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https://doi.org/10.1063/1.4761932
| Title: | Dynamic spin injection into chemical vapor deposited graphene | Authors: | Patra, A.K. Singh, S. Barin, B. Lee, Y. Ahn, J.-H. Del Barco, E. Mucciolo, E.R. Özyilmaz, B. |
Issue Date: | 15-Oct-2012 | Citation: | Patra, A.K., Singh, S., Barin, B., Lee, Y., Ahn, J.-H., Del Barco, E., Mucciolo, E.R., Özyilmaz, B. (2012-10-15). Dynamic spin injection into chemical vapor deposited graphene. Applied Physics Letters 101 (16) : -. ScholarBank@NUS Repository. https://doi.org/10.1063/1.4761932 | Abstract: | We demonstrate dynamic spin injection into chemical vapor deposition (CVD) grown graphene by spin pumping from permalloy (Py) layers. Ferromagnetic resonance measurements at room temperature reveal a strong enhancement of the Gilbert damping at the Py/graphene interface, indeed exceeding that observed in Py/platinum interfaces. Similar results are also shown on Co/graphene layers. This enhancement in the Gilbert damping is understood as the consequence of spin pumping at the interface driven by magnetization dynamics. Our observations suggest a strong enhancement of spin-orbit coupling in CVD graphene, in agreement with earlier spin valve measurements. © 2012 American Institute of Physics. | Source Title: | Applied Physics Letters | URI: | http://scholarbank.nus.edu.sg/handle/10635/96270 | ISSN: | 00036951 | DOI: | 10.1063/1.4761932 |
| Appears in Collections: | Staff Publications |
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