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   Figure 1: Nano materials/device characterization

   Figure 2: Raman spectrum of Ge/Si quantum
   dot array. After K. Alim and A.A. Balandin.


Office of Naval Research
Electronics Division

Project Duration: 2003-2005

Under the framework of this project we carry out micro-Raman spectroscopy of hybrid inorganic-organic nanostructures and wurtzite GaN/AlN heterostructures. Equipment available in NDL allows us to obtain Raman spectroscopic scanns, global images, and maps under visible light and UV laser excitation. The NeXT filter technology is used to collect spectrum near the excitation frequency. Specially designed fiber optic input/output can be used for integration of the Raman spectrometer with the device probe station.

Relevant Publications:

* O.L. Lazarenkova, and A.A. Balandin, “Raman scattering from three-dimensionally regimented quantum dot superlattices,“ J. Superlattices and Microstructures, 33: 95, (2003)

* E.P. Pokatilov, D.L. Nika, and A.A. Balandin, “Phonon spectrum and group velocities in AlN/GaN/AlN and related heterostructures,“ J. Superlattices and Microstructures, 33: 155 (2003)

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