Surface crystal structure of magnetite Fe3O4(110)

Yuko Oda; Seigi Mizuno; Sakae Todo; Eiko Torikai; Kazunobu Hayakawa

doi:10.1143/jjap.37.4518

Surface crystal structure of magnetite Fe₃O₄(110)

Yuko Oda, Seigi Mizuno, Sakae Todo, Eiko Torikai, Kazunobu Hayakawa

Research output: Contribution to journal › Article

18 Citations (Scopus)

Abstract

The surface crystal structure of magnetite Fe₃O₄(110) was studied by low-energy electron diffraction (LEED). A clean surface was obtained after sputtering and annealing at 840 K. The clear LEED patterns show fractional order spots corresponding to a (3×1) surface reconstruction with missing spots. The missing spots indicate a glide plane symmetry of the (3×1) surface. Moreover, the LEED patterns have two-fold rotational symmetry, the surface structure should be p2mg-(3×1) or double domain of p1g1-(3×1). The same glide plane symmetry of the reconstructed surface structure and the ideal surface structure of Fe₃O₄(110) shows a strong relation between surface and bulk structures. We propose one possible model that corresponds to the p2mg-(3×1).

Original language	English
Pages (from-to)	4518-4521
Number of pages	4
Journal	Japanese Journal of Applied Physics, Part 1: Regular Papers and Short Notes and Review Papers
Volume	37
Issue number	8
DOIs	https://doi.org/10.1143/jjap.37.4518
Publication status	Published - Aug 1998

All Science Journal Classification (ASJC) codes

Engineering(all)
Physics and Astronomy(all)

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10.1143/jjap.37.4518

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Oda, Y., Mizuno, S., Todo, S., Torikai, E., & Hayakawa, K. (1998). Surface crystal structure of magnetite Fe₃O₄(110). Japanese Journal of Applied Physics, Part 1: Regular Papers and Short Notes and Review Papers, 37(8), 4518-4521. https://doi.org/10.1143/jjap.37.4518

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title = "Surface crystal structure of magnetite Fe3O4(110)",

abstract = "The surface crystal structure of magnetite Fe3O4(110) was studied by low-energy electron diffraction (LEED). A clean surface was obtained after sputtering and annealing at 840 K. The clear LEED patterns show fractional order spots corresponding to a (3×1) surface reconstruction with missing spots. The missing spots indicate a glide plane symmetry of the (3×1) surface. Moreover, the LEED patterns have two-fold rotational symmetry, the surface structure should be p2mg-(3×1) or double domain of p1g1-(3×1). The same glide plane symmetry of the reconstructed surface structure and the ideal surface structure of Fe3O4(110) shows a strong relation between surface and bulk structures. We propose one possible model that corresponds to the p2mg-(3×1).",

author = "Yuko Oda and Seigi Mizuno and Sakae Todo and Eiko Torikai and Kazunobu Hayakawa",

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AU - Oda, Yuko

AU - Mizuno, Seigi

AU - Todo, Sakae

AU - Torikai, Eiko

AU - Hayakawa, Kazunobu

PY - 1998/8

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N2 - The surface crystal structure of magnetite Fe3O4(110) was studied by low-energy electron diffraction (LEED). A clean surface was obtained after sputtering and annealing at 840 K. The clear LEED patterns show fractional order spots corresponding to a (3×1) surface reconstruction with missing spots. The missing spots indicate a glide plane symmetry of the (3×1) surface. Moreover, the LEED patterns have two-fold rotational symmetry, the surface structure should be p2mg-(3×1) or double domain of p1g1-(3×1). The same glide plane symmetry of the reconstructed surface structure and the ideal surface structure of Fe3O4(110) shows a strong relation between surface and bulk structures. We propose one possible model that corresponds to the p2mg-(3×1).

AB - The surface crystal structure of magnetite Fe3O4(110) was studied by low-energy electron diffraction (LEED). A clean surface was obtained after sputtering and annealing at 840 K. The clear LEED patterns show fractional order spots corresponding to a (3×1) surface reconstruction with missing spots. The missing spots indicate a glide plane symmetry of the (3×1) surface. Moreover, the LEED patterns have two-fold rotational symmetry, the surface structure should be p2mg-(3×1) or double domain of p1g1-(3×1). The same glide plane symmetry of the reconstructed surface structure and the ideal surface structure of Fe3O4(110) shows a strong relation between surface and bulk structures. We propose one possible model that corresponds to the p2mg-(3×1).

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