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

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

doi:10.1103/PhysRevLett.87.116102

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

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

National Center for Supercomputing Applications (NCSA)

Research output: Contribution to journal › Article › peer-review

Abstract

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 language	English (US)
Pages (from-to)	116102-1-116102-4
Journal	Physical review letters
Volume	87
Issue number	11
DOIs	https://doi.org/10.1103/PhysRevLett.87.116102
State	Published - Sep 10 2001

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General Physics and Astronomy

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10.1103/PhysRevLett.87.116102

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abstract = "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.",

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AU - Petrova, V. L.

AU - Flynn, C. P.

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N2 - 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.

AB - 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.

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

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