1. | Nakar, Dekel; Gordeev, Georgy; Machado, Leonardo D; Popovitz-Biro, Ronit; Rechav, Katya; Oliveira, Eliezer F; Kusch, Patryk; Jorio, Ado; Galvao, Douglas S; Reich, Stephanie; Joselevich, Ernesto: Few-Wall Carbon Nanotube Coils (under review). In: 2019. (Type: Journal Article | BibTeX) @article{Nakar2019, title = {Few-Wall Carbon Nanotube Coils (under review)}, author = {Dekel Nakar and Georgy Gordeev and Leonardo D. Machado and Ronit Popovitz-Biro and Katya Rechav and Eliezer F. Oliveira and Patryk Kusch and Ado Jorio and Douglas S. Galvao and Stephanie Reich and Ernesto Joselevich}, year = {2019}, date = {2019-01-01}, keywords = {}, pubstate = {published}, tppubtype = {article} } |
2. | Shadmi, Nitzan; Kremen, Anna; Frenkel, Yiftach; Lapin, Zachary J; Machado, Leonardo D; Legoas, Sergio B; Bitton, Ora; Rechav, Katya; Popovitz-Biro, Ronit; Galvão, Douglas S; Jorio, Ado; Novotny, Lukas; Kalisky, Beena; Joselevich, Ernesto: Defect-Free Carbon Nanotube Coils . 2018, (reprint Nano Letters v16, 2152 (2016)). (Type: Online | Abstract | Links | BibTeX) @online{Shadmi2018, title = {Defect-Free Carbon Nanotube Coils }, author = {Nitzan Shadmi and Anna Kremen and Yiftach Frenkel and Zachary J. Lapin and Leonardo D. Machado and Sergio B. Legoas and Ora Bitton and Katya Rechav and Ronit Popovitz-Biro and Douglas S. Galvão and Ado Jorio and Lukas Novotny and Beena Kalisky and Ernesto Joselevich}, url = {https://arxiv.org/abs/1802.03715}, year = {2018}, date = {2018-02-13}, abstract = {Carbon nanotubes are promising building blocks for various nanoelectronic components. A highly desirable geometry for such applications is a coil. However, coiled nanotube structures reported so far were inherently defective or had no free ends accessible for contacting. Here we demonstrate the spontaneous self-coiling of single-wall carbon nanotubes into defect-free coils of up to more than 70 turns with identical diameter and chirality, and free ends. We characterize the structure, formation mechanism and electrical properties of these coils by different microscopies, molecular dynamics simulations, Raman spectroscopy, and electrical and magnetic measurements. The coils are highly conductive, as expected for defect-free carbon nanotubes, but adjacent nanotube segments in the coil are more highly coupled than in regular bundles of single-wall carbon nanotubes, owing to their perfect crystal momentum matching, which enables tunneling between the turns. Although this behavior does not yet enable the performance of these nanotube coils as inductive devices, it does point a clear path for their realization. Hence, this study represents a major step toward the production of many different nanotube coil devices, including inductors, electromagnets, transformers and dynamos.}, note = {reprint Nano Letters v16, 2152 (2016)}, keywords = {}, pubstate = {published}, tppubtype = {online} } Carbon nanotubes are promising building blocks for various nanoelectronic components. A highly desirable geometry for such applications is a coil. However, coiled nanotube structures reported so far were inherently defective or had no free ends accessible for contacting. Here we demonstrate the spontaneous self-coiling of single-wall carbon nanotubes into defect-free coils of up to more than 70 turns with identical diameter and chirality, and free ends. We characterize the structure, formation mechanism and electrical properties of these coils by different microscopies, molecular dynamics simulations, Raman spectroscopy, and electrical and magnetic measurements. The coils are highly conductive, as expected for defect-free carbon nanotubes, but adjacent nanotube segments in the coil are more highly coupled than in regular bundles of single-wall carbon nanotubes, owing to their perfect crystal momentum matching, which enables tunneling between the turns. Although this behavior does not yet enable the performance of these nanotube coils as inductive devices, it does point a clear path for their realization. Hence, this study represents a major step toward the production of many different nanotube coil devices, including inductors, electromagnets, transformers and dynamos. |
2019 |
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2. | Nakar, Dekel; Gordeev, Georgy; Machado, Leonardo D; Popovitz-Biro, Ronit; Rechav, Katya; Oliveira, Eliezer F; Kusch, Patryk; Jorio, Ado; Galvao, Douglas S; Reich, Stephanie; Joselevich, Ernesto Few-Wall Carbon Nanotube Coils (under review) Journal Article 2019. BibTeX | Tags: Carbon Nanotubes, Molecular Dynamics, Nanocoils, Raman @article{Nakar2019, title = {Few-Wall Carbon Nanotube Coils (under review)}, author = {Dekel Nakar and Georgy Gordeev and Leonardo D. Machado and Ronit Popovitz-Biro and Katya Rechav and Eliezer F. Oliveira and Patryk Kusch and Ado Jorio and Douglas S. Galvao and Stephanie Reich and Ernesto Joselevich}, year = {2019}, date = {2019-01-01}, keywords = {Carbon Nanotubes, Molecular Dynamics, Nanocoils, Raman}, pubstate = {published}, tppubtype = {article} } | |
2018 |
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1. | ![]() | Shadmi, Nitzan; Kremen, Anna; Frenkel, Yiftach; Lapin, Zachary J; Machado, Leonardo D; Legoas, Sergio B; Bitton, Ora; Rechav, Katya; Popovitz-Biro, Ronit; Galvão, Douglas S; Jorio, Ado; Novotny, Lukas; Kalisky, Beena; Joselevich, Ernesto Defect-Free Carbon Nanotube Coils Online 2018, (reprint Nano Letters v16, 2152 (2016)). Abstract | Links | BibTeX | Tags: Carbon Nanotubes, Modeling, Nanocoils @online{Shadmi2018, title = {Defect-Free Carbon Nanotube Coils }, author = {Nitzan Shadmi and Anna Kremen and Yiftach Frenkel and Zachary J. Lapin and Leonardo D. Machado and Sergio B. Legoas and Ora Bitton and Katya Rechav and Ronit Popovitz-Biro and Douglas S. Galvão and Ado Jorio and Lukas Novotny and Beena Kalisky and Ernesto Joselevich}, url = {https://arxiv.org/abs/1802.03715}, year = {2018}, date = {2018-02-13}, abstract = {Carbon nanotubes are promising building blocks for various nanoelectronic components. A highly desirable geometry for such applications is a coil. However, coiled nanotube structures reported so far were inherently defective or had no free ends accessible for contacting. Here we demonstrate the spontaneous self-coiling of single-wall carbon nanotubes into defect-free coils of up to more than 70 turns with identical diameter and chirality, and free ends. We characterize the structure, formation mechanism and electrical properties of these coils by different microscopies, molecular dynamics simulations, Raman spectroscopy, and electrical and magnetic measurements. The coils are highly conductive, as expected for defect-free carbon nanotubes, but adjacent nanotube segments in the coil are more highly coupled than in regular bundles of single-wall carbon nanotubes, owing to their perfect crystal momentum matching, which enables tunneling between the turns. Although this behavior does not yet enable the performance of these nanotube coils as inductive devices, it does point a clear path for their realization. Hence, this study represents a major step toward the production of many different nanotube coil devices, including inductors, electromagnets, transformers and dynamos.}, note = {reprint Nano Letters v16, 2152 (2016)}, keywords = {Carbon Nanotubes, Modeling, Nanocoils}, pubstate = {published}, tppubtype = {online} } Carbon nanotubes are promising building blocks for various nanoelectronic components. A highly desirable geometry for such applications is a coil. However, coiled nanotube structures reported so far were inherently defective or had no free ends accessible for contacting. Here we demonstrate the spontaneous self-coiling of single-wall carbon nanotubes into defect-free coils of up to more than 70 turns with identical diameter and chirality, and free ends. We characterize the structure, formation mechanism and electrical properties of these coils by different microscopies, molecular dynamics simulations, Raman spectroscopy, and electrical and magnetic measurements. The coils are highly conductive, as expected for defect-free carbon nanotubes, but adjacent nanotube segments in the coil are more highly coupled than in regular bundles of single-wall carbon nanotubes, owing to their perfect crystal momentum matching, which enables tunneling between the turns. Although this behavior does not yet enable the performance of these nanotube coils as inductive devices, it does point a clear path for their realization. Hence, this study represents a major step toward the production of many different nanotube coil devices, including inductors, electromagnets, transformers and dynamos. |
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