Electronic Resource
[S.l.]
:
American Institute of Physics (AIP)
Journal of Applied Physics
87 (2000), S. 7064-7066
ISSN:
1089-7550
Source:
AIP Digital Archive
Topics:
Physics
Notes:
Data and Das [S. Datta and B. Das, Appl. Phys. Lett. 56, 665 (1990)] proposed an electronic analog to the optoelectronic modulator which would employ spin injection from a ferromagnet into a semiconductor. We investigate the ferromagnet–semiconductor system consisting of the Heusler alloy Ni2MnIn and the semiconductor InAs. Using a full-potential electronic structure code with a basis set of Slater-type orbitals, we have calculated the band structure of Ni2MnIn. We calculate the spin polarization for each atom. It resides primarily on the Mn atom (3.51), with a small moment (0.31) on the Ni. Interestingly, In has a very small moment (−0.04), which is antiferromagnetically coupled to the other atoms. Using a simple model, we estimate the transmittance of minority spins in three high-symmetry directions. © 2000 American Institute of Physics.
Type of Medium:
Electronic Resource
URL:
http://dx.doi.org/10.1063/1.372932
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