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Si Based Magnetic Semiconductors

  • Reference work entry
Handbook of Spintronics

Abstract

The efforts over the past decade to identify and characterize magnetic semiconducting systems that would be compatible with present-day silicon technologies are reviewed. Investigations that have explored transition metal doping of the group IV semiconductors silicon and germanium are discussed along with intermetallic compounds such as silicides and germanides that may play the role of a magnetic semiconducting source of polarized electrons. Thin films and nanostructures of these materials have been grown by a number of synthesis techniques, and the resulting structural properties, including the important issue of homogeneity of dopants, are critically surveyed. The resulting magnetic and carrier transport properties are also reviewed.

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Abbreviations

AFM:

Antiferromagnetic

CVD:

Chemical vapor deposition

FC:

Field cooled

FM:

Ferromagnetic

HM:

Helimagnetic

HRTEM:

High-resolution transmission electron microscopy

MBE:

Molecular beam epitaxy

MFM:

Magnetic force microscopy

PLD:

Pulsed laser deposition

RDE:

Reactive deposition epitaxy

SPE:

Solid-phase epitaxy

SQUID:

Superconducting quantum interference device

STEM:

Scanning transmission electron microscopy

STM:

Scanning tunneling microscopy

T c :

Curie temperature

TEM:

Transmission electron microscopy

TM :

Transition metal

XRD:

X-ray diffraction

ZFC:

Zero field cooled

α:

Amorphous

μB :

Bohr magneton

ρ:

Resistivity

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  1. Department of Physics and Astronomy, Louisiana State University, 211-B Nicholson Hall, Tower Dr., Baton Rouge, LA, 70803-4001, USA

    John F. DiTusa

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  1. York-Nanjing International Center of Spintronics, Nanjing University, Nanjing, China

    Yongbing Xu

  2. Institute for Molecular Engineering, University of Chicago, Chicago, Illinois, USA

    David D. Awschalom

  3. Department of Materials Science, Graduate School of Engineering, Tohoku University, Sendai, Japan

    Junsaku Nitta

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DiTusa, J.F. (2016). Si Based Magnetic Semiconductors. In: Xu, Y., Awschalom, D., Nitta, J. (eds) Handbook of Spintronics. Springer, Dordrecht. https://doi.org/10.1007/978-94-007-6892-5_21

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