Title : 
Tunneling Magnetoresistance in Exchange Biased Ferromagnetic Semiconductor Tunnel Junctions
         
        
            Author : 
Zhu, Meng ; Wilson, Mark ; Mitra, Partha ; Schiffer, Peter ; Samarth, Nitin
         
        
            Author_Institution : 
Dept. of Phys., Pennsylvania State Univ., University Park, PA
         
        
        
        
        
        
            Abstract : 
Summary form only given.Here, we demonstrate the observation of TMR in exchange-biased MTJs derived from the ferromagnetic semiconductor (Ga,Mn)As. Although still limited to operation at low temperatures, these devices provide an important step forward in exploring proof-of-concept semiconductor spintronic tunneling devices.
         
        
            Keywords : 
III-V semiconductors; ferromagnetic materials; gallium arsenide; magnetoelectronics; manganese compounds; semiconductor junctions; tunnelling magnetoresistance; GaMnAs; exchange biased ferromagnetic semiconductor tunnel junctions; magnetic tunnel junctions; metal-based spintronics; proof-of-concept semiconductor spintronic tunneling devices; tunneling magnetoresistance; Antiferromagnetic materials; Insulation; Magnetic anisotropy; Magnetic field measurement; Magnetic separation; Magnetic tunneling; Magnetization; Magnetoelectronics; SQUIDs; Tunneling magnetoresistance;
         
        
        
        
            Conference_Titel : 
Device Research Conference, 2008
         
        
            Conference_Location : 
Santa Barbara, CA
         
        
        
            Print_ISBN : 
978-1-4244-1942-5
         
        
            Electronic_ISBN : 
1548-3770
         
        
        
            DOI : 
10.1109/DRC.2008.4800816