Controlling spin relaxation in hexagonal BN-encapsulated graphene with a transverse electric field

Physical Review Letters

Volumn 113, Issue 8, 2014, Pages

  Guimaraes M H D ^a   Zomer, P J ^a   Ingla Aynes J ^a   Brant, J C ^a   Tombros, N ^a   Van Wees, B J ^a  

^a UNIVERSITY OF GRONINGEN   (Netherlands)

Author keywords

[No Author keywords available]

Indexed keywords

GRAPHENE; RELAXATION TIME;

ELECTRONIC SPINS; NONLOCAL SPIN VALVES; RASHBA SPIN-ORBIT COUPLING; ROOM TEMPERATURE; SINGLE LAYER; SPIN RELAXATION; SPIN RELAXATION TIME; TRANSVERSE ELECTRIC FIELD;

ELECTRIC FIELDS;

EID: 84907253099     PISSN: 00319007     EISSN: 10797114     Source Type: Journal    
DOI: 10.1103/PhysRevLett.113.086602     Document Type: Article

References (33)

1. S.A. Wolf, D.D. Awschalom, R.A. Buhrman, J.M. Daughton, S. von Molnr, M.L. Roukes, A.Y. Chtchelkanova, and D.M. Treger, Science 294, 1488 (2001). SCIEAS 0036-8075 10.1126/science.1065389
2. J. Fabian, A. Matos-Abiague, C. Ertler, P. Stano, and I. Zutic, Acta Phys. Slovaca 57, 565 (2007). APSVCO 0323-0465
3. D. Huertas-Hernando, F. Guinea, and A. Brataas, Phys. Rev. Lett. 103, 146801 (2009). PRLTAO 0031-9007 10.1103/PhysRevLett.103.146801
4. V.K. Dugaev, E.Y. Sherman, and J. BarnaÅ, Phys. Rev. B 83, 085306 (2011). PRBMDO 1098-0121 10.1103/PhysRevB.83.085306
5. M. Popinciuc, C. Józsa, P.J. Zomer, N. Tombros, A. Veligura, H.T. Jonkman, and B.J. van Wees, Phys. Rev. B 80, 214427 (2009). PRBMDO 1098-0121 10.1103/PhysRevB.80.214427
6. W. Han and R.K. Kawakami, Phys. Rev. Lett. 107, 047207 (2011). PRLTAO 0031-9007 10.1103/PhysRevLett.107.047207
7. T.-Y. Yang, J. Balakrishnan, F. Volmer, A. Avsar, M. Jaiswal, J. Samm, S.R. Ali, A. Pachoud, M. Zeng, M. Popinciuc, G. Güntherodt, B. Beschoten, and B. Özyilmaz, Phys. Rev. Lett. 107, 047206 (2011). PRLTAO 0031-9007 10.1103/PhysRevLett.107.047206
8. M.H.D. Guimarães, A. Veligura, P.J. Zomer, T. Maassen, I.J. Vera-Marun, N. Tombros, and B.J. van Wees, Nano Lett. 12, 3512 (2012). NALEFD 1530-6984 10.1021/nl301050a
9. M. Wojtaszek, I.J. Vera-Marun, T. Maassen, and B.J. van Wees, Phys. Rev. B 87, 081402 (2013). PRBMDO 1098-0121 10.1103/PhysRevB.87.081402
10. P.J. Zomer, M.H.D. Guimarães, N. Tombros, and B.J. van Wees, Phys. Rev. B 86, 161416 (2012). PRBMDO 1098-0121 10.1103/PhysRevB.86.161416
11. D. Kochan, M. Gmitra, and J. Fabian, Phys. Rev. Lett. 112, 116602 (2014). PRLTAO 0031-9007 10.1103/PhysRevLett.112.116602
12. P. Zhang and M.W. Wu, New J. Phys. 14, 033015 (2012). NJOPFM 1367-2630 10.1088/1367-2630/14/3/033015
13. S. Roche and S.O. Valenzuela, J. Phys. D 47, 094011 (2014). JPAPBE 0022-3727 10.1088/0022-3727/47/9/094011
14. H. Ochoa, A.H. Castro Neto, and F. Guinea, Phys. Rev. Lett. 108, 206808 (2012). PRLTAO 0031-9007 10.1103/PhysRevLett.108.206808
15. M. Gmitra, S. Konschuh, C. Ertler, C. Ambrosch-Draxl, and J. Fabian, Phys. Rev. B 80, 235431 (2009). PRBMDO 1098-0121 10.1103/PhysRevB.80.235431
16. D. Huertas-Hernando, F. Guinea, and A. Brataas, Phys. Rev. B 74, 155426 (2006). PRBMDO 1098-0121 10.1103/PhysRevB.74.155426
17. C.L. Kane and E.J. Mele, Phys. Rev. Lett. 95, 226801 (2005). PRLTAO 0031-9007 10.1103/PhysRevLett.95.226801
18. H. Min, J.E. Hill, N.A. Sinitsyn, B.R. Sahu, L. Kleinman, and A.H. MacDonald, Phys. Rev. B 74, 165310 (2006). PRBMDO 1098-0121 10.1103/PhysRevB.74. 165310
19. E.I. Rashba, Phys. Rev. B 79, 161409 (2009). PRBMDO 1098-0121 10.1103/PhysRevB.79.161409
20. C. Ertler, S. Konschuh, M. Gmitra, and J. Fabian, Phys. Rev. B 80, 041405 (2009). PRBMDO 1098-0121 10.1103/PhysRevB.80.041405
21. S. Konschuh, M. Gmitra, D. Kochan, and J. Fabian, Phys. Rev. B 85, 115423 (2012). PRBMDO 1098-0121 10.1103/PhysRevB.85.115423
22. Y. Zhang, T.-T. Tang, C. Girit, Z. Hao, M.C. Martin, A. Zettl, M.F. Crommie, Y.R. Shen, and F. Wang, Nature (London) 459, 820 (2009). NATUAS 0028-0836 10.1038/nature08105
23. N. Tombros, S. Tanabe, A. Veligura, C. Jozsa, M. Popinciuc, H.T. Jonkman, and B.J. van Wees, Phys. Rev. Lett. 101, 046601 (2008). PRLTAO 0031-9007 10.1103/PhysRevLett.101.046601
24. See Supplemental Material at http://link.aps.org/supplemental/10.1103/ PhysRevLett.113.086602 for a detailed description of the device fabrication, transport measurements, simulation of spin transport in inhomogeneous systems, analysis of the experimental data, results for different samples and temperatures, and the estimation of the electric field dependent spin-orbit coupling.
25. L. Wang, I. Meric, P.Y. Huang, Q. Gao, Y. Gao, H. Tran, T. Taniguchi, K. Watanabe, L.M. Campos, D.A. Muller, J. Guo, P. Kim, J. Hone, K.L. Shepard, and C.R. Dean, Science 342, 614 (2013). SCIEAS 0036-8075 10.1126/science.1244358
26. P.J. Zomer, M.H.D. Guimarães, J.C. Brant, N. Tombros, and B.J. van Wees, Appl. Phys. Lett. 105, 013101 (2014). APPLAB 0003-6951 10.1063/1.4886096
27. A resistance of (Equation presented) was subtracted in the calculation of (Equation presented) for (Equation presented) to account for the non-top-gated regions.
28. Two-terminal local measurements on epitaxial graphene estimated (Equation presented) at 4.2 K [29].
29. B. Dlubak, M.-B. Martin, C. Deranlot, B. Servet, S. Xavier, R. Mattana, M. Sprinkle, C. Berger, W.A. De Heer, F. Petroff, A. Anane, P. Seneor, and A. Fert, Nat. Phys. 8, 557 (2012). NPAHAX 1745-2473 10.1038/nphys2331
30. W. Han, J.-R. Chen, D. Wang, K.M. McCreary, H. Wen, A.G. Swartz, J. Shi, and R.K. Kawakami, Nano Lett. 12, 3443 (2012). NALEFD 1530-6984 10.1021/nl301567n
31. At low (Equation presented), (Equation presented) of our devices scales with (Equation presented) leading to a background in our signal that overcomes the nonlocal spin signal at large B.
32. M. D'Yakonov and V. Perel, Sov. Phys. JETP 33, 1053 (1971). SPHJAR 0038-5646
33. M. Drogeler, F. Volmer, M. Wolter, B. Terres, K. Watanabe, T. Taniguchi, G. Guntherodt, C. Stampfer, and B. Beschoten, arXiv:1406.2439.