Preparing spin-polarized scanning tunneling microscope probes on capped carbon nanotubes by Fe doping: A first-principles study

Applied Physics Letters

Volumn 94, Issue 19, 2009, Pages

  Zou, Xiaolong ^a   Zhou, Gang ^a   Li, Jia ^a   Yan, Binghai ^a   Wu, Jian ^a   Gu, Bing Lin ^a   Duan, Wenhui ^a  

^a TSINGHUA UNIVERSITY   (China)

Author keywords

[No Author keywords available]

Indexed keywords

ADSORPTION SITE; FE ATOMS; FE DOPING; FE-DOPED; FIRST-PRINCIPLES CALCULATION; FIRST-PRINCIPLES STUDY; HIGH SPIN POLARIZATION; NONMAGNETIC; ORBITALS; SCANNING TUNNELING MICROSCOPES; SPIN-POLARIZED; SPIN-POLARIZED CURRENTS; SPIN-POLARIZED SCANNING TUNNELING MICROSCOPY; STRUCTURAL STABILITIES;

ADSORPTION; ATOMS; DOPING (ADDITIVES); ELECTRONIC PROPERTIES; HYBRID SYSTEMS; MAGNETIC MOMENTS; PROBES; SCANNING; SCANNING TUNNELING MICROSCOPY; SOLID STATE PHYSICS; SPIN DYNAMICS; STABILITY;

CARBON NANOTUBES;

EID: 67049115762     PISSN: 00036951     EISSN: None     Source Type: Journal    
DOI: 10.1063/1.3134483     Document Type: Article

References (23)

1. H. J. Dai, J. H. Hafner, A. G. Rinzler, D. T. Colbert, and R. E. Smalley, Nature (London) NATUAS 0028-0836 384, 147 (1996). 10.1038/384147a0
2. S. D. Tzeng, C. L. Wu, Y. C. You, T. T. Chen, S. Gwo, and H. Tokumoto, Appl. Phys. Lett. APPLAB 0003-6951 81, 5042 (2002). 10.1063/1.1530377
3. A. G. Rinzler, J. H. Hafner, P. Nikolaev, L. Lou, S. G. Kim, D. Tomanek, P. Nordlander, D. T. Colbert, and R. E. Smalley, Science SCIEAS 0036-8075 269, 1550 (1995). 10.1126/science.269.5230.1550
4. D. S. Chung, S. H. Park, H. W. Lee, J. H. Choi, S. N. Cha, J. W. Kim, J. E. Jang, K. W. Min, S. H. Cho, M. J. Yoon, J. S. Lee, C. K. Lee, J. H. Yoo, J. M. Kim, J. E. Jung, Y. W. Jin, Y. J. Park, and J. B. You, Appl. Phys. Lett. APPLAB 0003-6951 80, 4045 (2002). 10.1063/1.1480104
5. For a review, see, G. Zhou and W. H. Duan, J. Nanosci. Nanotechnol. JNNOAR 1533-4880 5, 1421 (2005). 10.1166/jnn.2005.305
6. S. S. Wong, Nature (London) NATUAS 0028-0836 394, 52 (1998). 10.1038/27873
7. M. Kleiber, M. Bode, R. Ravlić, and R. Wiesendanger, Phys. Rev. Lett. PRLTAO 0031-9007 85, 4606 (2000). 10.1103/PhysRevLett.85.4606
8. O. Pietzsch, A. Kubetzka, M. Bode, and R. Wiesendanger, Science SCIEAS 0036-8075 292, 2053 (2001). 10.1126/science.1060513
9. M. Bode, O. Pietzsch, A. Kubetzka, and R. Wiesendanger, Phys. Rev. Lett. PRLTAO 0031-9007 92, 067201 (2004). 10.1103/PhysRevLett.92.067201
10. R. Saito, M. Fujita, G. Dresselhaus, and M. S. Dresselhaus, Physical Properties of Carbon Nanotubes (Imperial College Press, London, 1998).
11. J. L. Chen, C. S. Wang, K. A. Jackson, and M. R. Pederson, Phys. Rev. B PRBMDO 0163-1829 44, 6558 (1991). 10.1103/PhysRevB.44.6558
12. O. Crisan, K. von Haeften, A. M. Ellis, and C. Binns, Nanotechnology NNOTER 0957-4484 19, 505602 (2008). 10.1088/0957-4484/19/50/505602
13. M. Bode, Rep. Prog. Phys. RPPHAG 0034-4885 66, 523 (2003). 10.1088/0034-4885/66/4/203
14. K. Tsukagoshi, B. W. Alphenaar, and H. Ago, Nature (London) NATUAS 0028-0836 401, 572 (1999). 10.1038/44108
15. B. Delley, J. Chem. Phys. JCPSA6 0021-9606 92, 508 (1990). 10.1063/1.458452
16. B. Delley, J. Chem. Phys. JCPSA6 0021-9606 113, 7756 (2000). 10.1063/1.1316015
17. J. P. Perdew and Y. Wang, Phys. Rev. B PRBMDO 0163-1829 45, 13244 (1992). 10.1103/PhysRevB.45.13244
18. The binding energy is defined as EB = ECNT + EFe-Etot, where ECNT, EFe, and Etot represent the energies of the CNT, the free Fe atom, and the CNT with an adsorbed Fe atom, respectively.
19. G. Zhou, W. H. Duan, B. L. Gu, and Y. Kawazoe, J. Chem. Phys. JCPSA6 0021-9606 116, 2284 (2002). 10.1063/1.1429242
20. W. Sacks, Phys. Rev. B PRBMDO 0163-1829 61, 7656 (2000). 10.1103/PhysRevB.61.7656
21. The MAE is defined as Eani = Ex-Ez, where Ex and Ez represent the energies of the Fe-adsorbed CNTs, with the magnetic moments of Fe atoms along the x and z axes, respectively.
22. G. Kresse and J. Furthmüller, Comput. Mater. Sci. CMMSEM 0927-0256 6, 15 (1996) 10.1016/0927-0256(96)00008-0; We employ the projector-augmented wave (PAW) pseudopotentials, G. Kresse and D. Joubert, Phys. Rev. B PRBMDO 0163-1829 59, 1758 (1999) 10.1103/PhysRevB.59.1758.
23. F. Meier, L. Zhou, J. Wiebe, and R. Wiesendanger, Science SCIEAS 0036-8075 320, 82 (2008). 10.1126/science.1154415