Stable Field Emission from Layered MoS2 Nanosheets in High Vacuum and Observation of 1/f Noise | Zendy

Ranjit V. Kashid | Zendy; Pracheetee D. Joag | Zendy; M Thripuranthaka | Zendy; Chandra Sekhar Rout | Zendy; Dattatray J. Late | Zendy; Mahendra A. More | Zendy

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Stable Field Emission from Layered MoS₂ Nanosheets in High Vacuum and Observation of 1/f Noise

Author(s) -

Ranjit V. Kashid,

Pracheetee D. Joag,

M Thripuranthaka,

Chandra Sekhar Rout,

Dattatray J. Late,

Mahendra A. More

Publication year - 2015

Publication title -

nanomaterials and nanotechnology

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 0.412

H-Index - 21

ISSN - 1847-9804

DOI - 10.5772/60071

Subject(s) - field electron emission , ultra high vacuum , common emitter , materials science , noise (video) , field (mathematics) , desorption , electron , optoelectronics , nanotechnology , analytical chemistry (journal) , adsorption , physics , chemistry , quantum mechanics , chromatography , computer science , mathematics , artificial intelligence , pure mathematics , image (mathematics)

Field emission and current noise of hydrothermally synthesized MoS2 nanosheets are investigated in ultra-high-vacuum and industrially suited high-vacuum conditions. The study reveals that the emission turn-on field is pressure dependent. Moreover, the MoS2 nano‐sheets exhibit more stable field-electron emission in high- vacuum than in ultra-high-vacuum conditions. The investigations on field-emission current fluctuations show features of 1/f-type noise in ultra-high-vacuum and high-vacuum conditions, attributed to adsorption and desorption processes. The post-field-emission results indicate the MoS2 nanosheets are a robust field emitter in high-vacuum conditions

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