The Field Emission Properties of Graphene Aggregates Films Deposited on Fe‐Cr‐Ni alloy Substrates | Zendy

Zhanling Lu | Zendy; Wanjie Wang | Zendy; Xiaotian Ma | Zendy; Ning Yao | Zendy; Lan Zhang | Zendy; Binglin Zhang | Zendy

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The Field Emission Properties of Graphene Aggregates Films Deposited on Fe‐Cr‐Ni alloy Substrates

Author(s) -

Zhanling Lu,

Wanjie Wang,

Xiaotian Ma,

Ning Yao,

Lan Zhang,

Binglin Zhang

Publication year - 2010

Publication title -

journal of nanomaterials

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 0.463

H-Index - 66

eISSN - 1687-4129

pISSN - 1687-4110

DOI - 10.1155/2010/148596

Subject(s) - materials science , field electron emission , graphene , analytical chemistry (journal) , scanning electron microscope , raman spectroscopy , alloy , chemical vapor deposition , current density , transmission electron microscopy , nanotechnology , electron , composite material , optics , chemistry , physics , chromatography , quantum mechanics

The graphene aggregates films were fabricated directly on Fe-Cr-Ni alloy substrates by microwave plasma chemical vapor deposition system (MPCVD). The source gas was a mixture of H2 and CH4 with flow rates of 100 sccm and 12 sccm, respectively. The micro- and nanostructures of the samples were characterized by Raman scattering spectroscopy, field emission scanning electron microscopy (SEM), and transparent electron microscopy (TEM). The field emission properties of the films were measured using a diode structure in a vacuum chamber. The turn-on field was about 1.0 V/m. The current density of 2.1 mA/cm2 at electric field of 2.4 V/m was obtained

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