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Strain-Induced Pseudo-Magnetic Fields Greater Than 300 Tesla in Graphene Nanobubbles.

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Title: Strain-Induced Pseudo-Magnetic Fields Greater Than 300 Tesla in Graphene Nanobubbles.
Authors: Levy, N., Burke, S. A., Meaker, K. L., Panlasigui, M., Zettl, A., Guinea, F., Neto, A. H. Castro, Crommie, M. F.
Source: Science (pre-March 2025). 7/30/2010, Vol. 329 Issue 5991, p544-547. 4p.
Subjects: Graphene, Magnetic fields, Scanning tunneling microscopy, Nanostructured materials, Fermions, Platinum, Landau levels
Abstract: Recent theoretical proposals suggest that strain can be used to engineer graphene electronic states through the creation of a pseudo-magnetic field. This effect is unique to graphene because of its massless Dirac fermion-like band structure and particular lattice symmetry (C3v). Here, we present experimental spectroscopic measurements by scanning tunneling microscopy of highly strained nanobubbles that form when graphene is grown on a platinum (111) surface. The nanobubbles exhibit Landau levels that form in the presence of strain-induced pseudo-magnetic fields greater than 300 tesla. This demonstration of enormous pseudo-magnetic fields opens the door to both the study of charge carriers in previously inaccessible high magnetic field regimes and deliberate mechanical control over electronic structure in graphene or so-called "strain engineering." [ABSTRACT FROM AUTHOR]
Copyright of Science (pre-March 2025) is the property of American Association for the Advancement of Science and its content may not be copied or emailed to multiple sites without the copyright holder's express written permission. Additionally, content may not be used with any artificial intelligence tools or machine learning technologies. However, users may print, download, or email articles for individual use. This abstract may be abridged. No warranty is given about the accuracy of the copy. Users should refer to the original published version of the material for the full abstract. (Copyright applies to all Abstracts.)
Database: Psychology and Behavioral Sciences Collection
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  Data: Strain-Induced Pseudo-Magnetic Fields Greater Than 300 Tesla in Graphene Nanobubbles.
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  Data: <searchLink fieldCode="AR" term="%22Levy%2C+N%2E%22">Levy, N.</searchLink><br /><searchLink fieldCode="AR" term="%22Burke%2C+S%2E+A%2E%22">Burke, S. A.</searchLink><br /><searchLink fieldCode="AR" term="%22Meaker%2C+K%2E+L%2E%22">Meaker, K. L.</searchLink><br /><searchLink fieldCode="AR" term="%22Panlasigui%2C+M%2E%22">Panlasigui, M.</searchLink><br /><searchLink fieldCode="AR" term="%22Zettl%2C+A%2E%22">Zettl, A.</searchLink><br /><searchLink fieldCode="AR" term="%22Guinea%2C+F%2E%22">Guinea, F.</searchLink><br /><searchLink fieldCode="AR" term="%22Neto%2C+A%2E+H%2E+Castro%22">Neto, A. H. Castro</searchLink><br /><searchLink fieldCode="AR" term="%22Crommie%2C+M%2E+F%2E%22">Crommie, M. F.</searchLink>
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  Data: <searchLink fieldCode="JN" term="%22Science+%28pre-March+2025%29%22">Science (pre-March 2025)</searchLink>. 7/30/2010, Vol. 329 Issue 5991, p544-547. 4p.
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  Data: <searchLink fieldCode="DE" term="%22Graphene%22">Graphene</searchLink><br /><searchLink fieldCode="DE" term="%22Magnetic+fields%22">Magnetic fields</searchLink><br /><searchLink fieldCode="DE" term="%22Scanning+tunneling+microscopy%22">Scanning tunneling microscopy</searchLink><br /><searchLink fieldCode="DE" term="%22Nanostructured+materials%22">Nanostructured materials</searchLink><br /><searchLink fieldCode="DE" term="%22Fermions%22">Fermions</searchLink><br /><searchLink fieldCode="DE" term="%22Platinum%22">Platinum</searchLink><br /><searchLink fieldCode="DE" term="%22Landau+levels%22">Landau levels</searchLink>
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  Data: Recent theoretical proposals suggest that strain can be used to engineer graphene electronic states through the creation of a pseudo-magnetic field. This effect is unique to graphene because of its massless Dirac fermion-like band structure and particular lattice symmetry (C3v). Here, we present experimental spectroscopic measurements by scanning tunneling microscopy of highly strained nanobubbles that form when graphene is grown on a platinum (111) surface. The nanobubbles exhibit Landau levels that form in the presence of strain-induced pseudo-magnetic fields greater than 300 tesla. This demonstration of enormous pseudo-magnetic fields opens the door to both the study of charge carriers in previously inaccessible high magnetic field regimes and deliberate mechanical control over electronic structure in graphene or so-called "strain engineering." [ABSTRACT FROM AUTHOR]
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  Data: <i>Copyright of Science (pre-March 2025) is the property of American Association for the Advancement of Science and its content may not be copied or emailed to multiple sites without the copyright holder's express written permission. Additionally, content may not be used with any artificial intelligence tools or machine learning technologies. However, users may print, download, or email articles for individual use. This abstract may be abridged. No warranty is given about the accuracy of the copy. Users should refer to the original published version of the material for the full abstract.</i> (Copyright applies to all Abstracts.)
PLink https://search.ebscohost.com/login.aspx?direct=true&site=eds-live&db=pbh&AN=52897922
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              Text: 7/30/2010
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