scholarly journals Near-Field Radiative Thermal Modulation by Tunneling Through Graphene Sheet

2020 ◽  
Author(s):  
Yizhi Hu ◽  
◽  
Xianglin Tang ◽  
Yue Yang ◽  
Yonggang Zhu ◽  
...  
Keyword(s):  
Graphene Sheet ◽  
Near Field ◽  
Thermal Modulation

Self-adaptive near-field radiative thermal modulation using a thermally sensitive bimaterial structure

2021 ◽  
Vol 119 (22) ◽  
pp. 221107
Author(s):  
Fangqi Chen ◽  
Xiaojie Liu ◽  
Yanpei Tian ◽  
Yang Liu ◽  
Yi Zheng
Keyword(s):  
Near Field ◽  
Thermal Modulation ◽  
Bimaterial Structure ◽  
Self Adaptive

Near-field radiative heat transfer between black phosphorus and graphene sheet

2018 ◽  
Vol 6 (2) ◽  
pp. 025906 ◽  
Author(s):  
Xiao-Jie Yi ◽  
Xiao-Juan Hong ◽  
Khurram Shehzad ◽  
Tong-Biao Wang ◽  
Xu-Ming Xu ◽  
...  
Keyword(s):  
Heat Transfer ◽  
Graphene Sheet ◽  
Radiative Heat Transfer ◽  
Radiative Heat ◽  
Near Field ◽  
Black Phosphorus

Casimir Friction and Near-field Radiative Heat Transfer in Graphene Structures

2017 ◽  
Vol 72 (2) ◽  
pp. 171-180 ◽  
Author(s):  
A.I. Volokitin
Keyword(s):  
Heat Transfer ◽  
Energy Transfer ◽  
Transfer Coefficient ◽  
Graphene Sheet ◽  
Drift Velocity ◽  
Radiative Heat Transfer ◽  
Radiative Heat ◽  
Near Field ◽  
Radiative Energy ◽  
Phonon Polaritons

AbstractThe dependence of the Casimir friction force between a graphene sheet and a (amorphous) SiO2 substrate on the drift velocity of the electrons in the graphene sheet is studied. It is shown that the Casimir friction is strongly enhanced for the drift velocity above the threshold velocity when the friction is determined by the resonant excitation of the surface phonon–polaritons in the SiO2 substrate and the electron–hole pairs in graphene. The theory agrees well with the experimental data for the current–voltage dependence for unsuspended graphene on the SiO2 substrate. The theories of the Casimir friction and the near-field radiative energy transfer are used to study the heat generation and dissipation in graphene due to the interaction with phonon–polaritons in the (amorphous) SiO2 substrate and acoustic phonons in graphene. For suspended graphene, the energy transfer coefficient at nanoscale gap is ~ three orders of magnitude larger than the radiative heat transfer coefficient of the blackbody radiation limit.

Near-field scanning optical microscopy

1986 ◽  
Vol 44 ◽  
pp. 642-643
Author(s):  
E. Betzig ◽  
A. Harootunian ◽  
M. Isaacson ◽  
A. Lewis
Keyword(s):  
Near Field ◽  
Optical Microscope ◽  
Visible Radiation ◽  
Field Methods ◽  
Optical Elements ◽  
Optical Region ◽  
Order Of Magnitude ◽  
Nondestructive Imaging ◽  
Scanning Optical Microscopy ◽  
Near Field Scanning

In general, conventional methods of optical imaging are limited in spatial resolution by either the wavelength of the radiation used or by the aberrations of the optical elements. This is true whether one uses a scanning probe or a fixed beam method. The reason for the wavelength limit of resolution is due to the far field methods of producing or detecting the radiation. If one resorts to restricting our probes to the near field optical region, then the possibility exists of obtaining spatial resolutions more than an order of magnitude smaller than the optical wavelength of the radiation used. In this paper, we will describe the principles underlying such "near field" imaging and present some preliminary results from a near field scanning optical microscope (NS0M) that uses visible radiation and is capable of resolutions comparable to an SEM. The advantage of such a technique is the possibility of completely nondestructive imaging in air at spatial resolutions of about 50nm.

Principles of Planar Near-Field Antenna Measurements

2007 ◽  
Author(s):  
Stuart Gregson ◽  
John McCormick ◽  
Clive Parini
Keyword(s):  
Near Field ◽  
Antenna Measurements

Immobilization of Radionuclides on Iron Canister Material at Simulated Near-field Conditions

2008 ◽  
Author(s):  
Daqing Cui ◽  
Ylva Ranebo ◽  
Jeanett Low ◽  
Vincenzo Rondinella ◽  
Jinshan Pan ◽  
...  
Keyword(s):  
Near Field ◽  
Field Conditions
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