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Full Record Details
Persistent URL
http://purl.org/net/epubs/work/34070642
Record Status
Checked
Record Id
34070642
Title
Comparison Studies of Graphene Sey Results in NSRL and DL
Contributors
J Wang (National Synchrotron Radiation Lab., STFC Daresbury Lab., and Cockcroft Inst.)
,
T Sian (STFC Daresbury Lab., Cockcroft Inst., and Manchester Univ.)
,
GX Xia (Cockcroft Inst., and Manchester Univ.)
,
R Valizadeh (STFC Daresbury Lab., and Cockcroft Inst.)
,
Y Wang
,
GL Yu
,
YX Zhang
,
B Zhang
,
PV Tyagi (STFC Daresbury Lab., and Cockcroft Inst.)
Abstract
Graphene has many excellent properties, such as high electron carrier mobility, good thermal conductivity and transparency etc. The secondary electron yield (SEY) of graphene with copper substrate had been studied in National Synchrotron Radiation Laboratory (NSRL) of China. The results show that the maximum SEY ('max) of 6~8 layers graphene film with copper substrates is about 1.25. Further studies indicate that many factors can affect the SEY test results. The recent SEY tests of graphene films with copper substrates in Daresbury Laboratory (DL) of UK gave the maximum SEY of as-received copper, graphene samples with copper substrates are 1.89, 1.83, and 1.68, respectively, under the incident charge per unit surface (Q) of 7.6×10-8 C 'mm-2. Meanwhile, the SEY test parameters and measurement results of graphene in both laboratories are compared and analysed. The effect of defects on the SEY results of graphene films with copper substrate is also discussed.
Organisation
ASTeC
,
CI
,
STFC
Keywords
Funding Information
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Language
English (EN)
Type
Details
URI(s)
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Year
Paper In Conference Proceedings
In 8th International Particle Accelerator Conference (IPAC'17), Copenhagen, Denmark, 14-19 May 2017, (2017): 3196-3199.
http://accelconf.…/papers/wepik107.pdf
2017
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