DocumentCode :
1208501
Title :
Cd1-xMnxTe semimagnetic semiconductors for ultrafast spintronics and magnetooptics
Author :
Rey-De-Castro, Roberto ; Wang, Daozhi ; Verevkin, Aleksandr ; Mycielski, Andrzej ; Sobolewski, Roman
Author_Institution :
Dept. of Electr., Univ. of Rochester, NY, USA
Volume :
4
Issue :
1
fYear :
2005
Firstpage :
106
Lastpage :
112
Abstract :
We present ultrafast optical characterization of Cd1-xMnxTe single crystals with high (x>0.5-Mn) concentration, studied by magnetooptical sampling and time-resolved magnetization modulation spectroscopy. We have demonstrated that the dynamics of both Mn spins and carrier spins in Cd1-xMnxTe is extremely fast (in the subpicosecond range), making the nanostructures based on this material very promising for applications in spintronics and magnetooptics.
Keywords :
II-VI semiconductors; cadmium compounds; high-speed optical techniques; magneto-optical devices; magnetoelectronics; manganese compounds; semimagnetic semiconductors; spin dynamics; time resolved spectra; Cd1-xMnxTe; Cd1-xMnxTe semimagnetic semiconductors; carrier spins; magnetooptics; nanostructure; spin dynamics; time resolved magnetization modulation spectra; ultrafast spintronics; Crystals; Magnetic materials; Magnetic modulators; Magnetization; Nanostructures; Optical modulation; Sampling methods; Spectroscopy; Tellurium; Ultrafast optics;
fLanguage :
English
Journal_Title :
Nanotechnology, IEEE Transactions on
Publisher :
ieee
ISSN :
1536-125X
Type :
jour
DOI :
10.1109/TNANO.2004.840164
Filename :
1381403
Link To Document :
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