A spin triplet supercurrent through the half-metallic ferromagnet CrO 2

Nature

Volumn 439, Issue 7078, 2006, Pages 825-827

  Keizer, R S ^a   Goennenwein, S T B ^a,d   Klapwijk, T M ^a   Miao, G ^b,c   Xiao, G ^c   Gupta, A ^b  

^a DELFT UNIVERSITY OF TECHNOLOGY   (Netherlands)

^b UNIVERSITY OF ALABAMA   (United States)

^c BROWN UNIVERSITY   (United States)

^d WALTHER MEISSNER INSTITUT   (Germany)

Author keywords

[No Author keywords available]

Indexed keywords

CHROMIUM COMPOUNDS; ELECTRIC CURRENTS; JOSEPHSON JUNCTION DEVICES; MAGNETIZATION; SUPERCONDUCTIVITY; TRANSISTORS;

HALF-METALLIC FERROMAGNETS; JOSEPHSON JUNCTIONS; RAPID SPATIAL DECAY; SUPERCURRENT;

FERROMAGNETIC MATERIALS;

CHROMIUM DERIVATIVE; FERROMAGNETIC MATERIAL;

SUPERCONDUCTIVITY;

ARTICLE; ELECTROMAGNETIC FIELD; ELECTRON TRANSPORT; MEMBRANE CURRENT; PHYSICAL CHEMISTRY; PREDICTION; PRIORITY JOURNAL; SUPERCONDUCTOR; THEORETICAL STUDY;

EID: 32844474420     PISSN: 00280836     EISSN: 14764687     Source Type: Journal    
DOI: 10.1038/nature04499     Document Type: Article

References (23)

1. Shimizu, K. et al. Superconductivity in the non-magnetic state of iron under pressure. Nature 412, 316-318 (2001).
2. Tinkham, M. Introduction to Superconductivity 2nd edn (McGraw-Hill, New York, 1996).
3. Bergeret, F. S., Volkov, A. F. & Efetov, K. B. Long-range proximity effects in superconductor-ferromagnet structures. Phys. Rev. Lett 86, 4096-4099 (2001).
4. Bergeret, F. S., Volkov, A. F. & Efetov, K. B. Odd triplet superconductivity and related phenomena in superconductor-ferromagnet structures. Rev. Mod. Phys. 77, 1321-1373 (2005).
5. 1-x thin films deposited on silicon wafers at ambient substrate temperature. J. Appl. Phys. 88, 5756-5759 (2000).
6. 2. J. Appl. Phys. 91, 8345-8350 (2002).
7. Ryazanov, V. V. Josephson superconductor-ferromagnet-superconductor π-contact as an element of a quantum bit (experiment). Phys. Usp. 42, 825-827 (1999).
8. Kontos, T., Aprili, M., Lesueur, J. & Grison, X. Inhomogeneous superconductivity induced in a ferromagnet by proximity effect. Phys. Rev. Lett. 86, 304-307 (2001).
9. 2: a self-doped double exchange ferromagnet. Phys. Rev. Lett. 80, 4305-4308 (1998).
10. Gupta, A., Li, X. W. & Xiao, G. Magnetic and transport properties of epitaxial and polycrystalline chromium dioxide thin films (invited). J. Appl. Phys. 87, 6073-6078 (2001).
11. Soulen, R. J. Jr et al. Measuring the spin polarization of a metal with a superconducting point contact. Science 282, 85-88 (1998).
12. 2 at and across an artificial barrier. Phys. Rev. Lett. 88, 196601 (2002).
13. 2 thin films. Phys. Rev. B 62, 8931-8934 (2000).
14. Kadigrobov, A., Shekhter, R. I. & Jonson, M. Quantum spin fluctuations as a source of long-range proximity effects in diffusive ferromagnet-superconductor structures. Europhys. Lett. 54, 394-400 (2001).
15. 3He. Rev. Mod. Phys. 47, 331-414 (1975).
16. 4 and the physics of spin-triplet pairing. Rev. Mod. Phys. 75, 657-712 (2003).
17. 2. Nature 406, 587-592 (2000).
18. Giroud, M., Courtois, H., Hasselbach, K., Mailly, D. & Pannetier, B. Superconducting proximity effect in a mesoscopic ferromagnetic wire. Phys. Rev. B 58, R11872-R11875 (1998).
19. Petrashov, V. T., Sosnin, I. A., Cox, I., Parsons, A. & Troadec, C. Giant mutual proximity effects in ferromagnetic/superconducting nanostructures. Phys. Rev. Lett. 83, 3281-3284 (1999).
20. Peña, V. et al. Coupling of superconductors through a half-metallic ferromagnet: Evidence for a long-range proximity effect. Phys. Rev. B 69, 224502 (2004).
21. Wilhelm, F. K., Zaikin, A. D. & Schön, G. Supercurrent in a mesoscopic proximity wire. J. Low-Temp. Phys. 106, 305-310 (1997).
22. Eschrig, M., Kopu, J., Cuevas, J. C. & Schön, G. Theory of half-metal/ superconductor heterostructures. Phys. Rev. Lett. 90, 137003 (2003).
23. 2) films. Appl. Phys. Lett. 75, 713-715 (1999).