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  • Time-of-flight scattering and recoil spectrometry (TOF-SARS) applied to molecular liquid surfaces : a new approach to surface composition and orientation

    Creator:
    Gannon, Thomas J.
    Abstract:
    In spite of their importance in many systems, liquid surfaces have been explored at the microscopic level to a much lesser extent than solids. Most surface analysis must take place in vacuum, a major drawback for liquids. The technique of time-of-flight scattering and recoil spectrometry (TOF-SARS) has been applied to...
    Resource Type:
    Dissertation
    Full Text:
    . TABLE OF CONTENTS 1. INTRODUCTION

  • Surface composition and orientation of room temperature ionic liquids

    Creator:
    Law, George
    Abstract:
    In this thesis, we investigated the surface composition and orientation of both pure room-temperature ionic liquids (Ils) and binary mixtures of the ILs of the type consisting of the 1-alkyl-3-methylimidazolium ([C[subscropt n]mim]⁺, n=4, 8, and 12) cation coupled with either [PF₆]⁻, [BF₄]⁻, [Cl]⁻, or [Br]⁻. The surfaces of the ILs...
    Resource Type:
    Dissertation
    Full Text:
    , the effects of systematic variations of the Redacted for Privacy cation size (the length of the 1

  • Negative thermal expansion in AOMO₄ compounds

    Creator:
    Amos, Tammy G.
    Resource Type:
    Dissertation
    Full Text:
    ............................................................................... 64 Table of Contents (Continued) 3. Phase Transition in Monoclinic NbOPO4

  • Intercalation, exfoliation, and nanocomposites of layered inorganic compounds

    Creator:
    Sukpirom, Nipaka
    Abstract:
    The melt intercalation of poly(ethylene oxide) (PEO) between layers of MoO₃ and MPS3 (M=Mn,Cd) is obtained by heating the ground mixture and LiₓMoO₃, KₓMn₁-ₓ/₂PS₃, or KCd₁-ₓ/₂PS₃. The products are characterized by powder X-ray diffraction (XRD). Below the melting temperature of PEO (66 °C), intercalation rates and yields are low. By...
    Resource Type:
    Dissertation
    Full Text:
    intercalation research. TABLE OF CONTENTS 1. Introduction

  • Preparation and Properties of Porous Carbon Materials

    Creator:
    Xing, Zhenyu
    Abstract:
    Porous carbon is indispensable in modern technology applications. It is used for energy storage, gas separation, water purification, catalyst support, and chromatography. The diversity of its applications stems from its unique properties, including high specific surface area, tunable pore volume, and chemical stability. Specifically, the large surface area provides high...
    Resource Type:
    Dissertation
    Full Text:
    devoted to revealing the pore size or surface area changes during the activation, such as volume of

  • Photoelectron spectroscopy of small molecules

    Creator:
    Bomben, Kenneth D.
    Abstract:
    The photoelectron spectra of a series of halogenated molecules have been investigated in the gas phase. Both core-ionization energies and Auger kinetic energies were measured to probe the nature of the interaction that holds a core electron to the molecule. It was found that satellite structure (shake) could be used...
    Resource Type:
    Dissertation
    Full Text:
    relaxation energy by means of the Auger parameter was found to yield information on the nature of

  • Fundamental Studies of the Structure-Property Correlations of Na-ion and K-ion Storage in Non-Graphitic Carbon

    Creator:
    Li, Zhifei
    Abstract:
    Grid-scale energy storage systems are urgently needed to increase the flexibility and rigidity of the grid for modern society and take full advantage of the renewable green energy resources such as solar energy and wind energy. Na-ion batteries (NIBs) and K-ion batteries (KIBs) have been emerged as one of the...
    Resource Type:
    Dissertation
    Full Text:
    , which increases its reversible capacity from 283 to 359 mAh/g. We observe the interlayer d-spacing of

  • Reaction Pathways of Oxo-Hydroxo Group 5 Clusters to Metal Oxide Thin Films

    Creator:
    Mansergh, Ryan H.
    Abstract:
    Oxo-hydroxo Group 5 metal clusters are an untapped resource to study and advance aqueous solution processing of metal oxide thin films. The tetramethylammonium (TMA) hexatantalate salt (TMA6[H2Ta6O19]) yields dense Ta2O5 films (~95% of the bulk ß-Ta2O5 density) with atomically smooth surfaces (<4 Å root mean square surface roughness). This same...
    Resource Type:
    Dissertation
    Full Text:
    . TABLE OF CONTENTS Page Chapter 1: INTRODUCTION TO USING POLYOXOMETLATES FOR THE AQUEOUS SOLUTION

  • Determination of Reaction Product Cross Sections in the ¹³⁶Xe + ²⁰⁸Pb Multi-nucleon Transfer Reaction at E[subscript cm] = 450 MeV

    Creator:
    Barrett, J. Spencer
    Abstract:
    The yields of 235 projectile-like and target-like fragments from the interaction of ¹³⁶Xe with a thick target of ²⁰⁸Pb at a center-of-mass energy, E[subscript cm], of 450 MeV were measured using γ-γ-γ coincidence data from Gammasphere and off-line γ-ray spectroscopy. The results give an expansive picture of the production cross...
    Resource Type:
    Dissertation
    Full Text:
    did this. I love you. TABLE OF CONTENTS Page 1 INTRODUCTION

  • Nonlinear Raman spectroscopy of gases

    Creator:
    Lundeen, Thomas F.
    Abstract:
    Applications of several methods of coherent nonlinear Raman Spectroscopy have been made in this thesis research. The theory and potential of one of these, Photoacoustic Raman Spectroscopy (PARS), is discussed in chapter two. Experimental results are presented which illustrate the sensitivity of this method and establish sampling conditions for maximum...
    Resource Type:
    Dissertation
    Full Text:
    privacy TABLE OF CONTENTS 1. Introduction to Nonlinear Spectroscopy 1 1. Introduction 1 2