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Full-Text Articles in Physical Sciences and Mathematics
Classical Transport In Disordered Systems, Antonios Papaioannou
Classical Transport In Disordered Systems, Antonios Papaioannou
Dissertations, Theses, and Capstone Projects
This thesis reports on the manifestation of structural disorder on molecular transport and it consists of two parts. Part I discusses the relations between classical transport and the underlying structural complexity of the system. Both types of molecular diffusion, namely Gaussian and non-Gaussian are presented and the relevant time regimes are discussed. In addition the concept of structural universality is introduced and connected with the diffusion metrics. One of the most robust techniques for measuring molecular mean square displacements is magnetic resonance. This method requires encoding and subsequently reading out after an experimentally controlled time, a phase ϕ to the …
Novel Electrolytes For Use In New And Improved Batteries: An Nmr Study, Marc B. Berman
Novel Electrolytes For Use In New And Improved Batteries: An Nmr Study, Marc B. Berman
Dissertations, Theses, and Capstone Projects
This thesis focuses on the use of nuclear magnetic resonance (NMR) spectroscopy in order to study materials for use as electrolytes in batteries. The details of four projects are described in this thesis as well as a brief theoretical background of NMR. Structural and dynamics properties were determined using several NMR techniques such as static, MAS, PFG diffusion, and relaxation to understand microscopic and macroscopic properties of the materials described within. Nuclei investigate were 1H, 2H, 7Li, 13C, 19F, 23Na, and 27Al. The first project focuses on an exciting new material to be used as a solid electrolyte membrane. T. …