Zobrazeno 1 - 10
of 13
pro vyhledávání: '"Fatemeh Rezaeifar"'
Publikováno v:
Journal of Pipeline Systems Engineering and Practice. 13
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::e45c441f7de2629f39b86ba3be16df96
https://doi.org/10.1061/(asce)ps.1949-1204.0000678
https://doi.org/10.1061/(asce)ps.1949-1204.0000678
Publikováno v:
Nature Photonics. 13:843-848
Photoemission plays a central role in a wide range of fields, from electronic structure measurements to free-electron laser sources. In metallic emitters, single-photon1, multiphoton2–5 or strong-field emission6–10 processes are the primary photo
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::57bfe531c481827d7cb8dc797edb42d7
https://doi.org/10.1038/s41566-019-0524-1
https://doi.org/10.1038/s41566-019-0524-1
Autor:
Rehan Kapadia, Stephen B. Cronin, Ragib Ahsan, Fatemeh Rezaeifar, Hyun Uk Chae, Debarghya Sarkar, Qingfeng Lin
Publikováno v:
Nano Letters. 19:6227-6234
Using hot electrons to drive electrochemical reactions has drawn considerable interest in driving high-barrier reactions and enabling efficient solar to fuel conversion. However, the conversion efficiency from hot electrons to electrochemical product
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::2d22be5d1c5c76e0a99064777ff3f3fb
https://doi.org/10.1021/acs.nanolett.9b02289
https://doi.org/10.1021/acs.nanolett.9b02289
Publikováno v:
ACS Photonics. 4:2706-2710
We observe bright electroluminescence from suspended carbon nanotube (CNT) field effect transistors (FETs) under extremely low applied electrical powers (∼nW). Here, light emission occurs under positive applied gate voltages, with the FET in its
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::b7be3e25170a50e9f43f4af89b2be54f
https://doi.org/10.1021/acsphotonics.7b00455
https://doi.org/10.1021/acsphotonics.7b00455
Publikováno v:
Applied Physics Letters. 118:071108
Recently, it has been shown that hot-electron photoemission in waveguide-integrated graphene can occur at peak optical power densities many orders of magnitude lower than multiphoton and strong field emission. In this work, we study how the depositio
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::904d45699ec9626ba9728fc22029df02
https://doi.org/10.1063/5.0029877
https://doi.org/10.1063/5.0029877
Autor:
Fatemeh Rezaeifar, Rehan Kapadia
Publikováno v:
2018 IEEE International Vacuum Electronics Conference (IVEC).
This paper presents the experimental demonstration of control over field enhancement factor and work function of the hybrid field emitter to reduce the threshold field required for electron emission. The field enhancement is engineered through microf
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::2af90dd0c65e2a4e213a007668df1e72
https://doi.org/10.1109/ivec.2018.8391490
https://doi.org/10.1109/ivec.2018.8391490
Autor:
Fatemeh Rezaeifar, Rehan Kapadia
Publikováno v:
2018 IEEE International Vacuum Electronics Conference (IVEC).
We introduce the novel approach along with the experimental demonstration of enhanced photon assisted electron emission from monolayer graphene sheet placed over an optical waveguide. A critical challenge on state of the art photon assisted electron
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::7daf0481a556ab16fc12aedb49f41ece
https://doi.org/10.1109/ivec.2018.8391491
https://doi.org/10.1109/ivec.2018.8391491
Publikováno v:
Pipelines 2017.
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::0642853d0e61d2b4f09ae179843934dc
https://doi.org/10.1061/9780784480878.048
https://doi.org/10.1061/9780784480878.048
Publikováno v:
Journal of Applied Physics. 126:033102
Photocathodes exhibiting simultaneous high quantum efficiency, low mean transverse energy (MTE), and fast temporal response are critical for next generation electron sources. Currently, caesiated negative electron affinity GaAs photocathodes have dem
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::aab61ce0dce1f971f4b5c63dfa5de435
https://doi.org/10.1063/1.5093938
https://doi.org/10.1063/1.5093938
Autor:
Rehan Kapadia, Fatemeh Rezaeifar
Publikováno v:
2016 IEEE International Vacuum Electronics Conference (IVEC).
Here we propose a novel scheme based on recent advances in integrated photonics for highly efficient modulation of the temperature of a thermionic emitter with photons. In the proposed scheme, we evanescently couple thermionic emitters to optical cav
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::7e26d3a55b087113fe02f614df2a0b70
https://doi.org/10.1109/ivec.2016.7561781
https://doi.org/10.1109/ivec.2016.7561781