@article {516,
	title = {Structure determination of the Si3N4/Si(111)-(8 x 8) surface: A combined study of Kikuchi electron holography, scanning tunneling microscopy, and ab initio calculations},
	journal = {Physical Review Letters},
	volume = {86},
	number = {13},
	year = {2001},
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},
	month = {Mar},
	pages = {2818-2821},
	type = {Article},
	abstract = {<p>A comprehensive atomic model for the reconstructed surface of Si3N4 thin layer grown on Si(lll) is presented. Kikuchi electron holography images clearly show the existence of adatoms on the Si3N4(0001)/Si(111)-(8 x 8) surface. Compared with the nb initio calculations, more than 30 symmetry-inequivalent atomic pairs in the outmost layers are successfully identified. Scanning tunneling microscopy (STM) images show diamond-shaped unit cells and nine adatoms in each cell. High-resolution STM images reveal extra features and are in good agreement with the partial charge density distribution obtained from total-energy calculations.</p>
},
	keywords = {ADSORPTION, LEED, MOLECULAR-DYNAMICS SIMULATION, NITROGEN-ATOMS, NO, PARALLEL COMPUTERS, SI(111) SURFACES, SILICON-NITRIDE, SPECTROSCOPY, THERMAL NITRIDATION},
	isbn = {0031-9007},
	url = {<Go to ISI>://WOS:000167693000030},
	author = {Ahn, H. and Wu, C. L. and Gwo, S. and Wei, C. M. and Chou, Y. C.}
}
