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| Hauptseite > Publikationsdatenbank > Spin-polarized tunneling between an antiferromagnet and a ferromagnet: First-principles calculations and transport theory > print |
| Hauptseite > Publikationsdatenbank > Spin-polarized tunneling between an antiferromagnet and a ferromagnet: First-principles calculations and transport theory > print |
| 001 | 57804 | ||
| 005 | 20230426083230.0 | ||
| 024 | 7 | _ | |a 10.1103/PhysRevB.76.054437 |2 DOI |
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| 037 | _ | _ | |a PreJuSER-57804 |
| 041 | _ | _ | |a eng |
| 082 | _ | _ | |a 530 |
| 084 | _ | _ | |2 WoS |a Physics, Condensed Matter |
| 100 | 1 | _ | |a Enkovaara, J. |b 0 |0 P:(DE-HGF)0 |
| 245 | _ | _ | |a Spin-polarized tunneling between an antiferromagnet and a ferromagnet: First-principles calculations and transport theory |
| 260 | _ | _ | |a College Park, Md. |b APS |c 2007 |
| 300 | _ | _ | |a 054437 |
| 336 | 7 | _ | |a Journal Article |0 PUB:(DE-HGF)16 |2 PUB:(DE-HGF) |
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| 440 | _ | 0 | |a Physical Review B |x 1098-0121 |0 4919 |v 76 |
| 500 | _ | _ | |a Record converted from VDB: 12.11.2012 |
| 520 | _ | _ | |a By combining first-principles calculations with transport theory we investigate the origin of the magnetoresistance of a magnetic tunnel junction consisting of a ferromagnetic and an antiferromagnetic lead. The (001) oriented Fe/vacuum/Cr planar junction serves as model junction. Even though the conduction electrons of antiferromagnetic Cr are spin-degenerate, it is possible to observe magnetoresistance due to two mechanisms: Firstly, the surface magnetism of Cr creates a spin-dependent potential barrier, and secondly, exchange-split surface states and resonances result in a tunneling conductance which depends on the relative orientation of the Fe and Cr magnetizations. Spin-dependent tunneling between a ferromagnet and an antiferromagnet happens frequently in tunneling setups such as in spin-polarized scanning tunneling microscopy or magnetic tunnel junctions for magnetic random access memory. |
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| 773 | 1 | 8 | |a 10.1103/physrevb.76.054437 |b American Physical Society (APS) |d 2007-08-21 |n 5 |p 054437 |3 journal-article |2 Crossref |t Physical Review B |v 76 |y 2007 |x 1098-0121 |
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| 856 | 7 | _ | |u http://dx.doi.org/10.1103/PhysRevB.76.054437 |
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