Surface reconstruction of hexagonal Y-doped HoMnO3 and LuMnO3 studied using low-energy electron diffraction

R. Vasić; J. T. Sadowski; Y. J. Choi; H. D. Zhou; C. R. Wiebe; S. W. Cheong; J. E. Rowe; M. D. Ulrich

doi:10.1103/PhysRevB.81.165417

Surface reconstruction of hexagonal Y-doped HoMnO₃ and LuMnO₃ studied using low-energy electron diffraction

R. Vasić, J. T. Sadowski, Y. J. Choi, H. D. Zhou, C. R. Wiebe, S. W. Cheong, J. E. Rowe, M. D. Ulrich

Department of Physics

Research output: Contribution to journal › Article

1 Citation (Scopus)

Abstract

We have investigated the (0001) surfaces of several hexagonal manganite perovskites by low-energy electron diffraction (LEED) in order to determine if the surface periodicity is different from that of the bulk materials. These LEED studies were conducted using near-normal incidence geometry with a low energy electron microscope (LEEM)/LEED apparatus from room temperature to 1200°C and with an electron energy in the range of 15-50 eV. Diffraction patterns showed features of bulk-terminated periodicity as well as a 2×2 surface reconstruction. Possible origins for this surface reconstruction structure are discussed and comparisons are made with surface studies of other complex oxides.

Original language	English
Article number	165417
Journal	Physical Review B - Condensed Matter and Materials Physics
Volume	81
Issue number	16
DOIs	https://doi.org/10.1103/PhysRevB.81.165417
Publication status	Published - 2010 Apr 9

All Science Journal Classification (ASJC) codes

Electronic, Optical and Magnetic Materials
Condensed Matter Physics

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Vasić, R., Sadowski, J. T., Choi, Y. J., Zhou, H. D., Wiebe, C. R., Cheong, S. W., Rowe, J. E., & Ulrich, M. D. (2010). Surface reconstruction of hexagonal Y-doped HoMnO₃ and LuMnO₃ studied using low-energy electron diffraction. Physical Review B - Condensed Matter and Materials Physics, 81(16), [165417]. https://doi.org/10.1103/PhysRevB.81.165417

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title = "Surface reconstruction of hexagonal Y-doped HoMnO3 and LuMnO3 studied using low-energy electron diffraction",

abstract = "We have investigated the (0001) surfaces of several hexagonal manganite perovskites by low-energy electron diffraction (LEED) in order to determine if the surface periodicity is different from that of the bulk materials. These LEED studies were conducted using near-normal incidence geometry with a low energy electron microscope (LEEM)/LEED apparatus from room temperature to 1200°C and with an electron energy in the range of 15-50 eV. Diffraction patterns showed features of bulk-terminated periodicity as well as a 2×2 surface reconstruction. Possible origins for this surface reconstruction structure are discussed and comparisons are made with surface studies of other complex oxides.",

author = "R. Vasi{\'c} and Sadowski, {J. T.} and Choi, {Y. J.} and Zhou, {H. D.} and Wiebe, {C. R.} and Cheong, {S. W.} and Rowe, {J. E.} and Ulrich, {M. D.}",

year = "2010",

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day = "9",

doi = "10.1103/PhysRevB.81.165417",

language = "English",

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Surface reconstruction of hexagonal Y-doped HoMnO₃ and LuMnO₃ studied using low-energy electron diffraction. / Vasić, R.; Sadowski, J. T.; Choi, Y. J.; Zhou, H. D.; Wiebe, C. R.; Cheong, S. W.; Rowe, J. E.; Ulrich, M. D.

In: Physical Review B - Condensed Matter and Materials Physics, Vol. 81, No. 16, 165417, 09.04.2010.

Research output: Contribution to journal › Article

TY - JOUR

T1 - Surface reconstruction of hexagonal Y-doped HoMnO3 and LuMnO3 studied using low-energy electron diffraction

AU - Vasić, R.

AU - Sadowski, J. T.

AU - Choi, Y. J.

AU - Zhou, H. D.

AU - Wiebe, C. R.

AU - Cheong, S. W.

AU - Rowe, J. E.

AU - Ulrich, M. D.

PY - 2010/4/9

Y1 - 2010/4/9

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AB - We have investigated the (0001) surfaces of several hexagonal manganite perovskites by low-energy electron diffraction (LEED) in order to determine if the surface periodicity is different from that of the bulk materials. These LEED studies were conducted using near-normal incidence geometry with a low energy electron microscope (LEEM)/LEED apparatus from room temperature to 1200°C and with an electron energy in the range of 15-50 eV. Diffraction patterns showed features of bulk-terminated periodicity as well as a 2×2 surface reconstruction. Possible origins for this surface reconstruction structure are discussed and comparisons are made with surface studies of other complex oxides.

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