Diluted Magnetic Semiconductors
Diluted Magnetic Semiconductors
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DOI：
10.1109/5.56911
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发表时间：
1988-06
期刊：
影响因子：
5
通讯作者：
N. Samarth;J. Furdyna
中科院分区：
文献类型：
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作者：
N. Samarth;J. Furdyna
本文综述了由部分取代磁性离子（如Cd/sub - 1-x/Mn/sub -x/ Te、Hg/sub - 1-x/Fe/sub -x/ Se、Zn/sub - 1-x/Co/sub -x/ S）组成的半导体晶体。重点是A/sub - 1-x//sup II/ Mn/sub -x/ B/sup VI/类型的材料，这是最彻底的理解。然而，这些材料与A/sub - 1-x//sup II/Fe/sub x/B/sup VI/和A/sub 1-//sup II/Co/sub x/B/sup VI/系统之间的异同将在有关后者系统的资料中讨论。材料的能带结构，这决定了他们的基本半导体性质，被检查。特别注意磁性离子本身之间的交换相互作用（d-d相互作用）和磁性离子与带电子之间的相互作用（sp-d相互作用）。讨论了DMS合金中的磁性现象。特别注意到层状结构的物理，如量子阱和超晶格，涉及DMS材料。评价了DMS合金的性能使器件应用成为可能的前景。>
Diluted magnetic semiconductors (DMSs), i.e. semiconducting crystals whose lattice is made up in part of substitutional magnetic ions (e.g. Cd/sub 1-x/Mn/sub x/Te, Hg/sub 1-x/Fe/sub x/Se, Zn/sub 1-x/Co/sub x/S), are reviewed. The focus is on materials of the type A/sub 1-x//sup II/ Mn/sub x/B/sup VI/, which are the most thoroughly understood. However, the similarities and differences between these materials and the A/sub 1-x//sup II/Fe/sub x/B/sup VI/ and A/sub 1-//sup II/Co/sub x/B/sup VI/ systems are discussed wherever information on the latter system is available. The band structure of the materials, which determines their basic semiconducting properties, is examined. Special attention is given to exchange interactions between the magnetic ions themselves (the d-d interaction) and the interaction between the magnetic ions and band electrons (the sp-d interaction). Magnetic phenomena in DMS alloys are considered. Special attention is given to the physics of layered structures, such as quantum wells and superlattices, involving DMS materials. The prospects of device applications made possible by the properties of DMS alloys are assessed. >