✦ LIBER ✦

Ferromagnetism in short-period GaGdN/GaN superlattices grown by RF-MBE

✍ Scribed by Choi, S. W. ;Zhou, Y. K. ;Kim, M. S. ;Kimura, S. ;Emura, S. ;Hasegawa, S. ;Asahi, H.

Publisher: John Wiley and Sons
Year: 2006
Tongue: English
Weight: 168 KB
Volume: 203
Category: Article
ISSN: 0031-8965
DOI: 10.1002/pssa.200669572

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✦ Synopsis

Abstract

GaGdN single layers and GaGdN/GaN short‐period superlattices (SLs) were grown on Al~2~O~3~(0001) substrates by radio frequency molecular beam epitaxy (RF‐MBE) and their magnetic and structural properties were investigated. Both types of samples exhibited ferromagnetic characteristics at both 10 and 300 K. Clear hysteresis and clear saturation were observed in the magnetization vs. magnetic field curves at both temperatures. The GaGdN/GaN short‐period SL samples showed significantly higher saturation magnetization than the GaGdN single layer samples. (© 2006 WILEY‐VCH Verlag GmbH & Co. KGaA, Weinheim)

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