Spin-dependent trapping of electrons at spinterfaces

Nature Physics

Volumn 9, Issue 4, 2013, Pages 242-247

  Steil, Sabine ^a   Großmann, Nicolas ^a   Laux, Martin ^a   Ruffing, Andreas ^a   Steil, Daniel ^a   Wiesenmayer, Martin ^a   Mathias, Stefan ^a   Monti, Oliver L A ^b   Cinchetti, Mirko ^a   Aeschlimann, Martin ^a  

^a Rheinland Pfälzische Technische Universität Kaiserslautern Landau   (Germany)

^b University of Arizona   (United States)

Author keywords

[No Author keywords available]

Indexed keywords

COBALT COMPOUNDS; FERROMAGNETIC MATERIALS; FERROMAGNETISM; HYBRID MATERIALS; SPIN DYNAMICS; SPIN POLARIZATION;

HYBRID INTERFACE; HYBRID STRUCTURE; METAL-ORGANIC COMPLEXES; MICROSCOPIC PROCESS; SPIN FILTERING; SPINTRONIC DEVICE; TRANSIENT SPIN POLARIZATION; TWO-PHOTON PHOTOEMISSION;

INTERFACE STATES;

EID: 84876421025     PISSN: 17452473     EISSN: 17452481     Source Type: Journal    
DOI: 10.1038/nphys2548     Document Type: Article

References (37)

1. Awschalom, D. & Flatté, M. Challenges for semiconductor spintronic. Nature Phys. 3, 153-159 (2007).
2. Moodera, J. & Mathon, J. Spin polarized tunneling in ferromagnetic junctions. J. Magn. Magn. Mater. 200, 248-273 (1999).
3. Miao, G-X., Müller, M. & Moodera, J. S. Magnetoresistance in double spin filter tunnel junctions with nonmagnetic electrodes and its unconventional bias dependence. Phys. Rev. Lett. 102, 076601 (2009).
4. Moodera, J. S., Santos, T. S. & Nagahama, T. The phenomena of spin-filter tunneling. J. Phys. Condens. Matter 19, 165202 (2007).
5. Butler, W. Tunneling magnetoresistance from a symmetry filtering effect. Sci. Technol. Adv. Mater. 9, 014106 (2008).
6. Sanvito, S. Molecular spintronics: The rise of spinterface science. Nature Phys. 6, 562-564 (2010).
7. Barraud, C. et al. Unravelling the role of the interface for spin injection into organic semiconductors. Nature Phys. 6, 615-620 (2010).
8. Rocha, A. R. et al. Towards molecular spintronics. Nature Mater. 4, 335-339 (2005).
9. Cinchetti, M. et al. Tailoring the spin functionality of a hybrid metal-organic interface by means of alkali-metal doping. Phys. Rev. Lett. 104, 217602 (2010).
10. Atodiresei, N. et al. Design of the local spin polarization at the organic-ferromagnetic interface. Phys. Rev. Lett. 105, 066601 (2010).
11. Brede, J. et al. Spin-and energy-dependent tunneling through a single molecule with intramolecular spatial resolution. Phys. Rev. Lett. 105, 047204 (2010).
12. Methfessel, T. et al. Spin scattering and spin-polarized hybrid interface states at a metal-organic interface. Phys. Rev. B 84, 224403 (2011).
13. Lach, S. et al. Metal-organic hybrid interface states of a ferromagnet/organic semiconductor hybrid junction as basis for engineering spin injection in organic spintronics. Adv. Funct. Mater. 22, 989-997 (2012).
14. Wende, H. et al. Substrate-induced magnetic ordering and switching of iron porphyrin molecules. Nature Mater. 6, 516-520 (2007).
15. Rizzini, A. et al. Coupling single molecule magnets to ferromagnetic substrates. Phys. Rev. Lett. 107, 177205 (2011).
16. 3 . Phys. Rev. B 82, 060413 (2010).
17. Dediu, V. A., Hueso, L. E., Bergenti, I. & Taliani, C. Spin routes in organic semiconductors. Nature Mater. 8, 707-716 (2009).
18. Hill, I. G., Mäkinen, A. J. & Kafafi, Z. H. Distinguishing between interface dipoles and band bending at metal/tris-(8-hydroxyquinoline) aluminum interfaces. Appl. Phys. Lett. 77, 1825-1827 (2000).
19. Baldo, M. & Forrest, S. Interface-limited injection in amorphous organic semiconductors. Phys. Rev. B 64, 085201 (2001).
20. Hammer, B. & Nörskov, J. Theoretical surface science and catalysis-calculations and concepts. Adv. Catal. 45, 71-129 (2000).
21. 3 /Co interfaces for organic spintronic devices. Phys. Rev. B 78, 045208 (2008).
22. Neaton, J., Hybertsen, M. & Louie, S. Renormalization of molecular electronic levels at metal-molecule. Phys. Rev. Lett 97, 216405 (2006).
23. 3 buffer layer. J. Appl. Phys. 108, 103719 (2010).
24. Zhu, X. Electronic structure and electron dynamics at molecule-metal interfaces: Implications for molecule-based electronics. Surf. Sci. Rep. 56, 1-83 (2004).
25. Cölle, M. & Brütting, W. Physics of Organic Semiconductors Ch. 4 (Wiley, 2005).
26. Schwalb, C. H. et al. Electron lifetime in a Shockley-type metal-organic interface state. Phys. Rev. Lett. 101, 146801 (2008).
27. Aeschlimann, M. et al. Ultrafast spin-dependent electron dynamics in fcc Co. Phys. Rev. Lett. 79, 5158-5161 (1997).
28. Krause, S., Casu, M. B., Schoell, A. & Umbach, E. Determination of transport levels of organic semiconductors by UPS and IPS. New J. Phys. 10, 085001 (2008).
29. Iacovita, C. et al. Visualizing the spin of individual cobalt-phthalocyanine molecules. Phys. Rev. Lett. 101, 116602 (2008).
30. Takács, A. F. Electron transport through single phthalocyanine molecules studied using scanning tunneling microscopy. Phys. Rev. B 78, 233404 (2008).
31. Cinchetti, M. et al. Spin-flip processes and ultrafast magnetization dynamics in Co-unifying the microscopic and macroscopic viewoffemtosecond magnetism. Phys. Rev. Lett. 97, 177201 (2006).
32. Schmuttenmaer, C. A. et al. Time resolved two photon photoemission from Cu(100): Energy dependence of electron relaxation. Phys. Rev. B 50, 8957-8960 (1994).
33. Andreyev, O. et al. Spin-resolved two-photon photoemission study of the surface resonance state on Co/Cu(001). Phys. Rev. B 74, 195416 (2006).
34. Cinchetti, M. et al. Determination of spin injection and transport in a ferromagnet/organic semiconductor heterojunction by two-photon photoemission. Nature Mater. 8, 115-119 (2009).
35. Hill, I. G., Kahn, A., Cornil, J., dos Santos, D. A. & Brédas, J. L. Occupied and unoccupied electronic levels in organic π-conjugated molecules: Comparison between experiment and theory. Chem. Phys. Lett. 317, 444-450 (2000).
36. 3 interfaces via ballistic-electron-emission spectroscopy. Phys. Rev. Lett. 106, 156807 (2011).
37. Humbs, W., Zhang, H. & Glasbeek, M. Femtosecond fluorescence upconversion spectroscopy of vapor-deposited tris(8-hydroxyquinoline) aluminum films. Chem. Phys. 254, 319-327 (2000).