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Electron Emission

Size of the localized electron emission sites on a closed multiwalled carbon nanotube

Size of the localized electron emission sites on a closed multiwalled carbon nanotube

... field emission energy distribution of the emitted electron beam was de- termined by measuring energy spectra of the nanotube emitters using a hemispherical energy analyzer (VSW Atomtech ...the ...

5

Electron emission from selected metal surfaces by multiphoton processes

Electron emission from selected metal surfaces by multiphoton processes

... The research groiç) headed by Prof. Gyozo Farkas of The Central Research Institute for Sohd State Physics in Hungary has since established itself as the world leaders in this field by pubhshing a number of important ...

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The laser assisted field electron emission from carbon nanostructure

The laser assisted field electron emission from carbon nanostructure

... Electron emission measurements were performed in a diode configuration with flat cathode and anode elec- trodes. The cathode was composed of NCF film depos- ited on the 20 × 20 mm 2 n-doped Si substrate, ...

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New insights in high energy electron emission and underlying transport physics of nanocrystalline Si

New insights in high energy electron emission and underlying transport physics of nanocrystalline Si

... high-energy electron emission from the PS diode was reported [1], which is schematically illustrated in ...The emission energy distribution measured from the vacuum level exhibits a peak, which ...

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Electron Emission Spectroscopy Characterization of N-doped Diamond and Si-doped AlGaN

Electron Emission Spectroscopy Characterization of N-doped Diamond and Si-doped AlGaN

... The electron emission below the CBM of NEA diamond had been detected previously and used for vacuum level ...the emission below the CBM. However, the mechanism of the electron emission ...

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Enhanced field electron emission properties of hierarchically structured MWCNT based cold cathodes

Enhanced field electron emission properties of hierarchically structured MWCNT based cold cathodes

... field electron emission (FEE) properties of the h-MWCNT ...J-E emission curves in the light of the conventional Fowler-Nordheim model revealed the existence of two distinct low-field (LF) and ...

6

Electron Emission of Graphene Diamond Hybrid Films Using Paraffin Wax as Diamond Seeding Source

Electron Emission of Graphene Diamond Hybrid Films Using Paraffin Wax as Diamond Seeding Source

... electrons through multiple barriers caused by the pres- ence of different materials [38,39]. The Fowler-Nord- heim plot for graphene-diamond hybrid has two slopes representing electron emission from two ...

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Filtering of the interstellar dust flow near the heliopause: the importance of secondary electron emission for the grain charging

Filtering of the interstellar dust flow near the heliopause: the importance of secondary electron emission for the grain charging

... photoelectron emission, sticking and recom- bination of plasma particles, secondary electron emission, thermionic emission, and field emission (see Draine (1989) for a ...energetic ...

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Influence of Deuterium Retention on Secondary Electron Emission from Graphite under Deuterium Plasma Exposure

Influence of Deuterium Retention on Secondary Electron Emission from Graphite under Deuterium Plasma Exposure

... The influence of deuterium retention on the electron-impact secondary electron emission (SEE) is studied in isotropic graphite (ETU-10). The ETU-10 surface sheath voltage and its deuterium retention ...

5

Effect of Electron and/or Ion Nonthermality on Dust Acoustic Wave Propagation in a Complex Plasma in Presence of Positively Charged Dust Grains Generated by Secondary Electron Emission Process

Effect of Electron and/or Ion Nonthermality on Dust Acoustic Wave Propagation in a Complex Plasma in Presence of Positively Charged Dust Grains Generated by Secondary Electron Emission Process

... charged positively [27], even during the night hours when the photoelectric emission of electrons from the ice is not operable. The cause of this positive charging may be due to secondary electron ...

13

Electron Emission from Low Dimensional Structures.

Electron Emission from Low Dimensional Structures.

... inducing emission from any EMS present at the top of the ...produce electron emission from an EMS containing CNTs, for example, while other types of EMS may require different voltage ...field ...

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Effects of Al interlayer coating and thermal treatment on electron emission characteristics of carbon nanotubes deposited by electrophoretic method

Effects of Al interlayer coating and thermal treatment on electron emission characteristics of carbon nanotubes deposited by electrophoretic method

... enhanced emission characteristics, such as lower turn-on voltage and higher emission currents, were obtained by ther- mally treating the ...of emission characteristics, the thermal treatment barely ...

6

Field Electron Emission from a CNx:H Films Formed on Al Films Using Supermagnetron Plasma CVD

Field Electron Emission from a CNx:H Films Formed on Al Films Using Supermagnetron Plasma CVD

... field electron-emission characteristics of amorphous carbon films have attracted considerable attention due to their promising applicability to cold-cathode materials in future-generation high-performance ...

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Electron Emission from Metals in Intense Electron Fields

Electron Emission from Metals in Intense Electron Fields

... ELECTROH Ei;iISSIO'i! fo'RQl i l 1ETAI JS Di I?i'i'E!YSB ELECri'RIC FIELDS Thcsin by Chas C Lauritsen In Partial Fulfillment of the Requirements for the pegree of Doctor of Philosophy, California Inst[.] ...

39

In Situ, Real-Time Characterization of Silicide Nanostructure Coarsening Dynamics by Photo-Electron Emission Microscopy

In Situ, Real-Time Characterization of Silicide Nanostructure Coarsening Dynamics by Photo-Electron Emission Microscopy

... the electron bunch revolution frequency and the optical pulse round trip ...FEL electron supply is generated via a standard thermionic cathode which is heated to a point just below the threshold for ...

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Fabrication, structure, and electron emission of single carbon nanotubes

Fabrication, structure, and electron emission of single carbon nanotubes

... field emission gun), a very fine high energy electron probe (7 Å diameter) was used to cut the ...parallel electron beam has been formed and used to illuminate the ...field emission properties ...

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Secondary electron emission due to positive ion bombardment

Secondary electron emission due to positive ion bombardment

... ** Secondary electron ratio is defined in this report as the ratio of the number of electrons emitted frmn the surface of a material to the number of positive ions striking the material.[r] ...

34

Charge Storage and Electron/Light Emission Properties of Silicon Nanocrystals

Charge Storage and Electron/Light Emission Properties of Silicon Nanocrystals

... the electron emission structure based on nc-Si arrays embedded in three-dimensional photonic ...the electron emission properties, the luminescence wavelength of nc-Si, the refractive index of ...

5

A Review Paper on “Graphene Field Emission for Electron Microscopy”

A Review Paper on “Graphene Field Emission for Electron Microscopy”

... the emission current is surface sensitive and the adsorption of any gas molecules will increase the surface work function ...high emission current under excessive applied voltage ionizes many gas molecules ...

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Electron optics simulation for designing carbon nanotube based field emission X-ray source

Electron optics simulation for designing carbon nanotube based field emission X-ray source

... Current micro-CT scanners are typically comprised of conventional x-ray sources which have limited temporal resolution because of the intrinsic electron emission mechanism. This is a huge limitation for ...

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