Issue 22, p222113 

    Efficient and robust cold cathodes have been assembled using as emitting material mats of single wall carbon nanotubes (SWCNTs) coated with nanodiamonds. The preparation of the hybrid nanotube/nanodiamond structures by chemical vapor deposition is a route suitable to be scaled up and adapted to...

  • Characterization and Field Emission Studies of Uniformly Distributed Multi-Walled Carbon Nanotubes (MWCNTs) Film Grown by Low-pressure Chemical Vapour Deposition (LPCVD). Ali, Javid; Kumar, Avshish; Husain, Samina; Kumari, Monika; Harsh; Husain, Mushahid // Current Nanoscience;Jun2011, Vol. 7 Issue 3, p333 

    Carbon nanotubes are synthesized by Low Pressure Chemical Vapor Deposition (LPCVD) system using NH3: C2H2:H2 gas mixtures on iron coated silicon substrate. The iron catalyst was coated on silicon using RF-sputtering method. The growth temperature was kept at 600 °C and growth time was 10...

  • Investigations of electron emission from DLC thin films deposited by means of RF PCVD at various self-bias voltages. Jarzyńska, Dagmara; Znamirowski, Zbigniew; Cłapa, Marian; Staryga, Elżbieta // Journal of Telecommunications & Information Technology;2007, Vol. 2007 Issue 3, p39 

    The aim of this paper is to report the results of field emission experiments on undoped, flat diamond-like carbon (DLC) thin films deposited at various self-bias voltages using radio frequency plasma chemical vapor deposition (RF PCVD) technique. It has been observed that the emission properties...

  • Role of height and contact interface of CNT microstructures on Si for high current field emission cathodes. Navitski, A.; Serbun, P.; Müller, G.; Joshi, R.K.; Engstler, J.; Schneider, J.J. // European Physical Journal - Applied Physics;Jul2012, Vol. 59 Issue 1, pN.PAG 

    Regular arrays of vertically aligned microstructures consisting of entangled carbon nanotubes (CNTs) of different height and contact interface were grown on Si substrates with a bimetallic catalyst by water-assisted chemical vapor deposition. The arrays of high and wide CNT blocks...


Read the Article


Sorry, but this item is not currently available from your library.

Try another library?
Sign out of this library

Other Topics