Analysis of the atomic geometries of the (101-0) and (112 -0) surfaces of CdSe by low-energy-electron diffraction and low-energy-positron diffraction

T. N. Horsky; G. R. Brandes; K. F. Canter; C. B. Duke; A. Paton; D. L. Lessor; Antoine Kahn; S. F. Horng; K. Stevens; K. Stiles; A. P. Mills

doi:10.1103/PhysRevB.46.7011

Analysis of the atomic geometries of the (101^-0) and (112 ^-0) surfaces of CdSe by low-energy-electron diffraction and low-energy-positron diffraction

T. N. Horsky, G. R. Brandes, K. F. Canter, C. B. Duke, A. Paton, D. L. Lessor, Antoine Kahn, S. F. Horng, K. Stevens, K. Stiles, A. P. Mills

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Abstract

The relaxed atomic geometries of the low-index cleavage surfaces of wurtzite-structure CdSe are determined via comparison of dynamical scattering calculations with measured low-energy-electron-diffraction (LEED) and low-energy-positron-diffraction (LEPD) intensities. Both surfaces are found to be relaxed in accordance with recently proposed geometries deduced from total-energy-minimization calculations. Since this analysis represents the use of LEPD for quantitative surface-structure determination, we discuss the experimental technique, the differences observed between LEPD and LEED, and the complementary nature of the two spectroscopies.

Original language	English (US)
Pages (from-to)	7011-7026
Number of pages	16
Journal	Physical Review B
Volume	46
Issue number	11
DOIs	https://doi.org/10.1103/PhysRevB.46.7011
State	Published - 1992

All Science Journal Classification (ASJC) codes

Condensed Matter Physics

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10.1103/PhysRevB.46.7011

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Horsky, T. N., Brandes, G. R., Canter, K. F., Duke, C. B., Paton, A., Lessor, D. L., Kahn, A., Horng, S. F., Stevens, K., Stiles, K., & Mills, A. P. (1992). Analysis of the atomic geometries of the (101^-0) and (112 ^-0) surfaces of CdSe by low-energy-electron diffraction and low-energy-positron diffraction. Physical Review B, 46(11), 7011-7026. https://doi.org/10.1103/PhysRevB.46.7011

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title = "Analysis of the atomic geometries of the (101-0) and (112 -0) surfaces of CdSe by low-energy-electron diffraction and low-energy-positron diffraction",

abstract = "The relaxed atomic geometries of the low-index cleavage surfaces of wurtzite-structure CdSe are determined via comparison of dynamical scattering calculations with measured low-energy-electron-diffraction (LEED) and low-energy-positron-diffraction (LEPD) intensities. Both surfaces are found to be relaxed in accordance with recently proposed geometries deduced from total-energy-minimization calculations. Since this analysis represents the use of LEPD for quantitative surface-structure determination, we discuss the experimental technique, the differences observed between LEPD and LEED, and the complementary nature of the two spectroscopies.",

author = "Horsky, {T. N.} and Brandes, {G. R.} and Canter, {K. F.} and Duke, {C. B.} and A. Paton and Lessor, {D. L.} and Antoine Kahn and Horng, {S. F.} and K. Stevens and K. Stiles and Mills, {A. P.}",

year = "1992",

doi = "10.1103/PhysRevB.46.7011",

language = "English (US)",

volume = "46",

pages = "7011--7026",

journal = "Physical Review B",

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publisher = "American Physical Society",

number = "11",

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Horsky, TN, Brandes, GR, Canter, KF, Duke, CB, Paton, A, Lessor, DL, Kahn, A, Horng, SF, Stevens, K, Stiles, K & Mills, AP 1992, 'Analysis of the atomic geometries of the (101^-0) and (112 ^-0) surfaces of CdSe by low-energy-electron diffraction and low-energy-positron diffraction', Physical Review B, vol. 46, no. 11, pp. 7011-7026. https://doi.org/10.1103/PhysRevB.46.7011

TY - JOUR

T1 - Analysis of the atomic geometries of the (101-0) and (112 -0) surfaces of CdSe by low-energy-electron diffraction and low-energy-positron diffraction

AU - Horsky, T. N.

AU - Brandes, G. R.

AU - Canter, K. F.

AU - Duke, C. B.

AU - Paton, A.

AU - Lessor, D. L.

AU - Kahn, Antoine

AU - Horng, S. F.

AU - Stevens, K.

AU - Stiles, K.

AU - Mills, A. P.

PY - 1992

Y1 - 1992

N2 - The relaxed atomic geometries of the low-index cleavage surfaces of wurtzite-structure CdSe are determined via comparison of dynamical scattering calculations with measured low-energy-electron-diffraction (LEED) and low-energy-positron-diffraction (LEPD) intensities. Both surfaces are found to be relaxed in accordance with recently proposed geometries deduced from total-energy-minimization calculations. Since this analysis represents the use of LEPD for quantitative surface-structure determination, we discuss the experimental technique, the differences observed between LEPD and LEED, and the complementary nature of the two spectroscopies.

AB - The relaxed atomic geometries of the low-index cleavage surfaces of wurtzite-structure CdSe are determined via comparison of dynamical scattering calculations with measured low-energy-electron-diffraction (LEED) and low-energy-positron-diffraction (LEPD) intensities. Both surfaces are found to be relaxed in accordance with recently proposed geometries deduced from total-energy-minimization calculations. Since this analysis represents the use of LEPD for quantitative surface-structure determination, we discuss the experimental technique, the differences observed between LEPD and LEED, and the complementary nature of the two spectroscopies.

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U2 - 10.1103/PhysRevB.46.7011

DO - 10.1103/PhysRevB.46.7011

M3 - Article

AN - SCOPUS:0000824377

SN - 0163-1829

VL - 46

SP - 7011

EP - 7026

JO - Physical Review B

JF - Physical Review B

IS - 11

ER -

Analysis of the atomic geometries of the (101^-0) and (112 ^-0) surfaces of CdSe by low-energy-electron diffraction and low-energy-positron diffraction

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