Toward Spin Electronic Devices Based on Semiconductor Nanowires

S. Heedt

S. Heedt

Peter Grünberg Institute – 9, Jülich Aachen Research Alliance (JARA), Forschungszentrum Jülich, 52425 Jülich, Germany

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I. Wehrmann

I. Wehrmann

Peter Grünberg Institute – 9, Jülich Aachen Research Alliance (JARA), Forschungszentrum Jülich, 52425 Jülich, Germany

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K. Weis

K. Weis

Peter Grünberg Institute – 9, Jülich Aachen Research Alliance (JARA), Forschungszentrum Jülich, 52425 Jülich, Germany

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R. Calarco

R. Calarco

Peter Grünberg Institute – 9, Jülich Aachen Research Alliance (JARA), Forschungszentrum Jülich, 52425 Jülich, Germany

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H. Hardtdegen

H. Hardtdegen

Peter Grünberg Institute – 9, Jülich Aachen Research Alliance (JARA), Forschungszentrum Jülich, 52425 Jülich, Germany

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D. Grützmacher

D. Grützmacher

Peter Grünberg Institute – 9, Jülich Aachen Research Alliance (JARA), Forschungszentrum Jülich, 52425 Jülich, Germany

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Th. Schäpers

Th. Schäpers

Peter Grünberg Institute – 9, Jülich Aachen Research Alliance (JARA), Forschungszentrum Jülich, 52425 Jülich, Germany

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C. Morgan

C. Morgan

Peter Grünberg Institute – 6, Jülich Aachen Research Alliance (JARA), Forschungszentrum Jülich, 52425 Jülich, Germany

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D. E. Bürgler

D. E. Bürgler

Peter Grünberg Institute – 6, Jülich Aachen Research Alliance (JARA), Forschungszentrum Jülich, 52425 Jülich, Germany

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First published: 20 May 2013

Summary

This chapter presents a brief summary of major efforts on spin injection into semiconductors, addressing fundamental investigations of spin relaxation properties as well as prospective applications in spin logic devices. In particular, it focuses on spin injection in III-V semiconductor nanowires prepared in the bottom-up paradigm. The chapter also describes a high degree of control over the preparation of the ferromagnetic contacts, stepping closer toward actual applications in nanowire spintronics, and discusses the switching properties of micromagnetic contacts. Finally, the chapter presents first evidence for spin injection into InN nanowires, as demonstrated by magnetoresistance measurements in the nonlocal spin injection geometry.

Controlled Vocabulary Terms

magnetostrictive devices; nanowires; spin systems

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