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Optical Spectroscopy of a Nitrogen-Hydrogen Complex in ZnSe

  • J. A. Wolk (a1), J. W. Ager (a1), K. J. Duxstad (a2), E. E. Haller (a2), N. R. Taskar (a3), D. R. Dorman (a3) and D. J. Olego (a3)...

Abstract

We have observed two local vibrational modes related to H bonded to N acceptors in ZnSe samples grown by metal organic vapor phase epitaxy. The modes have been seen in both infrared and Raman spectroscopy. The new mode seen at 3194 cm-1 is assigned to an N-H stretching vibrational mode and the mode found at 783 cm-1 is tentatively assigned to an N-H wagging vibrational mode. Polarized Raman spectroscopy was used to determine that the symmetry of the defect complex is C3v, which implies that the H atom is in either a bonding or anti-bonding position.

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