Journal
MRS BULLETIN
Volume 28, Issue 10, Pages 725-728Publisher
CAMBRIDGE UNIV PRESS
DOI: 10.1557/mrs2003.213
Keywords
crystallographic structure; epitaxial Heusler alloys; intermetallic compounds; magnetic properties; molecular-beam epitaxy (MBE); semiconductors; single crystals spin-polarized materials; spintronics; thin films
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Ferromagnetic materials that have Curie temperatures above room temperature, crystal structures and lattice matching compatible with compound semiconductors, and high spin polarizations show great promise for integration with semiconductor spintronics. Heusler alloys have crystal structures (fcc) and lattice parameters similar to many compound semiconductors, high spin polarization at the Fermi level, and high Curie temperatures. These properties make them particularly attractive for injectors and detectors of spin-polarized currents. This review discusses the progress and issues related to integrating full and half Heusler alloys into ferromagnetic compound semiconductor heterostructures.
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