The pristine atomic structure of MoS2 monolayer protected from electron radiation damage by graphene
Materials can, in principle, be imaged at the level of individual atoms with aberration corrected transmission electron microscopy. However, such resolution can be attained only with very high electron doses. Consequently, radiation damage is often the limiting factor when characterizing sensitive m...
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| Veröffentlicht in: | arXiv.org 2013-10 |
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| creator | Algara-Siller, Gerardo Kurasch, Simon Sedighi, Mona Lehtinen, Ossi Kaiser, Ute |
| description | Materials can, in principle, be imaged at the level of individual atoms with aberration corrected transmission electron microscopy. However, such resolution can be attained only with very high electron doses. Consequently, radiation damage is often the limiting factor when characterizing sensitive materials. Here, we demonstrate a simple and effective method to increase the electron radiation tolerance of materials by using graphene as protective coating. This leads to an improvement of three orders of magnitude in the radiation tolerance of monolayer MoS2. Further on, we construct samples in different heterostructure configurations to separate the contributions of different radiation damage mechanisms. |
| doi_str_mv | 10.48550/arxiv.1310.2411 |
| format | Article |
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| subjects | Atomic structure Electron radiation Graphene Heterostructures Molybdenum disulfide Monolayers Physics - Materials Science Protective coatings Radiation damage Radiation tolerance Structural damage Transmission electron microscopy |
| title | The pristine atomic structure of MoS2 monolayer protected from electron radiation damage by graphene |
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