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- Lazar, S. (author), Hebert, C. (author), Zandbergen, H.W. (author) journal article 2004
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- Moreno, M.S. (author), Lazar, S. (author), Zandbergen, H.W. (author), Egerton, R.F. (author) journal article 2006
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- Moore, K.T. (author), Chung, B.W. (author), Morton, S.A. (author), Schwartz, A.J. (author), Tobin, J.G. (author), Lazar, S. (author), Tichelaar, F.D. (author), Zandbergen, H.W. (author), Söderlind, P. (author), van der Laan, G. (author) journal article 2004
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Lazar, S. (author), Weyher, J.L. (author), Macht, L. (author), Tichelaar, F.D. (author), Zandbergen, H.W. (author)Photochemical (PEC) etching and transmission electron microscopy (TEM) have been used to study the defects in hetero-epitaxial GaN layers. TEM proved that PEC etching reveals not only dislocations but also nanopipes in the form of protruding, whisker-like etch features. It is shown by diffraction contrast techniques that the nanopipes are screw...journal article 2004