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| Hauptseite > Publikationsdatenbank > Scanning tunnelling microscopy of surfaces of half-metals: an ab-initio study on NiMnSb(001) > print |
| Hauptseite > Publikationsdatenbank > Scanning tunnelling microscopy of surfaces of half-metals: an ab-initio study on NiMnSb(001) > print |
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| 024 | 7 | _ | |2 DOI |a 10.1088/0022-3727/39/5/S05 |
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| 084 | _ | _ | |2 WoS |a Physics, Applied |
| 100 | 1 | _ | |a Lezaic, M. |b 0 |u FZJ |0 P:(DE-Juel1)VDB37180 |
| 245 | _ | _ | |a Scanning tunnelling microscopy of surfaces of half-metals: an ab-initio study on NiMnSb(001) |
| 260 | _ | _ | |a Bristol |b IOP Publ. |c 2006 |
| 300 | _ | _ | |a 797 - 802 |
| 336 | 7 | _ | |a Journal Article |0 PUB:(DE-HGF)16 |2 PUB:(DE-HGF) |
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| 440 | _ | 0 | |a Journal of Physics D - Applied Physics |x 0022-3727 |0 3700 |v 39 |
| 500 | _ | _ | |a Record converted from VDB: 12.11.2012 |
| 520 | _ | _ | |a We present a first-principles Study of the unreconstructed (001) surfaces of the half-metallic ferromagnet NiMnSb. Both terminations (MnSb and Ni) are considered. We find that half-metallicity is lost at the surfaces. After a discussion of the geometric relaxations and the spin-polarized surface band structure, we focus on topography images which are expected to be found with spin-polarized scanning tunnelling microscopy. For the MnSb-terrninated surface we find that only the Sb atoms are visible, reflecting a geometric buckling caused by relaxations. For the Ni-terminated surface we find a strong contrast between the images of forward and reverse tip-sample-bias of 0.5 eV, as well as a stripe-like image for reverse bias. We interpret these findings in terms of highly directional Surface states which are formed in the spin-down gap region. |
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| 700 | 1 | _ | |a Bihlmayer, G. |b 2 |u FZJ |0 P:(DE-Juel1)130545 |
| 700 | 1 | _ | |a Blügel, S. |b 3 |u FZJ |0 P:(DE-Juel1)130548 |
| 773 | _ | _ | |a 10.1088/0022-3727/39/5/S05 |g Vol. 39, p. 797 - 802 |p 797 - 802 |q 39<797 - 802 |0 PERI:(DE-600)1472948-9 |t Journal of physics / D |v 39 |y 2006 |x 0022-3727 |
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