Abstract
We clarify the role of quantum-well states in magnetic trilayer systems of the majority carrier in the ferromagnetic configuration and all carriers in the antiferromagnetic configuration. In addition to numerical and analytic calculations, heuristic pictures are provided to explain the effects of a capping layer and side-layer modulation in recent experiments. This immediately offers individual answers to two unexplained subtle findings in experiments and band-structure calculations. Furthermore, it allows a more flexible tuning of or even a turning off of the interlayer exchange coupling.
| Original language | English |
|---|---|
| Article number | 214415 |
| Journal | Physical Review B - Condensed Matter and Materials Physics |
| Volume | 85 |
| Issue number | 21 |
| DOIs | |
| Publication status | Published - 2012 Jun 13 |
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All Science Journal Classification (ASJC) codes
- Electronic, Optical and Magnetic Materials
- Condensed Matter Physics
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Switching off the magnetic exchange coupling by quantum resonances. / Chang, Ching Hao; Hong, Tzay Ming.
In: Physical Review B - Condensed Matter and Materials Physics, Vol. 85, No. 21, 214415, 13.06.2012.Research output: Contribution to journal › Article
TY - JOUR
T1 - Switching off the magnetic exchange coupling by quantum resonances
AU - Chang, Ching Hao
AU - Hong, Tzay Ming
PY - 2012/6/13
Y1 - 2012/6/13
N2 - We clarify the role of quantum-well states in magnetic trilayer systems of the majority carrier in the ferromagnetic configuration and all carriers in the antiferromagnetic configuration. In addition to numerical and analytic calculations, heuristic pictures are provided to explain the effects of a capping layer and side-layer modulation in recent experiments. This immediately offers individual answers to two unexplained subtle findings in experiments and band-structure calculations. Furthermore, it allows a more flexible tuning of or even a turning off of the interlayer exchange coupling.
AB - We clarify the role of quantum-well states in magnetic trilayer systems of the majority carrier in the ferromagnetic configuration and all carriers in the antiferromagnetic configuration. In addition to numerical and analytic calculations, heuristic pictures are provided to explain the effects of a capping layer and side-layer modulation in recent experiments. This immediately offers individual answers to two unexplained subtle findings in experiments and band-structure calculations. Furthermore, it allows a more flexible tuning of or even a turning off of the interlayer exchange coupling.
UR - http://www.scopus.com/inward/record.url?scp=84862195164&partnerID=8YFLogxK
UR - http://www.scopus.com/inward/citedby.url?scp=84862195164&partnerID=8YFLogxK
U2 - 10.1103/PhysRevB.85.214415
DO - 10.1103/PhysRevB.85.214415
M3 - Article
AN - SCOPUS:84862195164
VL - 85
JO - Physical Review B-Condensed Matter
JF - Physical Review B-Condensed Matter
SN - 1098-0121
IS - 21
M1 - 214415
ER -