Magnetic Properties of SrO Doped with 3d Transition Metals

被引：16

作者：

Khalil, B. ^{[1
]}

Naji, S. ^{[1
,2
]}

Labrim, H. ^{[3
]}

Bhihi, M. ^{[1
]}

El Hachimi, A. G. ^{[1
]}

Lakhal, M. ^{[1
]}

Belhaj, A. ^{[4
]}

Benyoussef, A. ^{[1
,5
,6
]}

El Kenz, A. ^{[1
]}

机构：

[1] Univ Mohammed V Agdal, Fac Sci, LMPHE, URAC 12, Rabat, Morocco

[2] Ibb Univ, Fac Sci, Dept Phys, Ibb, Yemen

[3] Ctr Natl Energie Sci & Tech Nucl CNESTEN, Rabat, Morocco

[4] Univ Sultan Moulay Slimane, Fac Polydisciplinaire, Beni Mellal, Morocco

[5] MAScIR, Inst Nanomat & Nanotechnol, Rabat, Morocco

[6] Hassan II Acad Sci & Technol, Rabat, Morocco

来源：

JOURNAL OF SUPERCONDUCTIVITY AND NOVEL MAGNETISM | 2014年 / 27卷 / 01期

关键词：

Ab-intio; SrO; (SrO; TM)O; Ferromagnetic; Half-metal; Spin-glass; SEMICONDUCTORS; FERROMAGNETISM;

D O I：

10.1007/s10948-013-2241-1

中图分类号：

O59 [应用物理学];

学科分类号：

摘要：

Based on the density functional theory and using the Korringa-Kohn-Rostoker coherent potential approximation (KKR-CPA) method, we study the (Sr, TM)O doped systems where TM = V, Cr, Mn, Fe, Co, and Ni atoms. In particular, we start first by relaxing the parameters of the corresponding structures. Then we discuss its electronic structures, magnetic stabilities, and half-metal properties using 3d transition metals. Among others, it has been shown that doping with Cr, Mn, Fe, and Co, the ferromagnetic phase can be stabilized using a double exchange mechanism. Moreover, we find that the half-metallic properties of these compounds are formed due to a large exchange splitting and the delocalized properties of the majority spin e (g) state and the minority spin t (eg) states.

引用

页码：203 / 208

页数：6

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