Index Catalog // ScholarsArchive@OSU

Growth, optical and magnetic behavior of YMn0.35In0.65O3 thin film

Creator:: Mangalam, R. V. K., Smith, Andrew E., Boudin, S., McLoughlin, C., Subramanian, M. A., and Prellier, W.
Abstract:: The growth of YMn₀.₃₅In₀.₆₅O₃ thin films and their optical and magnetic behavior are reported. The YMn₀.₃₅In₀.₆₅O₃ thin film grows along the (0001) orientation with hexagonal structure similar to YMnO₃ on c-plane sapphire. The film shows paramagnetic behavior in the temperature range measured. The film exhibits a blue color due to...
Resource Type:: Article
Full Text:: ://dx.doi.org/10.1063/1.4732131] Naturally occurring pigments such as iron oxides (yellow to red) and lapis

Substitutional Effects on the Electromechanical Properties of Lead-free, Piezoelectric (Na₀.₅Bi₀.₅)TiO₃-BaTiO₃ (NBT-BT)

Creator:: McQuade, Ryan R.
Abstract:: This work investigates the effect of cation substitution on the properties of the lead-free, solid solution (Na₀.₅Bi₀.₅)TiO₃-BaTiO₃ (NBT-BT). Substitution into NBT-BT increases disorder and increases the relaxor ferroelectric properties. These relaxor ferroelectric materials show large piezoelectric strains that can be utilized in actuator applications. Ceramic samples were prepared using standard...
Resource Type:: Dissertation

Transparent p-type conducting BaCu₂S₂ films

Creator:: Park, Sangmoon, Keszler, Douglas A., Valencia, Melinda M., Hoffman, Randy L., Bender, Jeffrey P., and Wager, John F.
Abstract:: p-type conducting films of α- BaCu₂S₂ have been deposited onto glass and KBr substrates, yielding a conductivity of 17 S/cm and a Hall mobility of 3.5 cm²/Vs. For a 430-nm-thick film, the optical transparency approaches 90% in the visible portion of the spectrum at 650 nm, and a transparency of...
Resource Type:: Article
Full Text:: Institute of Physics.@DOI: 10.1063/1.1485133# id el nd n ve ria e fig u y be - w m he r e pa ed ai ob ie

Dielectric and polarization experiments in high loss dielectrics: A word of caution

Creator:: Maglione, M. and Subramanian, M. A.
Abstract:: The recent quest for improved functional materials like high permittivity dielectrics and/or multiferroics has triggered an intense wave of research. Many materials have been checked for their dielectric permittivity or their polarization state. In this report, we call for caution when samples are simultaneously displaying an insulating behavior and a...
Resource Type:: Article
Full Text:: . �DOI: 10.1063/1.2949752� Among functional materials, oxides are heavily investi- gated because of

Unique Structural Properties and Motifs of Metal-Oxides from Solids to Clusters

Creator:: Malmberg, Christopher E.
Abstract:: In this dissertation, the structural properties, thermodynamics and defect behavior of amorphous metal oxides and polyoxometalates are studied. Amorphous metal oxides have many applications, most notably as a semiconducting material used as the active matrix of thin film transistors. Alas, the amorphous nature of these materials makes studying them rather...
Resource Type:: Dissertation

Tunable sideband laser from cascaded four-wave mixing in thin glass for ultra-broadband femtosecond stimulated Raman spectroscopy

Creator:: Zhu, Liangdong, Liu, Weimin, and Fang, Chong
Abstract:: We demonstrate the generation of broadband up-converted multicolor array (BUMA) in a thin BK7 glass slide using two noncollinear weak near-IR laser pulses with various crossing angles. The BUMA signal arises from cubic nonlinear χ⁽³⁾:χ⁽³⁾ processes via cascaded four-wave mixing of the two incident beams. Broad and continuous tunability of...
Resource Type:: Article
Full Text:: 2013 AIP Publishing LLC. [http://dx.doi.org/10.1063/1.4817915] Ultrafast spectroscopy is a powerful

Intensity oscillations in the carbon 1s ionization cross sections of 2-butyne

Creator:: Carroll, Thomas X., Zahl, Maria G., Børve, Knut J., Sæthre, Leif J., Decleva, Piero, Ponzi, Aurora, Kas, Joshua J., Vila, Fernando D., Rehr, John J., and Thomas, T. Darrah
Abstract:: Carbon 1s photoelectron spectra for 2-butyne (CH3C CCH3) measured in the photon energy range from threshold to 150 eV above threshold show oscillations in the intensity ratio C2,3/C1,4. Similar oscillations have been seen in chloroethanes, where the effect has been attributed to EXAFS-type scattering from the substituent chlorine atoms. In...
Resource Type:: Article
Full Text:: LLC. [http://dx.doi.org/10.1063/1.4810870] INTRODUCTION In simplest approximation, the cross section

Effect of oxygen concentration on the structural and magnetic properties of LaRh₁/₂Mn₁/₂O₃ thin films

Creator:: Sheets, W. C., Smith, A. E., Subramanian, M. A., and Prellier, W.
Abstract:: Epitaxial LaRh₁/₂Mn₁/₂O₃ thin films have been grown on (001)-oriented LaAlO₃ and SrTiO₃ substrates using pulsed laser deposition. The optimized thin film samples are semiconducting and ferromagnetic with a Curie temperature close to 100 K, a coercive field of 1200 Oe, and a saturation magnetization of 1.7μB per formula unit. The...
Resource Type:: Article

Zero kinetic energy photoelectron spectroscopy of jet cooled benzo[a]pyrene from resonantly enhanced multiphoton ionization

Creator:: Zhang, Jie, Harthcock, Colin, Han, Fangyuan, and Kong, Wei
Abstract:: We report zero kinetic energy (ZEKE) photoelectron spectroscopy of benzo[a]pyrene (BaP) via resonantly enhanced multiphoton ionization (REMPI). Our analysis concentrates on the vibrational modes of the first excited state (S₁) and those of the ground cationic state (D₀). Similar to pyrene, another peri-condensed polycyclic aromatic hydrocarbon we have investigated, the...
Resource Type:: Article
Full Text:: American Institute of Physics. [doi:10.1063/1.3672161] INTRODUCTION Polycyclic aromatic hydrocarbons

Synthesis and characterization of aluminum oxide based materials - from molecule to device

Creator:: Wang, Wei
Abstract:: A scalable synthesis of the "flat" tridecameric inorganic cluster [Al₁₃(μ₃-OH)₆(μ-OH)₁₈(H₂O)₂₄]¹⁵⁺ has been realized by treating an aqueous aluminum nitrate solution with zinc-metal powder at room temperature. Single crystals and polycrystalline samples are readily obtained in yields exceeding 55% relative to the starting reagent Al(NO₃)₃. Products have been characterized by X-ray...
Resource Type:: Dissertation

ScholarsArchive@OSU

Growth, optical and magnetic behavior of YMn0.35In0.65O3 thin film

Substitutional Effects on the Electromechanical Properties of Lead-free, Piezoelectric (Na₀.₅Bi₀.₅)TiO₃-BaTiO₃ (NBT-BT)

Transparent p-type conducting BaCu₂S₂ films

Dielectric and polarization experiments in high loss dielectrics: A word of caution

Unique Structural Properties and Motifs of Metal-Oxides from Solids to Clusters

Tunable sideband laser from cascaded four-wave mixing in thin glass for ultra-broadband femtosecond stimulated Raman spectroscopy

Intensity oscillations in the carbon 1s ionization cross sections of 2-butyne

Effect of oxygen concentration on the structural and magnetic properties of LaRh₁/₂Mn₁/₂O₃ thin films

Zero kinetic energy photoelectron spectroscopy of jet cooled benzo[a]pyrene from resonantly enhanced multiphoton ionization

Synthesis and characterization of aluminum oxide based materials - from molecule to device

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