SrCuO2/(Sr,Ca)CuO2 superlattice growth by pulsed-laser deposition

D. P. Norton; J. D. Budai; D. H. Lowndes; B. C. Chakoumakos

doi:10.1063/1.112519

SrCuO₂/(Sr,Ca)CuO₂ superlattice growth by pulsed-laser deposition

D. P. Norton, J. D. Budai, D. H. Lowndes, B. C. Chakoumakos

Single Crystal Diffraction

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Abstract

Superlattice structures, consisting of SrCuO₂ and (Sr,Ca)CuO₂ layers in the tetragonal, "infinite layer" crystal structure, have been grown by pulsed-laser deposition. Superlattice chemical modulation is observed for structures with SrCuO₂ and (Sr,Ca)CuO ₂ layers as thin as a single unit cell (∼3.4 Å). X-ray diffraction intensity oscillations, due to the finite thickness of the film, indicate that these films are extremely flat with a thickness variation of only ∼20 Å over a length scale of several thousand angstroms. These results show that unit-cell control of (Sr,Ca)CuO₂ growth is possible in an oxygen pressure regime in which in situ surface analysis is not possible.

Original language	English
Pages (from-to)	2869-2871
Number of pages	3
Journal	Applied Physics Letters
Volume	65
Issue number	22
DOIs	https://doi.org/10.1063/1.112519
State	Published - 1994

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title = "SrCuO2/(Sr,Ca)CuO2 superlattice growth by pulsed-laser deposition",

abstract = "Superlattice structures, consisting of SrCuO2 and (Sr,Ca)CuO2 layers in the tetragonal, {"}infinite layer{"} crystal structure, have been grown by pulsed-laser deposition. Superlattice chemical modulation is observed for structures with SrCuO2 and (Sr,Ca)CuO 2 layers as thin as a single unit cell (∼3.4 {\AA}). X-ray diffraction intensity oscillations, due to the finite thickness of the film, indicate that these films are extremely flat with a thickness variation of only ∼20 {\AA} over a length scale of several thousand angstroms. These results show that unit-cell control of (Sr,Ca)CuO2 growth is possible in an oxygen pressure regime in which in situ surface analysis is not possible.",

author = "Norton, {D. P.} and Budai, {J. D.} and Lowndes, {D. H.} and Chakoumakos, {B. C.}",

year = "1994",

doi = "10.1063/1.112519",

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pages = "2869--2871",

journal = "Applied Physics Letters",

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T1 - SrCuO2/(Sr,Ca)CuO2 superlattice growth by pulsed-laser deposition

AU - Norton, D. P.

AU - Budai, J. D.

AU - Lowndes, D. H.

AU - Chakoumakos, B. C.

PY - 1994

Y1 - 1994

N2 - Superlattice structures, consisting of SrCuO2 and (Sr,Ca)CuO2 layers in the tetragonal, "infinite layer" crystal structure, have been grown by pulsed-laser deposition. Superlattice chemical modulation is observed for structures with SrCuO2 and (Sr,Ca)CuO 2 layers as thin as a single unit cell (∼3.4 Å). X-ray diffraction intensity oscillations, due to the finite thickness of the film, indicate that these films are extremely flat with a thickness variation of only ∼20 Å over a length scale of several thousand angstroms. These results show that unit-cell control of (Sr,Ca)CuO2 growth is possible in an oxygen pressure regime in which in situ surface analysis is not possible.

AB - Superlattice structures, consisting of SrCuO2 and (Sr,Ca)CuO2 layers in the tetragonal, "infinite layer" crystal structure, have been grown by pulsed-laser deposition. Superlattice chemical modulation is observed for structures with SrCuO2 and (Sr,Ca)CuO 2 layers as thin as a single unit cell (∼3.4 Å). X-ray diffraction intensity oscillations, due to the finite thickness of the film, indicate that these films are extremely flat with a thickness variation of only ∼20 Å over a length scale of several thousand angstroms. These results show that unit-cell control of (Sr,Ca)CuO2 growth is possible in an oxygen pressure regime in which in situ surface analysis is not possible.

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VL - 65

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EP - 2871

JO - Applied Physics Letters

JF - Applied Physics Letters

IS - 22

ER -

SrCuO₂/(Sr,Ca)CuO₂ superlattice growth by pulsed-laser deposition

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