Search for dissertations about: "VIBRATIONAL STRUCTURE"

Showing result 1 - 5 of 153 swedish dissertations containing the words VIBRATIONAL STRUCTURE.

  2. 1. Structure-Specific Vibrational Modes of Isolated Biomolecules Studied with Mid- and Far-Infrared Laser Spectroscopy

    Author : Vasyl Yatsyna; Göteborgs universitet; []
    Keywords : NATURVETENSKAP; NATURAL SCIENCES; NATURVETENSKAP; NATURAL SCIENCES; far-infrared gas-phase spectroscopy; conformers; vibrational anharmonicity; infrared multiple photon dissociation; peptide structure; folded and extended peptides; hydrogen bonding;

    Abstract : Biomolecular structure elucidation is crucial for our detailed understanding of various biological processes, since there is an intimate relationship between the biomolecular function and structure. In this respect, isolated biomolecules, despite being outside of their natural environment, are perfect model systems for in-depth studies of various fundamental interactions that govern the formation of biomolecular structure. READ MORE

  4. 2. Computational studies on 2D and 3D amorphous solids : Investigation of structure-property relationship

    Author : Emel Gürbüz; Biplab Sanyal; Andreas Larsson; Uppsala universitet; []
    Keywords : NATURVETENSKAP; NATURAL SCIENCES; Amorphous solids; Metallic glasses; Classical molecular dynamics simulations; Thermal transport; Density functional theory; 2D glasses; Vibrational properties; Magnetism; Optical properties;

    Abstract : Amorphous materials represent a large and diverse family, with many questions still remaining unanswered regarding their structure-property relationship. The structural complexity of these materials poses challenges for simulations in contrast to crystalline materials where density func­tional theory (DFT) can be used easily by exploiting the translation symmetry. READ MORE

  5. 3. Structure and Dynamics in Transition Metal Perovskites — An Optical Spectroscopy Study

    Author : Johan Bielecki; Chalmers tekniska högskola; []
    Keywords : NATURVETENSKAP; NATURAL SCIENCES; multiferroics; colossal magnetoresistance; magnetism; proton-conduction; spin-state transition; structure; Ultrafast spectroscopy; high temperature superconductivity; dynamics; Raman;

    Abstract : Transition metal oxides with the perovskite structure exhibit a vast number of exotic properties due to the large number of competing degrees of freedom at the Fermi surface. Together with couplings between and correlations within these degrees of freedom, this class of materials is of high interest from both a practical and theoretical point of view. READ MORE

  6. 4. Local structure and dynamics of proton and hydride-ion conducting perovskite type oxides

    Author : Laura Mazzei; Chalmers tekniska högskola; []
    Keywords : NATURVETENSKAP; NATURAL SCIENCES; NATURVETENSKAP; NATURAL SCIENCES; TEKNIK OCH TEKNOLOGIER; ENGINEERING AND TECHNOLOGY; NATURVETENSKAP; NATURAL SCIENCES; hydrogen; local coordination; vibrational dynamics; neutron scattering; vibrational spectroscopy; thin films; Perovskite oxides;

    Abstract : Proton and hydride-ion conducting oxides show potential for application in several technological devices, such as solid oxide fuel cells and batteries. However, fundamental properties pertaining to the local structure and conduction mechanisms in these materials are unclear. READ MORE

  7. 5. Coadsorption of hydrogen and carbon monoxide on Ni(100) studied by vibrational spectroscopy and diffraction

    Author : Lennart Jönsson; Chalmers tekniska högskola; []
    Keywords : NATURVETENSKAP; NATURAL SCIENCES; vibration; carbon monoxide; structure; electron energy loss spectroscopy; hydrogen; Ni 100 ;

    Abstract : .... READ MORE