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  1. No Access

    Article

    Structure and Morphology of Epitaxially Intergrown (100)- and (116)-Oriented SrBi2Ta2O9 Ferroelectric Thin Films on SrLaGaO4(110) Substrates

    SrBi2Ta2O9 (SBT) epitaxial thin films having a mix of (100) and (116) orientations have been grown on SrLaGaO4(110) by pulsed laser deposition. X-ray diffraction θ2 θ and pole figure scans, and cross-sectional tr...

    H. N. Lee, D. N. Zakharov, P. Reiche, R. Uecker, D. Hesse in MRS Online Proceedings Library (2011)

  2. No Access

    Article

    Initial Growth Stages of Epitaxial BaTiO3 Films on Vicinal SrTiO3:Nb (001) Substrates

    The growth mechanism of epitaxial BaTiO3 films on vicinal Nb-doped SrTiO3 (SrTiO3:Nb) (001) substrate surfaces was studied in terms of surface morphology, crystalline orientation, microstructure, and film/substra...

    A. Visinoiu, M. Alexe, H. N. Lee, D. N. Zakharov… in MRS Online Proceedings Library (2011)

  3. No Access

    Article

    Light Scattering from Pulsed Laser Deposited BaBi4Ti4O15 Thin Films

    Light scattering investigations are carried out on BaBi4Ti4O15 (BBiT) which is a member of the Bi-layer structure ferroelectric oxide with n = 4. The BBiT thin films, thickness ~ 300 nm, were grown on epitaxial c...

    R. K. Soni, Anju Dixit, R. S. Katiyar, A. Pignolet… in MRS Online Proceedings Library (2011)

  4. No Access

    Article

    Lattice Defects in Epitaxial Ba2Bi4Ti5O18 Thin Films Grown by Pulsed Laser Deposition Onto LaNiO3 Bottom Electrodes

    Epitaxial, ferroelectric Ba2Bi4Ti5O18 films grown on LaNiO3/CeO2/ZrO2:Y2O3 epitaxial layers on Si(100) are investigated by cross-section high-resolution transmission electron microscopy (HRTEM). The films are per...

    N. D. Zakharov, A. R. James, A. Pignolet, S. Senz… in MRS Online Proceedings Library (2011)

  5. Article

    Open Access

    Influence of interface structure on mass transport in phase boundaries between different ionic materials

    Internal and external interfaces in solids exhibit completely different transport properties compared to the bulk. Transport parallel to grain or phase boundaries is usually strongly enhanced. Transport perpen...

    Carsten Korte, N. Schichtel, D. Hesse… in Monatshefte für Chemie - Chemical Monthly (2009)

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  6. No Access

    Article

    Compositionally Asymmetric Tri-Color Superlattices Grown by Pulsed Laser Deposition

    Compositionally asymmetric tri-color superlattices (TCS) with a combination of BaTiO3/SrTiO3/CaTiO3 have been grown by pulsed laser deposition (PLD) on atomically-flat SrRuO3-covered (001) SrTiO3 substrates. Cond...

    H. N. Lee, H. M. Christen, C. M. Rouleau, S. Senz… in MRS Online Proceedings Library (2004)

  7. No Access

    Article

    Investigations of Mesoscopic Ferroelectric Structures Prepared by Imprint Lithography

    Arrays of mesoscopic ferroelectric PZT structures with lateral sizes from several micrometers down to below 300 nm were prepared applying nanoimprint lithography. The ferroelectric properties of the mesoscopic...

    C. Harnagea, M. Alexe, J. Schilling, R. B. Wehrspohn… in MRS Online Proceedings Library (2003)

  8. No Access

    Article

    Microstructure and dielectric properties of epitaxial BaTiO3 films and BaTiO3/SrTiO3 multilayers

    Epitaxial BaTiO3 films and BaTiO3/SrTiO3 multilayers were grown by pulsed laser deposition (PLD) on (001)-oriented Nb-doped SrTiO3 (SrTiO3:Nb) substrates. Measurements of the dielectric properties were performed ...

    A. Visinoiu, R. Scholz, M. Alexe, D. Hesse in MRS Online Proceedings Library (2003)

  9. No Access

    Article

    Growth, Structure, and Properties of Uniformlya-Axis Oriented Ferroelectric Bi3.25La0.75Ti3O12 Thin Films on Si(100) Substrates

    Uniformlya-axis-oriented, epitaxially twinned Bi3.25La0.75Ti3O12 (BLT) thin films having the major spontaneous polarization entirely along the film normal were grown by pulsed laser deposition on yttria-stabilize...

    D. Hesse, H. N. Lee, N. D. Zakharov, U. Gösele in MRS Online Proceedings Library (2003)

  10. No Access

    Article

    Growth, Structure, and Properties of Uniformly a-Axis Oriented Ferroelectric Bi3.25La0.75Ti3O12 Thin Films on Si(100) Substrates

    Uniformly a-axis-oriented, epitaxially twinned Bi3.25La0.75Ti3O12 (BLT) thin films having the major spontaneous polarization entirely along the film normal were grown by pulsed laser deposition on yttria-stabiliz...

    D. Hesse, H. N. Lee, N. D. Zakharov, U. Gösele in MRS Online Proceedings Library (2003)

  11. No Access

    Article

    High-temperature oxidation of CoGa: Influence of the crystallographic orientation on the oxidation rate

    The crystallographic orientation plays an important role in high-temperature oxidation of the intermetallic compound CoGa. When CoGa is exposed to air at elevated temperatures, the oxide β–Ga2O3 is formed, and di...

    U. Koops, D. Hesse, M. Martin in Journal of Materials Research (2002)

  12. No Access

    Article

    Direct Comparison of Structural and Electrical Properties of Epitaxial (001)-, (116)-, and (103)-Oriented SrBi2Ta2O9 Thin Films on SrTiO3 and Silicon Substrates

    Anisotropies of the properties of the bismuth-layered perovskite SrBi2Ta2O9 (SBT) have been investigated using epitaxial thin films grown by pulsed laser deposition both on conducting Nb-doped SrTiO3 (STO) single...

    H. N. Lee, A. Pignolet, S. Senz, C. Harnagea, D. Hesse in MRS Online Proceedings Library (2000)

  13. No Access

    Article

    Misfit Accommodation Mechanisms at Moving Reaction Fronts During the Initial Growth Stage of La2Zr2O7-based Pyrochlore on (001)YSZ

    La2Zr2O7-based pyrochlore (LZO) islands were grown on (001)-oriented Y2O3-stabilized ZrO2 (YSZ) single crystal surfaces by the reaction between the crystals and a La2O3 vapour. The islands are epitaxial with a sm...

    C. J. Lu, S. Senz, D. Hesse in MRS Online Proceedings Library (2000)

  14. No Access

    Article

    Domain Imaging, Polarization Hysteresis, and Switching in Nano-Size Ferroelectric Structures

    A fundamental issue in the physics of ferroelectric memories and piezoelectric devices is to study how their properties scale with the size of the ferroelectric structure. In this work we present results conce...

    C. Harnagea, A. Pignolet, M. Alexe, D. Hesse, U. Gösele in MRS Online Proceedings Library (1999)

  15. No Access

    Article

    Microstructure of YBCO and YBCO/SrTiO3/YBCO* PLD Thin Films on Sapphire for Microwave Applications

    A large-area pulsed laser deposition process for high-quality YBa2Cu3O7−δ (YBCO) thin films on both sides of R-plane sapphire substrates with CeO2 buffer layer is used routinely to optimize planar microwave filte...

    M. Lorenz, H. Hochmuth, D. Natusch, T. Thärigen… in MRS Online Proceedings Library (1999)

  16. No Access

    Article

    Structure — Property Relationships of Thin Films of Epitaxial Ferroelectric Bismuth-Layered Perovskites with Even and Odd Aurivillius’ Parameters

    Thin films of bismuth-layered perovskites with the generic formula (Bi2O2)2+(An- 1BnO3n+1)2- with an even Aurivillius’ parametern like SrBi2Ta2O9 (n = 2) and BaBi4Ti4O15 (n= 4) and with an odd Aurivillius’ parame...

    A. Pignolet, C. Harnagea, A. R. James, S. Senz… in MRS Online Proceedings Library (1999)

  17. No Access

    Article

    Lattice Defects in SrRuO3 Thin Films and Their Contribution to film Resistivity

    Lattice defects present in PLD-grown, epitaxial SrRuO3 thin films on (001) SrTiO3 substrates are analyzed by high resolution transmission electron microscopy (HRTEM). Before the preparation of TEM samples, the el...

    N. D. Zakharov, K. M. Satyalakshmi, G. Koren, D. Hesse in MRS Online Proceedings Library (1999)

  18. No Access

    Article

    Substrate temperature dependence of structure and resistivity of SrRuO3 thin films grown by pulsed laser deposition on (100) SrTiO3

    The resistivity of SrRuO3 thin films on (001) SrTiO3 substrates grown at different temperatures by pulsed laser deposition is correlated to the microstructure. Films grown at 775 °C are of an orthorhombic structu...

    N. D. Zakharov, K. M. Satyalakshmi, G. Koren, D. Hesse in Journal of Materials Research (1999)

  19. No Access

    Article

    Atomic-Scale Structure and Properties of Thin Epitaxial SrRuO3 Films Grown on SrTiO3 (100) by Pulsed Laser Deposition

    Transition metal oxides with perovskite structure exhibit a wide range of electrical properties. SrRuO3 (SRO), a perovskite oxide with high conductivity, finds applications as an electrode layer in ferroelectric ...

    K. M. Satyalakshmi, N. D. Zakharov, D. Hesse, G. Koren in MRS Online Proceedings Library (1998)

  20. No Access

    Article

    All Epitaxial Babi4Ti4O15 - LaNiO3 Heterostructures

    Bismuth-based layer-structured ferroelectric oxides are gaining much attention for ferroelectric thin film applications due to their low fatigue. Epitaxial thin films of these layered ferroelectric oxides grow...

    K. M. Satyalakshmi, A. Pignolet, M. Alexe, N. D. Zakharov… in MRS Online Proceedings Library (1998)

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