wahl-apl-78-3217

Data for reference wahl-apl-78-3217

Direct evidence for implanted Fe on substitutional Ga sites in GaN

U Wahl, A Vantomme, G Langouche, JG Correia, L Peralta, The ISOLDE Collaboration

Applied Physics Letters 78(21), 3217 (2001).

This paper reports on the lattice location of the transition metal Fe in GaN by means of the emission channeling technique. Following 60 keV room temperature implantation of the precursor isotope 59 Mn at a dose of 10E13/cm2 and annealing up to 900�C, the angular distribution of beta particles emitted by the radioactive isotope 59Fe was measured by a position-sensitive electron detector. The beta emission patterns around the [0001], [-1102], [-1101], and [-2113] directions give direct evidence that the majority of Fe (~80%) occupies substitutional Ga sites.

Contributed by U. Wahl from 193.136.74.1 on Saturday, February 15, 2003 5:54:29 AM

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