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Spin-polarized current amplification and spin injection in magnetic bipolar transistors
Jaroslav Fabian, Igor Zutic
The magnetic bipolar transistor (MBT) is a bipolar junction transistor with an equilibrium and nonequilibrium spin (magnetization) in the emitter, base, or collector. The low-injec…
Spin-Voltaic Effect and its Implications
Igor Zutic, Jaroslav Fabian
In an inhomogeneously doped magnetic semiconductor, an interplay between an equilibrium magnetization and injected nonequilibrium spin leads to the spin-voltaic effect--a spin anal…
Theory of magnetic bipolar transistors
Jaroslav Fabian, Igor Zutic, S. Das Sarma
The concept of a magnetic bipolar transistor (MBT) is introduced. The transistor has at least one magnetic region (emitter, base, or collector) characterized by spin-splitting of t…
Spin-polarized bipolar transport and its applications
S. Das Sarma, Jaroslav Fabian, Igor Zutic
In spin-polarized bipolar transport both electrons and holes in doped semiconductors contribute to spin-charge coupling. The current conversion between the minority (as referred to…
Theory of spin-polarized bipolar transport in magnetic p-n junctions
Jaroslav Fabian, Igor Zutic, S. Das Sarma
The interplay between spin and charge transport in electrically and magnetically inhomogeneous semiconductor systems is investigated theoretically. In particular, the theory of spi…
Proposal for all-electrical measurement of T_1 in semiconductors
Igor Zutic, Jaroslav Fabian, S. Das Sarma
In an inhomogeneously doped magnetic semiconductor spin relaxation time T_1 can be determined by all-electrical measurements. Nonequilibrium spin injected in a magnetic p-n junctio…