Skip to main content

29 Result(s)

within Applied and Technical Physics Remove this filter E. L. Venturini Remove this filter Article Remove this filter Materials Science Remove this filter

Page of 2 next disabled
and

  1. No Access

    Article

    Two-zone annealing of Tl0.5Pb0.5(Sr0.8Ba0.2)2Ca2Cu3Oy

    Stable conditions have been identified for two-zone processing of the superconducting thallium cuprate Tl0.5Pb0.5(Sr0.8Ba0.2)2Ca2Cu3Oy. With P(O2) of 0.8 atm, P(Tl2O) of 4.4 × 10−3 atm, and a sample temperature o...

    T. L. Aselage, E. L. Venturini, J. A. Voigt, D. L. Lamppa… in Journal of Materials Research (1994)

  2. No Access

    Article

    Magnetic Properties of Nanosize Iron Clusters

    Isolated, monodisperse α-Fe clusters between 1.4 and 15 nm in diameter were prepared inside inverse micelles using an oil-continuous, nonaqueous system. The magnetic properties of these clusters were studied i...

    E. L. Venturini, J. P. Wilcoxon, P. P. Newcomer in MRS Online Proceedings Library (1994)

  3. No Access

    Article

    Stability of the Tl-1223 phases

    The thermodynamic stability of TlBa2Ca2Cu3O9–y (1223) and substitutionally related phases has been studied by performing extended high-temperature anneals in a two-zone furnace. This approach allows for independe...

    T. L. Aselage, E. L. Venturini, J. A. Voigt, D. J. Miller in Journal of Materials Research (1996)

  4. No Access

    Article

    HRTEM of Extended Defects in TL-2212 Thin Films

    Many applications of high temperature superconductors, HTS, require the presence of lattice defects in the material structure to suppress the motion of magnetic vortices and enhance the critical current densit...

    P. P. Newcomer, E. L. Venturini, H. Schöne, B. L. Doyle… in MRS Online Proceedings Library (1996)

  5. No Access

    Article

    Synthesis and properties of Tl–Ba–Ca–Cu–O superconductors

    We review the synthesis methods and properties of single crystal, powder, and thin film TlBaCaCuO high-temperature superconducting (Tl-HTS) materials. With transition temperatures ≥ 100 K for several compounds...

    M. P. Siegal, E. L. Venturini, B. Morosin, T. L. Aselage in Journal of Materials Research (1997)

  6. No Access

    Article

    Correlation of Intermediate Ion Energy Induced Extended Defect Continuity to Enhanced Pinning Potential in Tl-2212 Films

    Lattice defects are introduced into the structure to suppress the motion of magnetic vortices and enhance the critical current density in high temperature superconductors. Point defects are not very effective ...

    P. Newcomer Provencio, E. L. Venturini, B. L. Doyle… in MRS Online Proceedings Library (1997)

  7. No Access

    Article

    A new hybrid two-zone/crucible furnace process for the growth of epitaxial Tl2Ba2CaCu2O8 superconducting films

    Epitaxial Tl2Ba2CaCu2O8 (Tl-2212) films ∼5500 Å thick are grown on LaAlO3(100) substrates using a new hybrid two-zone/crucible furnace process enabling precise control of thallination. This method combines the be...

    M. P. Siegal, D. L. Overmyer, E. L. Venturini… in Journal of Materials Research (1998)

  8. No Access

    Article

    Stability of Tl–Ba–Ca–Cu–O superconducting thin films

    We report the stability of TlBa2CaCu2O7 and Tl2Ba2CaCu2O8 on LaAlO3(100) epitaxial thin films, under a variety of conditions. All films are stable in acetone and methanol and with repeated thermal cycling to cryo...

    M. P. Siegal, D. L. Overmyer, E. L. Venturini… in Journal of Materials Research (1999)

  9. No Access

    Article

    Microscopic Study of Metal Hydrides Using Electron Spin Resonance

    Electron spin resonance (ESR) of dilute paramagnetic ions in nonmagnetic metallic hydrides provides microscopic information about the hydrogen ions in the immediate vicinity of the impurity. By comparing ESR s...

    E. L. Venturini in MRS Online Proceedings Library (2011)

Page of 2 next disabled