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Giant modulation of the electronic band gap of carbon nanotubes by dielectric screening

Autor: Lee Aspitarte, Daniel R. McCulley, Andrea Bertoni, Joshua O. Island, Marvin Ostermann, Massimo Rontani, Gary A. Steele, Ethan D. Minot

Publikováno v: Scientific Reports, Vol 7, Iss 1, Pp 1-9 (2017)

Abstract Carbon nanotubes (CNTs) are a promising material for high-performance electronics beyond silicon. But unlike silicon, the nature of the transport band gap in CNTs is not fully understood. The transport gap in CNTs is predicted to be strongly

Externí odkaz: https://doaj.org/article/de24daa75b0240c586ffac825a717848

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Quantum Interferences in Ultraclean Carbon Nanotubes

Autor: Ethan D. Minot, Neda Lotfizadeh, Daniel R. McCulley, Vikram Deshpande, Mitchell J. Senger

Publikováno v: Physical Review Letters. 126

Electronic analogs of optical interferences are powerful tools to investigate quantum phenomena in condensed matter. In carbon nanotubes (CNTs), it is well established that an electronic Fabry-Perot interferometer can be realized. Other types of quan

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::96c12e2f87c5dcd9416d2b52ab6428ae
https://doi.org/10.1103/physrevlett.126.216802

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Extremely Efficient Photocurrent Generation in Carbon Nanotube Photodiodes Enabled by a Strong Axial Electric Field

Autor: Vasili Perebeinos, Mitchell J. Senger, Andrea Bertoni, Daniel R. McCulley, Ethan D. Minot

Publikováno v: Nano letters (Online) 20 (2020): 433–440. doi:10.1021/acs.nanolett.9b04151
info:cnr-pdr/source/autori:McCulley D.R.; Senger M.J.; Bertoni A.; Perebeinos V.; Minot E.D./titolo:Extremely Efficient Photocurrent Generation in Carbon Nanotube Photodiodes Enabled by a Strong Axial Electric Field/doi:10.1021%2Facs.nanolett.9b04151/rivista:Nano letters (Online)/anno:2020/pagina_da:433/pagina_a:440/intervallo_pagine:433–440/volume:20

Carbon nanotube (CNT) photodiodes have the potential to convert light into electrical current with high efficiency. However, previous experiments have revealed the photocurrent quantum yield (PCQY) to be well below 100%. In this work, we show that th

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::2d0674fd3ebe8141b0bac4091d5309f0
https://pubmed.ncbi.nlm.nih.gov/31847521

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Band-Gap-Dependent Electronic Compressibility of Carbon Nanotubes in the Wigner Crystal Regime

Autor: Daniel R. McCulley, Han Fu, Mitchell J. Senger, Vikram Deshpande, Ethan D. Minot, Neda Lotfizadeh, Brian Skinner

Publikováno v: Physical review letters. 123(19)

Electronic compressibility, the second derivative of ground state energy with respect to total electron number, is a measurable quantity that reveals the interaction strength of a system and can be used to characterize the orderly crystalline lattice

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::baca960111ec0d1a66c8c5f60b4e5c9b
https://pubmed.ncbi.nlm.nih.gov/31765201

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Giant modulation of the electronic band gap of carbon nanotubes by dielectric screening

Autor: Massimo Rontani, Joshua O. Island, Ethan D. Minot, Gary A. Steele, Marvin Ostermann, Andrea Bertoni, Daniel R. McCulley, Lee Aspitarte

Publikováno v: Scientific Reports
Scientific reports (Nature Publishing Group) 7 (2017): 8828. doi:10.1038/s41598-017-09372-1
info:cnr-pdr/source/autori:Aspitarte L.; McCulley D.R.; Bertoni A.; Island J.O.; Ostermann M.; Rontani M.; Steele G.A.; Minot E.D./titolo:Giant modulation of the electronic band gap of carbon nanotubes by dielectric screening/doi:10.1038%2Fs41598-017-09372-1/rivista:Scientific reports (Nature Publishing Group)/anno:2017/pagina_da:8828/pagina_a:/intervallo_pagine:8828/volume:7
Scientific Reports, Vol 7, Iss 1, Pp 1-9 (2017)
Scientific Reports, 7(1)

Carbon nanotubes (CNTs) are a promising material for high-performance electronics beyond silicon. But unlike silicon, the nature of the transport band gap in CNTs is not fully understood. The transport gap in CNTs is predicted to be strongly driven b

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::4fa9b37940caa7f77685a56f7f22f80f
http://europepmc.org/articles/PMC5562844

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Photocurrent Quantum Yield in Suspended Carbon Nanotube p-n Junctions

Autor: Daniel R. McCulley, Ethan D. Minot, Lee Aspitarte

Publikováno v: Nano letters. 16(9)

We study photocurrent generation in individual suspended carbon nanotube p–n junctions using spectrally resolved scanning photocurrent microscopy. Spatial maps of the photocurrent allow us to determine the length of the p–n junction intrinsic reg

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::089a799aa8055f77f6fa32f234d55363
https://pubmed.ncbi.nlm.nih.gov/27575386

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A nanoscale pn junction in series with tunable Schottky barriers

Autor: Ethan D. Minot, Daniel R. McCulley, Lee Aspitarte

Publikováno v: Journal of Applied Physics. 122:134304

PN junctions in nanoscale materials are of interest for a range of technologies including photodetectors, solar cells, and light-emitting diodes. However, Schottky barriers at the interface between metal contacts and the nanomaterial are often unavoi

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::7b7fc2e7d6b58e817abe192f26b480dd
https://doi.org/10.1063/1.4994194

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