Electron emission induced modifications in amorphous tetrahedral diamondlike carbon

被引：57
作者：
Mercer, TW
DiNardo, NJ
Rothman, JB
Siegal, MP
Friedmann, TA
Martinez-Miranda, LJ
机构：
[1] Drexel Univ, Dept Phys & Atmospher Sci, Philadelphia, PA 19104 USA
[2] Drexel Univ, Dept Mat Sci & Engn, Philadelphia, PA 19104 USA
[3] Sandia Natl Labs, Albuquerque, NM 87185 USA
[4] Univ Maryland, Dept Mat & Nucl Engn, College Pk, MD 20742 USA
来源：
APPLIED PHYSICS LETTERS | 1998年 / 72卷 / 18期
关键词：
D O I：
10.1063/1.121332
中图分类号：
O59 [应用物理学];
学科分类号：
摘要：
The cold-cathode electron emission properties of amorphous tetrahedral diamondlike carbon are promising for flat-panel display and vacuum microelectronics technologies. The onset of electron emission is, typically, preceded by "conditioning" where the material is stressed by an applied electric field. To simulate conditioning and assess its effect, we combined the spatially localized field and current of a scanning tunneling microscope tip with high-spatial-resolution characterization. Scanning force microscopy shows that conditioning alters surface morphology and electronic structure. Spatially resolved electron-energy-loss spectroscopy indicates that the predominant bonding configuration changes from predominantly fourfold to threefold coordination. (C) 1998 American Institute of Physics.
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页码：2244 / 2246
页数：3
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