On the Localization of Persistent Currents Due to Trapped Magnetic Flux at the Stacking Faults of Graphite at Room Temperature
Abstract
:1. Introduction
Assumptions and Experimental Restrictions to Observe Room Temperature Superconductivity in Graphite
2. Magnetic Force Microscopy and Monopole Model Description
2.1. Magnetic Force Microscopy
2.2. Cantilever Tip Approximation
3. Experimental Setup, Sample Preparation, and Precharacterization
4. Results and Discussion
4.1. The MFM Phase Signal at the Current Path
4.2. Influence of the Applied Magnetic Field on the Remanent Current Value
4.3. How Deep Is the SF of Interest?
4.4. Estimate of the Absolute Value of the Current
4.5. Flux Creep
5. Conclusions
Supplementary Materials
Author Contributions
Funding
Data Availability Statement
Acknowledgments
Conflicts of Interest
References
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Ariskina, R.; Stiller, M.; Precker, C.E.; Böhlmann, W.; Esquinazi, P.D. On the Localization of Persistent Currents Due to Trapped Magnetic Flux at the Stacking Faults of Graphite at Room Temperature. Materials 2022, 15, 3422. https://doi.org/10.3390/ma15103422
Ariskina R, Stiller M, Precker CE, Böhlmann W, Esquinazi PD. On the Localization of Persistent Currents Due to Trapped Magnetic Flux at the Stacking Faults of Graphite at Room Temperature. Materials. 2022; 15(10):3422. https://doi.org/10.3390/ma15103422
Chicago/Turabian StyleAriskina, Regina, Markus Stiller, Christian E. Precker, Winfried Böhlmann, and Pablo D. Esquinazi. 2022. "On the Localization of Persistent Currents Due to Trapped Magnetic Flux at the Stacking Faults of Graphite at Room Temperature" Materials 15, no. 10: 3422. https://doi.org/10.3390/ma15103422