Growth of Ca{sub 2}MnO{sub 4} Ruddlesden-Popper structured thin films using combinatorial substrate epitaxy

Lacotte, M.; David, A.; Pravarthana, D.; Grygiel, C.; Rohrer, G. S.; Salvador, P. A.; Velazquez, M.; Kloe, R. de

doi:10.1063/1.4905012

Title: Growth of Ca{sub 2}MnO{sub 4} Ruddlesden-Popper structured thin films using combinatorial substrate epitaxy

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Abstract

The local epitaxial growth of pulsed laser deposited Ca{sub 2}MnO{sub 4} films on polycrystalline spark plasma sintered Sr{sub 2}TiO{sub 4} substrates was investigated to determine phase formation and preferred epitaxial orientation relationships (ORs) for isostructural Ruddlesden-Popper (RP) heteroepitaxy, further developing the high-throughput synthetic approach called Combinatorial Substrate Epitaxy (CSE). Both grazing incidence X-ray diffraction and electron backscatter diffraction patterns of the film and substrate were indexable as single-phase RP-structured compounds. The optimal growth temperature (between 650 °C and 800 °C) was found to be 750 °C using the maximum value of the average image quality of the backscattered diffraction patterns. Films grew in a grain-over-grain pattern such that each Ca{sub 2}MnO{sub 4} grain had a single OR with the Sr{sub 2}TiO{sub 4} grain on which it grew. Three primary ORs described 47 out of 49 grain pairs that covered nearly all of RP orientation space. The first OR, found for 20 of the 49, was the expected RP unit-cell over RP unit-cell OR, expressed as [100][001]{sub film}||[100][001]{sub sub}. The other two ORs were essentially rotated from the first by 90°, with one (observed for 17 of 49 pairs) being rotated about the [100] and the other (observed for 10 of 49 pairs) beingmore »« less

Authors:

Lacotte, M.; David, A.; Pravarthana, D.; Grygiel, C. ^[1]; Rohrer, G. S.; Salvador, P. A. ^[2]; Velazquez, M. ^[3]; Kloe, R. de ^[4]

Laboratoire CIMAP, CEA, CNRS UMR 6252, ENSICAEN, Université de Basse-Normandie, 6 Bd Maréchal Juin, F-14050 Caen Cedex 4 (France)
Department of Materials Science and Engineering, Carnegie Mellon University, 5000 Forbes Ave., Pittsburgh, Pennsylvania 15213 (United States)
CNRS, Université de Bordeaux, ICMCB, UPR 9048, F-33600 Pessac (France)
AMETEK B.V, EDAX Application Laboratory, Tilburg (Netherlands)

Publication Date:: Sun Dec 28 00:00:00 EST 2014

OSTI Identifier:: 22399188

Resource Type:: Journal Article

Journal Name:: Journal of Applied Physics

Additional Journal Information:: Journal Volume: 116; Journal Issue: 24; Other Information: (c) 2014 AIP Publishing LLC; Country of input: International Atomic Energy Agency (IAEA); Journal ID: ISSN 0021-8979

Country of Publication:: United States

Language:: English

Subject:: 36 MATERIALS SCIENCE; CALCIUM COMPOUNDS; CRYSTAL GROWTH; ELECTRON DIFFRACTION; EPITAXY; MANGANATES; ORIENTATION; POLYCRYSTALS; STRONTIUM TITANATES; SUBSTRATES; THIN FILMS; X-RAY DIFFRACTION

Citation Formats


                    Lacotte, M., David, A., Pravarthana, D., Prellier, W., E-mail: wilfrid.prellier@ensicaen.fr, Grygiel, C., Rohrer, G. S., Salvador, P. A., Velazquez, M., and Kloe, R. de. Growth of Ca{sub 2}MnO{sub 4} Ruddlesden-Popper structured thin films using combinatorial substrate epitaxy.  United States: N. p., 2014. 
        Web.  doi:10.1063/1.4905012.

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                    Lacotte, M., David, A., Pravarthana, D., Prellier, W., E-mail: wilfrid.prellier@ensicaen.fr, Grygiel, C., Rohrer, G. S., Salvador, P. A., Velazquez, M., & Kloe, R. de. Growth of Ca{sub 2}MnO{sub 4} Ruddlesden-Popper structured thin films using combinatorial substrate epitaxy.  United States.  https://doi.org/10.1063/1.4905012

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                    Lacotte, M., David, A., Pravarthana, D., Prellier, W., E-mail: wilfrid.prellier@ensicaen.fr, Grygiel, C., Rohrer, G. S., Salvador, P. A., Velazquez, M., and Kloe, R. de. 2014.  
        "Growth of Ca{sub 2}MnO{sub 4} Ruddlesden-Popper structured thin films using combinatorial substrate epitaxy".  United States.  https://doi.org/10.1063/1.4905012.

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@article{osti_22399188,

  title        = {Growth of Ca{sub 2}MnO{sub 4} Ruddlesden-Popper structured thin films using combinatorial substrate epitaxy},

  author       = {Lacotte, M. and David, A. and Pravarthana, D. and Prellier, W., E-mail: wilfrid.prellier@ensicaen.fr and Grygiel, C. and Rohrer, G. S. and Salvador, P. A. and Velazquez, M. and Kloe, R. de},

  abstractNote = {The local epitaxial growth of pulsed laser deposited Ca{sub 2}MnO{sub 4} films on polycrystalline spark plasma sintered Sr{sub 2}TiO{sub 4} substrates was investigated to determine phase formation and preferred epitaxial orientation relationships (ORs) for isostructural Ruddlesden-Popper (RP) heteroepitaxy, further developing the high-throughput synthetic approach called Combinatorial Substrate Epitaxy (CSE). Both grazing incidence X-ray diffraction and electron backscatter diffraction patterns of the film and substrate were indexable as single-phase RP-structured compounds. The optimal growth temperature (between 650 °C and 800 °C) was found to be 750 °C using the maximum value of the average image quality of the backscattered diffraction patterns. Films grew in a grain-over-grain pattern such that each Ca{sub 2}MnO{sub 4} grain had a single OR with the Sr{sub 2}TiO{sub 4} grain on which it grew. Three primary ORs described 47 out of 49 grain pairs that covered nearly all of RP orientation space. The first OR, found for 20 of the 49, was the expected RP unit-cell over RP unit-cell OR, expressed as [100][001]{sub film}||[100][001]{sub sub}. The other two ORs were essentially rotated from the first by 90°, with one (observed for 17 of 49 pairs) being rotated about the [100] and the other (observed for 10 of 49 pairs) being rotated about the [110] (and not exactly by 90°). These results indicate that only a small number of ORs are needed to describe isostructural RP heteroepitaxy and further demonstrate the potential of CSE in the design and growth of a wide range of complex functional oxides.},

  doi          = {10.1063/1.4905012},

  url          = {https://www.osti.gov/biblio/22399188},
  journal      = {Journal of Applied Physics},

  issn         = {0021-8979},

  number       = 24,

  volume       = 116,

  place        = {United States},

  year         = {Sun Dec 28 00:00:00 EST 2014},

  month        = {Sun Dec 28 00:00:00 EST 2014}

}

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