Biphase ordering of iron oxide surfaces

N. G. Condon; F. M. Leibsle; A. R. Lennie; P. W. Murray; D. J. Vaughan; G. Thornton

doi:10.1103/PhysRevLett.75.1961

Biphase ordering of iron oxide surfaces

N. G. Condon^*, F. M. Leibsle, A. R. Lennie, P. W. Murray, D. J. Vaughan, G. Thornton

^*Corresponding author for this work

Earth and Environmental Sciences - Academic & Research

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

Abstract

Scanning tunneling microscopy and low energy electron diffraction have been used to study the α-Fe2O3(0001) surface in an ultrahigh vacuum. Our results show that this surface can be stabilized by coexisting α-Fe2O3(0001) and FeO(111) phases, with each phase existing in atomically well-ordered islands of mesoscopic dimensions. Furthermore, the islands themselves are arranged to form a superlattice. The formation of this superlattice can be explained in terms of the lattice mismatch between two types of oxygen sublattices.

Original language	English
Pages (from-to)	1961-1964
Number of pages	4
Journal	Physical Review Letters
Volume	75
Issue number	10
DOIs	https://doi.org/10.1103/PhysRevLett.75.1961
Publication status	Published - 1995

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10.1103/PhysRevLett.75.1961

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abstract = "Scanning tunneling microscopy and low energy electron diffraction have been used to study the α-Fe2O3(0001) surface in an ultrahigh vacuum. Our results show that this surface can be stabilized by coexisting α-Fe2O3(0001) and FeO(111) phases, with each phase existing in atomically well-ordered islands of mesoscopic dimensions. Furthermore, the islands themselves are arranged to form a superlattice. The formation of this superlattice can be explained in terms of the lattice mismatch between two types of oxygen sublattices.",

author = "Condon, {N. G.} and Leibsle, {F. M.} and Lennie, {A. R.} and Murray, {P. W.} and Vaughan, {D. J.} and G. Thornton",

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T1 - Biphase ordering of iron oxide surfaces

AU - Condon, N. G.

AU - Leibsle, F. M.

AU - Lennie, A. R.

AU - Murray, P. W.

AU - Vaughan, D. J.

AU - Thornton, G.

PY - 1995

Y1 - 1995

N2 - Scanning tunneling microscopy and low energy electron diffraction have been used to study the α-Fe2O3(0001) surface in an ultrahigh vacuum. Our results show that this surface can be stabilized by coexisting α-Fe2O3(0001) and FeO(111) phases, with each phase existing in atomically well-ordered islands of mesoscopic dimensions. Furthermore, the islands themselves are arranged to form a superlattice. The formation of this superlattice can be explained in terms of the lattice mismatch between two types of oxygen sublattices.

AB - Scanning tunneling microscopy and low energy electron diffraction have been used to study the α-Fe2O3(0001) surface in an ultrahigh vacuum. Our results show that this surface can be stabilized by coexisting α-Fe2O3(0001) and FeO(111) phases, with each phase existing in atomically well-ordered islands of mesoscopic dimensions. Furthermore, the islands themselves are arranged to form a superlattice. The formation of this superlattice can be explained in terms of the lattice mismatch between two types of oxygen sublattices.

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U2 - 10.1103/PhysRevLett.75.1961

DO - 10.1103/PhysRevLett.75.1961

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JO - Physical Review Letters

JF - Physical Review Letters

IS - 10

ER -

Biphase ordering of iron oxide surfaces

Abstract

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