I.S. Roqan, K. Lorenz, K.P. O’Donnell, C. Trager-Cowan, R.W. Martin, I.M. Watson, E. Alves
Abstract:Room temperature cathodoluminescence (RTCL) was obtained from Tm implanted AlxGa1-xN with different AlN contents (in the range 0 <= x <= 0.2) and from implanted InxAl1-xN with different InN contents (x = 0.13 and 0.19) close to the lattice match with GaN. The Tm3+ emission spectrum depends critically on the host material. The blue emission from AIxGal-xN:Tm peaks in intensity for an AlN content of x similar to 0.11. The emission is enhanced by up to a factor of 50 times with an increase of annealing temperatur…
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