Proposal for a new class of materials: spin gapless semiconductors.
The concept of the spin gapless semiconductor in which both electron and hole can be fully spin polarized is proposed, and its possibility is presented on the basis of first-principles electronic structure calculations. Possible new physics and potential applications in spintronic devices based on the spin gapless semiconductors are discussed.
Wang
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Spintronic and Electronic Materials Group, Institute for Superconducting and Electronic Materials, University of Wollongong, NSW 2522, Australia. xiaolin@uow.edu.au