Zener Model Description of Ferromagnetism in Zinc-Blende Magnetic Semiconductors

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.

Keywords

FerromagnetismCondensed matter physicsManganeseMagnetic semiconductorCurie temperatureSemiconductorZener diodeSpin (aerodynamics)Materials scienceCurieTransition metalChemistryPhysicsOptoelectronicsMetallurgyVoltageThermodynamicsQuantum mechanicsTransistor

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Publication Info

Year: 2000
Type: article
Volume: 287
Issue: 5455
Pages: 1019-1022
Citations: 7627
Access: Closed

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APA Style

                            
                                
                                    T. Dietl, 
                                
                                    Hideo Ohno, 
                                
                                    F. Matsukura
                                
                                et al.
                            
                            (2000). 
                            Zener Model Description of Ferromagnetism in Zinc-Blende Magnetic Semiconductors. 
                            Science
                            , 287
                            (5455)
                            , 1019-1022.
                            https://doi.org/10.1126/science.287.5455.1019
                        

Identifiers

DOI: 10.1126/science.287.5455.1019
PMID: 10669409

Data Quality

Data completeness: 77%