Progress on microscopic properties of diluted magnetic semiconductors by NMR and μSR  

作　　者：Yilun Gu Shengli Guo Fanlong Ning 

机构地区：[1]Zhejiang Province Key Laboratory of Quantum Technology and Device and Department of Physics, Zhejiang University, Hangzhou 310027, China [2]Collaborative Innovation Center of Advanced Microstructures, Nanjing University, Nanjing 210093, China

出　　处：《Journal of Semiconductors》2019年第8期57-63,共7页半导体学报（英文版）

基　　金：supported by MOST (No. 2016YFA0300402);NSF of China (No. 11574265);the Fundamental Research Funds for the Central Universities

摘　　要：Diluted magnetic semiconductors (DMSs) that possess both properties of semiconductors and ferromagnetism, have attracted a lot of attentions due to its potential applications for spin-sensitive electronic devices. Recently, a series of bulk form DMSs isostructural to iron-based superconductors have been reported, which can be readily investigated by microscopic experimental techniques such as nuclear magnetic resonance (NMR) and muon spin rotation (μSR). The measurements have demonstrated that homogeneous ferromagnetism is achieved in these DMSs. In this review article, we summarize experimental evidences from both NMR and μSR measurements. NMR results have shown that carriers facilitate the interactions between distant Mn atoms, while μSR results indicate that these bulk form DMSs and (Ga,Mn)As share a common mechanism for the ferromagnetic exchange interactions.Diluted magnetic semiconductors(DMSs) that possess both properties of semiconductors and ferromagnetism, have attracted a lot of attentions due to its potential applications for spin-sensitive electronic devices. Recently, a series of bulk form DMSs isostructural to iron-based superconductors have been reported, which can be readily investigated by microscopic experimental techniques such as nuclear magnetic resonance(NMR) and muon spin rotation(μSR). The measurements have demonstrated that homogeneous ferromagnetism is achieved in these DMSs. In this review article, we summarize experimental evidences from both NMR and μSR measurements. NMR results have shown that carriers facilitate the interactions between distant Mn atoms, while μSR results indicate that these bulk form DMSs and(Ga,Mn)As share a common mechanism for the ferromagnetic exchange interactions.

关 键 词：DILUTED MAGNETIC SEMICONDUCTORS MUON spin rotation nuclear MAGNETIC resonance FERROMAGNETISM 

分 类 号：TN304.7[电子电信—物理电子学]