Thermally activated stripe reconstruction induced by O on Nb (011)

M. Ondrejcek, R. S. Appleton, W. Swiech, V. L. Petrova, C. P. Flynn

Research output: Contribution to journalArticlepeer-review


We report scanning tunneling microscopy and low energy electron microscopy (LEEM) observations for thin films of Nb (011) of stripe-phase behavior by two variants of an O-induced reconstruction. Stripes occur for thin films but not bulk crystals. At low temperatures the less-favored variant is thermally activated as single stripes on surface heterogeneities. Near T0 = 1505 K, where the reconstruction is lifted, the stripes crowd to form a periodic array with a temperature dependent spacing. LEEM permits quantitative insight into stripe behavior and reveals novel details of stripes interacting with topographic features such as steps, facets, and dislocations.

Original languageEnglish (US)
Pages (from-to)116102-1-116102-4
JournalPhysical review letters
Issue number11
StatePublished - Sep 10 2001

ASJC Scopus subject areas

  • Physics and Astronomy(all)


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