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Visible cathodoluminescence from nanocrystalline GaSb obtained by mechanical milling
2003
Journal of Applied Physics
The luminescence of mechanically milled GaSb has been investigated by means of cathodoluminescence ͑CL͒ in the scanning electron microscope. Transmission electron microscopy reveals that the GaSb powders obtained after the milling process contain nanocrystals with sizes of few nanometers. CL spectra of the GaSb powders show a bright blue-green luminescence visible to the naked eye, even at room temperature. Furthermore, a shift from blue to green has been observed depending on the milling time.
doi:10.1063/1.1628829
fatcat:kcxqfv3nhbh6zl3e44wawm7jcq