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Magnetic properties of Er,O‐codoped GaAs at low temperature

Magnetic properties of Er,O‐codoped GaAs at low temperature

Authors :
Atsushi Koizumi
Yoshikazu Terai
Norifumi Fujimura
Makoto Yoshida
T. Terao
Hitoshi Ohta
Yoshikazu Takeda
Yasufumi Fujiwara
S. Takemoto
Source :
physica status solidi c. 3:4082-4085
Publication Year :
2006
Publisher :
Wiley, 2006.

Abstract

Magnetic properties of Er-doped GaAs (GaAs:Er) and Er,O-codoped GaAs (GaAs:Er,O) have been investigated by using superconducting quantum interference devices (SQUID) magnetometer at low temperature. In M-H curves of GaAs:Er,O, a characteristic magnetization due to the codoping with Er and O was observed at 2 K, while GaAs:Er exhibited much smaller magnetization. The saturation magnetization of GaAs:Er,O slightly increased with Er concentration. These results were discussed in relation to an atomic configuration formed selectively around Er3+ ions in GaAs:Er,O. (© 2006 WILEY-VCH Verlag GmbH & Co. KGaA, Weinheim)

Details

ISSN :
16101642 and 18626351
Volume :
3
Database :
OpenAIRE
Journal :
physica status solidi c
Accession number :
edsair.doi...........d2a999aa24a8be1ffc615795b81d57b9
Full Text :
https://doi.org/10.1002/pssc.200672878