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Search: authors:"Hsiang-Shun Kao"

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Enhanced Ferromagnetic Interaction in Modulation-Doped GaMnN Nanorods

In this report, ferromagnetic interactions in modulation-doped GaMnN nanorods grown on Si (111) substrate by plasma-assisted molecular beam epitaxy are investigated with the prospect of achieving a room temperature ferromagnetic semiconductor. Our results indicate the thickness of GaN layer in each GaN/MnN pair, as well as Mn-doping levels, are essential for suppressing secondary...