Local Atomic Structure of Partially Ordered NiMn in NiMn/NiFe Exchange-Coupled Layers: 2. Electronic Structure Calculations
Local electronic and magnetic structure calculations for NiMn exchange bias alloys are reported for clusters containing NiMn in both the chemically disordered face-centered cubic and the chemically and magnetically ordered L10 phases. The results of these calculations are consistent with our local s...
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| Veröffentlicht in: | The journal of physical chemistry. B 2005-05, Vol.109 (20), p.10419-10428 |
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| container_title | The journal of physical chemistry. B |
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| creator | Garcia-Adeva, Angel J Howell, Rafael C Conradson, Steven D Mustre de Leon, Jose F Espinosa-Faller, Francisco J |
| description | Local electronic and magnetic structure calculations for NiMn exchange bias alloys are reported for clusters containing NiMn in both the chemically disordered face-centered cubic and the chemically and magnetically ordered L10 phases. The results of these calculations are consistent with our local structure measurements that point toward the existence of nanometer-scale ordered clusters at the beginning stages of chemical ordering. The spatial dependence of both the local density of states and the magnetization is strongly influenced by the existence of magnetic order on short length scales, giving rise to an inhomogeneous profile for these quantities across the material with the greatest change at the interface that is still small enough within the domain to imply that the magnetization is still highly developed. |
| doi_str_mv | 10.1021/jp0374509 |
| format | Article |
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| title | Local Atomic Structure of Partially Ordered NiMn in NiMn/NiFe Exchange-Coupled Layers: 2. Electronic Structure Calculations |
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