(Ga,Mn)As on patterned GaAs(001) substrates: Growth and magnetotransport

Details (Ga,Mn)As on patterned GaAs(001) substrates: Growth and magnetotransport (Ga,Mn)As on patterned GaAs(001) substrates: Growth and magnetotransport

2006-07-26

arxiv.org/abs/cond-mat/0607685v1

Physics

Condensed Matter

Materials Science

3 pages, 4 figures, accepted for publication in Microelectronics Journal

Scientific paper

A new type of (Ga,Mn)As microstructures with laterally confined electronic and magnetic properties has been realized by growing (Ga,Mn)As films on [1-10]-oriented ridge structures with (113)A sidewalls and (001) top layers prepared on GaAs(001) substrates. The temperature- and field-dependent magnetotransport data of the overgrown structures are compared with those obtained from planar reference samples revealing the coexistence of electronic and magnetic properties specific for (001) and (113)A (Ga,Mn)As on a single sample.

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