Journal ArticleDOI
Zener Model Description of Ferromagnetism in Zinc-Blende Magnetic Semiconductors
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TLDR
Zener's model of ferromagnetism, originally proposed for transition metals in 1950, can explain T(C) of Ga(1-)(x)Mn(x)As and that of its II-VI counterpart Zn(1)-Mn (x)Te and is used to predict materials with T (C) exceeding room temperature, an important step toward semiconductor electronics that use both charge and spin.Abstract:
Ferromagnetism in manganese compound semiconductors not only opens prospects for tailoring magnetic and spin-related phenomena in semiconductors with a precision specific to III-V compounds but also addresses a question about the origin of the magnetic interactions that lead to a Curie temperature (T(C)) as high as 110 K for a manganese concentration of just 5%. Zener's model of ferromagnetism, originally proposed for transition metals in 1950, can explain T(C) of Ga(1-)(x)Mn(x)As and that of its II-VI counterpart Zn(1-)(x)Mn(x)Te and is used to predict materials with T(C) exceeding room temperature, an important step toward semiconductor electronics that use both charge and spin.read more
Citations
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Multifunctional Sn- and Fe-Codoped In2O3 Colloidal Nanocrystals: Plasmonics and Magnetism.
TL;DR: The combination of plasmonics and magnetism, in addition to electronic conductivity and visible-light transparency, is a unique feature of the colloidal codoped nanocrystals.
Journal ArticleDOI
Strain-mediated magnetoelectric coupling in BaTiO3-Co nanocomposite thin films
TL;DR: In this article, a metal-ceramic type composite film was presented in which Co particles with the mean size of 70nm were uniformly dispersed in an insulating ferroelectric BaTiO3 (BTO) matrix.
Journal ArticleDOI
Ferromagnetism and electrical transport in Fe-doped NiO
TL;DR: In this paper, the authors report Fe-doped nanopowder, exhibiting room ferromagnetism mainly arising from the double exchange mechanism through the doped Fe ions and free charge carriers.
Journal ArticleDOI
Structural, optical, and magnetic properties of Fe-doped ZnO films prepared by spray pyrolysis method
I. Soumahoro,Reda Moubah,Guy Schmerber,Silviu Colis,M. Ait Aouaj,Mohammed Abd-Lefdil,N. Hassanain,A. Berrada,Aziz Dinia +8 more
TL;DR: In this paper, the effect of doping on the structural and optical properties of ZnO thin films was investigated and it was shown that the films are polycrystalline and textured with the c-axis of the wurtzite structure along the growth direction.
Journal ArticleDOI
Carrier-mediated ferromagnetism in the magnetic topological insulator Cr-doped (Sb,Bi) 2 Te 3
Mao Ye,Wei Li,Siyuan Zhu,Yukiharu Takeda,Yuji Saitoh,Jiajia Wang,Hong Pan,Munisa Nurmamat,Kazuki Sumida,Fuhao Ji,Zhen Liu,Yang Haifeng,Zhengtai Liu,Dawei Shen,Akio Kimura,Shan Qiao,Shan Qiao,Xiaoming Xie,Xiaoming Xie +18 more
TL;DR: An element-resolved study for Cr-doped (Sb,Bi)2Te3 using X-ray magnetic circular dichroism to unambiguously show that the long-range magnetic order is mediated by the p-hole carriers of the host lattice, and the interaction between the Sb(Te) p and Cr d states is crucial.
References
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Journal ArticleDOI
Making Nonmagnetic Semiconductors Ferromagnetic
TL;DR: The magnetic coupling in all semiconductor ferromagnetic/nonmagnetic layered structures, together with the possibility of spin filtering in RTDs, shows the potential of the present material system for exploring new physics and for developing new functionality toward future electronics.
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Diluted magnetic semiconductors
TL;DR: In this paper, the physical properties of diluted magnetic semiconductors (DMS) of the type AII1−xMnxBVI (e.g., Cd1−mnxSe, Hg 1−mnsTe) were reviewed.
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(Ga,Mn)As: A new diluted magnetic semiconductor based on GaAs
Hideo Ohno,Aidong Shen,Fumihiro Matsukura,Akira Oiwa,Akira Endo,Shingo Katsumoto,Yasuhiro Iye +6 more
TL;DR: In this article, a new GaAs-based diluted magnetic semiconductor, (Ga,Mn)As, was prepared by molecular beam epitaxy and the lattice constant was determined by x-ray diffraction and shown to increase with the increase of Mn composition, x.
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Interaction Between the d Shells in the Transition Metals
TL;DR: In this paper, it is shown that the spin coupling between the incomplete $d$ shells and the conduction electrons leads to a tendency for a ferromagnetic alignment of $d $ spins.