Publication Date:
2012-02-14
Description:
Author(s): Hao Zheng, Jörg Kröger, and Richard Berndt Donors near the polar (0001) surface of nominally undoped ZnO were investigated with scanning tunneling microscopy at 5 K. Spatially resolved spectroscopy reveals single and double charging. Equidistant peaks in spectra of ionized donors are attributed to polaron excitation. The data are consistent ... [Phys. Rev. Lett. 108, 076801] Published Mon Feb 13, 2012
Keywords:
Condensed Matter: Electronic Properties, etc.
Print ISSN:
0031-9007
Electronic ISSN:
1079-7114
Topics:
Physics
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