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Magnetic point contact in ferromagnetic semiconductor (Ga,Mn)As

We show that narrow constrictions, a few hundred nanometers wide, in ferromagnetic semiconductor (Ga,Mn)As layer exhibit large spin-related magnetoresistance. Moreover, we demonstrate that application of oxygen-ions implantation, instead of chemical etching, is much better method of tailoring nanome...

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Bibliographic Details
Main Authors: Figielski, T., Wosinski, T., Morawski, A., Pelya, O., Makosa, A., Dobrowolski, W., Wrobel, J., Sadowski, J., Jagielski, J., Ratajczak, J.
Format: Article
Language:English
Published: Інститут фізики напівпровідників імені В.Є. Лашкарьова НАН України 2003
Series:Semiconductor Physics Quantum Electronics & Optoelectronics
Online Access:http://dspace.nbuv.gov.ua/handle/123456789/117941
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