Book chapter
ELECTRICAL SPIN INJECTION AND TRANSPORT IN SEMICONDUCTORS
Nanomagnetism, pp.227-272
Contemporary Concepts of Condensed Matter Science, v. 1, Elsevier
01/01/2006
DOI: 10.1016/S1572-0934(05)01007-3
Abstract
Over the past several years, several significant milestones have been reached in the science and technology of electrically generating spin-polarized populations in nonmagnetic semiconductors. All-electrical generation of spin-polarized populations in the absence of any magnetic material has also been achieved experimentally. Several alternate theoretical strategies for spin injection that promise higher efficiency, higher temperature operation, or other advantages, have been proposed but are yet to be thoroughly explored. This chapter discusses two vital and complementary directions that should be pursued over the next several years. The first is that of optimization. Although clear evidence of high-efficiency spin injection has been obtained at low temperature, further design work for the junction properties should lead to high-efficiency spin injection at room temperature and above. The second direction concerns the revolutionary possibilities in spin injection, including spin injection across a ballistic metal–semiconductor interface, spin injection with very low resistance barriers through use of drift phenomena, and spin injection through tunneling structures incorporating all non-magnetic elements.
Details
- Title: Subtitle
- ELECTRICAL SPIN INJECTION AND TRANSPORT IN SEMICONDUCTORS
- Creators
- B. T. Jonker - USN, Res Lab, Div Mat Sci & Technol, Washington, DC 20375 USAM. E. Flatte - Univ Iowa, Dept Phys & Astron, Iowa City, IA 52242 USA
- Contributors
- D L Mills (Editor)JAC Bland (Editor)
- Resource Type
- Book chapter
- Publication Details
- Nanomagnetism, pp.227-272
- Publisher
- Elsevier; AMSTERDAM
- Series
- Contemporary Concepts of Condensed Matter Science; v. 1
- DOI
- 10.1016/S1572-0934(05)01007-3
- ISSN
- 1572-0934
- Number of pages
- 46
- Language
- English
- Date published
- 01/01/2006
- Academic Unit
- Physics and Astronomy; Electrical and Computer Engineering
- Record Identifier
- 9984428674302771
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