Graphene devices based on laser scribing technology

2018 ◽  
Vol 57 (4S) ◽  
pp. 04FA01 ◽  
Author(s):  
Yan-Cong Qiao ◽  
Yu-Hong Wei ◽  
Yu Pang ◽  
Yu-Xing Li ◽  
Dan-Yang Wang ◽  
...  
Keyword(s):  
Laser Scribing ◽  
Graphene Devices

scholarly journals Laser-Scribing Technology for Wafer-Scale Graphene Devices

10.5772/64228 ◽  
2016 ◽  
Author(s):  
He Tian ◽  
Mohammad Ali Mohammad ◽  
Wen-Tian Mi ◽  
Yi Yang ◽  
Tian-Ling Ren
Keyword(s):  
Wafer Scale ◽  
Laser Scribing ◽  
Graphene Devices

scholarly journals Raman Spectroscopy Investigation of Graphene Oxide Reduction by Laser Scribing

2021 ◽  
Vol 7 (2) ◽  
pp. 48
Author(s):  
Vittorio Scardaci ◽  
Giuseppe Compagnini
Keyword(s):  
Raman Spectroscopy ◽  
Graphene Oxide ◽  
Reduce Graphene Oxide ◽  
Oxide Reduction ◽  
Material Parameters ◽  
Laser Scribing ◽  
Wide Range ◽  
Scan Speed ◽  
Laser Reduction

Laser scribing has been proposed as a fast and easy tool to reduce graphene oxide (GO) for a wide range of applications. Here, we investigate laser reduction of GO under a range of processing and material parameters, such as laser scan speed, number of laser passes, and material coverage. We use Raman spectroscopy for the characterization of the obtained materials. We demonstrate that laser scan speed is the most influential parameter, as a slower scan speed yields poor GO reduction. The number of laser passes is influential where the material coverage is higher, producing a significant improvement of GO reduction on a second pass. Material coverage is the least influential parameter, as it affects GO reduction only under restricted conditions.

Mapping current profiles of point-contacted graphene devices using single-spin scanning magnetometer

2021 ◽  
Vol 118 (3) ◽  
pp. 033101
Author(s):  
Myeongwon Lee ◽  
Seong Jang ◽  
Woochan Jung ◽  
Yuhan Lee ◽  
Takashi Taniguchi ◽  
...  
Keyword(s):  
Single Spin ◽  
Graphene Devices

Enhancing Hysteresis in Graphene Devices Using Dielectric Screening

2012 ◽  
Vol 33 (8) ◽  
pp. 1195-1197 ◽  
Author(s):  
Kevin Brenner ◽  
T. J. Beck ◽  
James D. Meindl
Keyword(s):  
Dielectric Screening ◽  
Graphene Devices

Optimization of structuring silicon-based thin film solar modules using means of laser scribing

2014 ◽  
Author(s):  
D. N. Redka ◽  
V.A. Parfenov ◽  
V.P. Afanasjev ◽  
A.V. Kukin ◽  
F. S. Egorov ◽  
...  
Keyword(s):  
Thin Film ◽  
Laser Scribing ◽  
Silicon Based

scholarly journals BOUNDARY CONDITIONS IN THE DIRAC APPROACH TO GRAPHENE DEVICES

2012 ◽  
Vol 14 ◽  
pp. 240-249 ◽  
Author(s):  
C.G. BENEVENTANO ◽  
E.M. SANTANGELO
Keyword(s):  
Boundary Conditions ◽  
Zeta Function ◽  
Continuum Limit ◽  
Casimir Energy ◽  
Local Boundary ◽  
Graphene Devices ◽  
The Continuum

We study a family of local boundary conditions for the Dirac problem corresponding to the continuum limit of graphene, both for nanoribbons and nanodots. We show that, among the members of such family, MIT bag boundary conditions are the ones which are in closest agreement with available experiments. For nanotubes of arbitrary chirality satisfying these last boundary conditions, we evaluate the Casimir energy via zeta function regularization, in such a way that the limit of nanoribbons is clearly determined.

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