A titanium-rich (111) surface of SrTiO[sub 3] single crystals by thermal annealing

Sigmund, W.M.; Rotov, M.; Aldinger, F.; Jiang, Q. D.; Brunen, J.; Zegenhagen, J.
February 1997
Applied Physics A: Materials Science & Processing;1997, Vol. 64 Issue 2, p219
Academic Journal
.A very smooth (111) titanium-rich surface was obtained by annealing SrTiO[sub 3] single crystals in UHV. The surface structure was investigated with SEM, STM and LEED and was found to consist of terraces, interrupted by multi-unit-cell high steps, obviously a result of step bunching. The surface unit cell, is enlarged as a result of our particular preparation procedure.


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