Near-Field Optical Characterization of the Photoluminescence from Partially Ordered (GaIn)P

M. J. Gregor, P. G. Blome, R. G. Ulbrich, P. Grossmann, S. Grosse, J. Feldmann, W. Stolz, E. O. Göbel, D. J. Arent, M. Bode, K. A. Bertness, J. M. Olson

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31 Scopus Citations


The two photoluminescence bands typically observed in partially ordered (GaIn)P are studied with a spatial resolution of 270 nm by use of scanning near-field optical microscopy at low temperature. Local luminescence spectra show a strong spatial variation of the low energetic emission in lineshape and peak position whereas the same attributes of the high energetic emission differ only slightly for all investigated areas of the sample. The intensities of both photoluminescence bands are anticorrelated in space on a 0.5-1.5 μm scale. TEM investigations show that the structure of the sample is inhomogeneous on the same length scale.

Original languageAmerican English
Pages (from-to)3572
Number of pages1
JournalApplied Physics Letters
Issue number24
StatePublished - 1995

NREL Publication Number

  • NREL/JA-20537


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