Field emission from tetrahedral amorphous carbon as a function of surface treatment and substrate material

被引:94
作者
Hart, A [1 ]
Satyanarayana, BS [1 ]
Milne, WI [1 ]
Robertson, J [1 ]
机构
[1] Univ Cambridge, Dept Engn, Cambridge CB2 1PZ, England
关键词
D O I
10.1063/1.123627
中图分类号
O59 [应用物理学];
学科分类号
摘要
To understand the mechanism of electron field emission from diamond-like carbon, tetrahedral amorphous carbon (ta-C) films were subjected to Ar, H-2, and O-2 plasma treatments to change their surface condition and were deposited on substrates of different work function. The threshold fields and current densities for undoped ta-C are found to be significantly improved by the plasma treatments, largely due to an increase in emission site density, while little dependence was found on work function of substrate. This suggests that the main barrier to emission from ta-C is at the front surface. (C) 1999 American Institute of Physics. [S0003-6951(99)01811-2].
引用
收藏
页码:1594 / 1596
页数:3
相关论文
共 25 条
  • [1] Amaratunga GAJ, 1996, APPL PHYS LETT, V68, P2529, DOI 10.1063/1.116173
  • [2] Electronic properties of tetrahedral amorphous carbon investigated by scanning tunneling microscopy
    Arena, C
    Kleinsorge, B
    Robertson, J
    Milne, WI
    Welland, ME
    [J]. JOURNAL OF APPLIED PHYSICS, 1999, 85 (03) : 1609 - 1615
  • [3] Simultaneous field emission and photoemission from diamond
    Bandis, C
    Pate, BB
    [J]. APPLIED PHYSICS LETTERS, 1996, 69 (03) : 366 - 368
  • [4] Field emission from undoped and nitrogen-doped tetrahedral amorphous carbon film prepared by filtered cathodic vacuum arc technique
    Cheah, LK
    Shi, X
    Tay, BK
    Silva, SRP
    Sun, Z
    [J]. DIAMOND AND RELATED MATERIALS, 1998, 7 (2-5) : 640 - 644
  • [5] Coll BF, 1998, MATER RES SOC SYMP P, V498, P185
  • [6] Electron affinity of the bare and hydrogen covered single crystal diamond (111) surface
    Cui, JB
    Ristein, J
    Ley, L
    [J]. PHYSICAL REVIEW LETTERS, 1998, 81 (02) : 429 - 432
  • [7] Growth mechanism and cross-sectional structure of tetrahedral amorphous carbon thin films
    Davis, CA
    Amaratunga, GAJ
    Knowles, KM
    [J]. PHYSICAL REVIEW LETTERS, 1998, 80 (15) : 3280 - 3283
  • [8] A study of electron field emission as a function of film thickness from amorphous carbon films
    Forrest, RD
    Burden, AP
    Silva, SRP
    Cheah, LK
    Shi, X
    [J]. APPLIED PHYSICS LETTERS, 1998, 73 (25) : 3784 - 3786
  • [9] DIAMOND COLD-CATHODE
    GEIS, MW
    EFREMOW, NN
    WOODHOUSE, JD
    MCALEESE, MD
    MARCHYWKA, M
    SOCKER, DG
    HOCHEDEZ, JF
    [J]. IEEE ELECTRON DEVICE LETTERS, 1991, 12 (08) : 456 - 459
  • [10] Diamond emitters fabrication and theory
    Geis, MW
    Twichell, JC
    Lyszczarz, TM
    [J]. JOURNAL OF VACUUM SCIENCE & TECHNOLOGY B, 1996, 14 (03): : 2060 - 2067