Resonant field emission through amorphous diamond thin films (a model study)

Li, Z.B.; Liu, X.W.; Xu, N. S.; Deng, S.Z.; Wu, Meng-Chang; Ren, Shangping; Chen, Jian; Zhao, Fuli

doi:10.1016/s0304-3991(02)00299-1

Cited by 3 publications

(3 citation statements)

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“…According to the theoretical prediction presented in Ref. 3, the resonant tunnelling current is mainly attributed to electrons from the edge of the Femi level of the conductive substrate, therefore the resonant tunnelling peak positions are primarily dependent on the electrical field. The current peaks in the field region of 11-12 MV m 1 are in good agreement with theory.…”

Section: Resultsmentioning

confidence: 90%

“…3,4 Under such resonant tunnelling conditions the emission current can generally reach six orders (10 6 ) of magnitude higher than that of normal status. This resonant property has application in electrical switches and triggers.…”

Section: Introductionmentioning

confidence: 99%

“…Three major difficulties hamper the experimental investigation: lack of film thickness control (in the theoretical computation the film was treated as a quantum well, i.e. ultrathin amorphous diamond film several nanometres thick is required); as proposed by early authors, 3 variation of emission properties from different emission sites may disguise the resonant signal from the individual signal.…”

Section: Introductionmentioning

confidence: 99%

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Experimental evidence of resonant field emission from ultrathin amorphous diamond thin film

She

Deng

et al. 2004

Surface & Interface Analysis

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Resonant field electron emission was observed from amorphous diamond thin film. An ultrathin, i.e. ∼2 nm, amorphous diamond thin film highly localize on a single sharp Si tip apex was used for the experiments. Tip specimens were fabricated by state-of-the-art microfabrication techniques, including high-resolution electron beam lithography, plasma dry etching and local amorphous diamond deposition on the tip apex. It was observed from current-field (I-E) characteristics that in the applied macro-field of typically 11-12 MV m −1 there are reversible and relatively strong current peaks, in contrast to the normal current instability phenomenon. The results confirm the effect of resonant tunnelling from amorphous diamond thin films.

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Section: Resultsmentioning

confidence: 90%

Section: Introductionmentioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%

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