Superconductivity in Bundles of Double-Wall Carbon Nanotubes
We present electrical and thermal specific heat measurements that show superconductivity in double-wall carbon nanotube (DWCNT) bundles. Clear evidence, comprising a resistance drop as a function of temperature, magnetoresistance and differential resistance signature of the supercurrent, suggest an...
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Nature Publishing Group
2014
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Online Access: | http://hdl.handle.net/1721.1/88231 https://orcid.org/0000-0001-8492-2261 |
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author | Shi, Wu Wang, Zhe Zhang, Qiucen Zheng, Yuan Ieong, Chao He, Mingquan Lortz, Rolf Cai, Yuan Wang, Ning Zhang, Ting Zhang, Haijing Tang, Zikang Sheng, Ping Muramatsu, Hiroyuki Kim, Yoong Ahm Endo, Morinobu Araujo, Paulo Antonio Trinidade Dresselhaus, Mildred |
author2 | delete |
author_facet | delete Shi, Wu Wang, Zhe Zhang, Qiucen Zheng, Yuan Ieong, Chao He, Mingquan Lortz, Rolf Cai, Yuan Wang, Ning Zhang, Ting Zhang, Haijing Tang, Zikang Sheng, Ping Muramatsu, Hiroyuki Kim, Yoong Ahm Endo, Morinobu Araujo, Paulo Antonio Trinidade Dresselhaus, Mildred |
author_sort | Shi, Wu |
collection | MIT |
description | We present electrical and thermal specific heat measurements that show superconductivity in double-wall carbon nanotube (DWCNT) bundles. Clear evidence, comprising a resistance drop as a function of temperature, magnetoresistance and differential resistance signature of the supercurrent, suggest an intrinsic superconducting transition below 6.8 K for one particular sample. Additional electrical data not only confirm the existence of superconductivity, but also indicate the Tc distribution that can arise from the diversity in the diameter and chirality of the DWCNTs. A broad superconducting anomaly is observed in the specific heat of a bulk DWCNT sample, which yields a Tc distribution that correlates well with the range of the distribution obtained from the electrical data. As quasi one dimensionality of the DWCNTs dictates the existence of electronic density of state peaks, confirmation of superconductivity in this material system opens the exciting possibility of tuning the Tc through the application of a gate voltage. |
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format | Article |
id | mit-1721.1/88231 |
institution | Massachusetts Institute of Technology |
language | en_US |
last_indexed | 2024-09-23T12:43:53Z |
publishDate | 2014 |
publisher | Nature Publishing Group |
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spelling | mit-1721.1/882312022-10-01T10:45:41Z Superconductivity in Bundles of Double-Wall Carbon Nanotubes Shi, Wu Wang, Zhe Zhang, Qiucen Zheng, Yuan Ieong, Chao He, Mingquan Lortz, Rolf Cai, Yuan Wang, Ning Zhang, Ting Zhang, Haijing Tang, Zikang Sheng, Ping Muramatsu, Hiroyuki Kim, Yoong Ahm Endo, Morinobu Araujo, Paulo Antonio Trinidade Dresselhaus, Mildred delete Massachusetts Institute of Technology. Department of Electrical Engineering and Computer Science Massachusetts Institute of Technology. Department of Physics Araujo, Paulo Antonio Trinidade Dresselhaus, Mildred We present electrical and thermal specific heat measurements that show superconductivity in double-wall carbon nanotube (DWCNT) bundles. Clear evidence, comprising a resistance drop as a function of temperature, magnetoresistance and differential resistance signature of the supercurrent, suggest an intrinsic superconducting transition below 6.8 K for one particular sample. Additional electrical data not only confirm the existence of superconductivity, but also indicate the Tc distribution that can arise from the diversity in the diameter and chirality of the DWCNTs. A broad superconducting anomaly is observed in the specific heat of a bulk DWCNT sample, which yields a Tc distribution that correlates well with the range of the distribution obtained from the electrical data. As quasi one dimensionality of the DWCNTs dictates the existence of electronic density of state peaks, confirmation of superconductivity in this material system opens the exciting possibility of tuning the Tc through the application of a gate voltage. Research Grants Council (Hong Kong, China) (HKUST9/CRF/08) Research Grants Council (Hong Kong, China) (SEG HKUST08) Research Grants Council (Hong Kong, China) (DSC104/05.SC01) Research Grants Council (Hong Kong, China) (VPAAO04/05.SC01) Research Grants Council (Hong Kong, China) (CA04/04.SC02) National Science Foundation (U.S.) (NSF/DMR 1004147) Brazil. National Council for Scientific and Technological Development Shinshu University (Exotic NanoCarbon Project) Japan. Ministry of Education, Culture, Sports, Science and Technology 2014-07-09T15:21:24Z 2014-07-09T15:21:24Z 2012-09 2012-07 Article http://purl.org/eprint/type/JournalArticle 2045-2322 http://hdl.handle.net/1721.1/88231 Shi, Wu, Zhe Wang, Qiucen Zhang, Yuan Zheng, Chao Ieong, Mingquan He, Rolf Lortz, et al. “Superconductivity in Bundles of Double-Wall Carbon Nanotubes.” Sci. Rep. 2 (September 3, 2012). https://orcid.org/0000-0001-8492-2261 en_US http://dx.doi.org/10.1038/srep00625 Scientific Reports Creative Commons Attribution 3.0 http://creativecommons.org/licenses/by/3.0/ application/pdf Nature Publishing Group Nature Publishing Group |
spellingShingle | Shi, Wu Wang, Zhe Zhang, Qiucen Zheng, Yuan Ieong, Chao He, Mingquan Lortz, Rolf Cai, Yuan Wang, Ning Zhang, Ting Zhang, Haijing Tang, Zikang Sheng, Ping Muramatsu, Hiroyuki Kim, Yoong Ahm Endo, Morinobu Araujo, Paulo Antonio Trinidade Dresselhaus, Mildred Superconductivity in Bundles of Double-Wall Carbon Nanotubes |
title | Superconductivity in Bundles of Double-Wall Carbon Nanotubes |
title_full | Superconductivity in Bundles of Double-Wall Carbon Nanotubes |
title_fullStr | Superconductivity in Bundles of Double-Wall Carbon Nanotubes |
title_full_unstemmed | Superconductivity in Bundles of Double-Wall Carbon Nanotubes |
title_short | Superconductivity in Bundles of Double-Wall Carbon Nanotubes |
title_sort | superconductivity in bundles of double wall carbon nanotubes |
url | http://hdl.handle.net/1721.1/88231 https://orcid.org/0000-0001-8492-2261 |
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