Sökning: "phonon glass-electron crystal"

Hittade 3 avhandlingar innehållade orden phonon glass-electron crystal.

  1. 1. New Materials for Environmental Applications:Thermoelectrics and Low-Temperature Oxidation Catalysts

    Författare :Ali Saramat; Chalmers tekniska högskola; []
    Nyckelord :TEKNIK OCH TEKNOLOGIER; ENGINEERING AND TECHNOLOGY; selective oxidation; Czochralski; YMn4Al8; clathrate; heterogeneous catalysis; thermoelectricity; noble metals; mesoporous; phonon glass-electron crystal; figure-of-merit ZT ;

    Sammanfattning : New materials have been researched for environmental applications as thermoelectrics and low-temperature oxidation catalysts. One of the main objectives of this thesis was to prepare and characterize new efficient thermoelectric materials (TM’s). LÄS MER

  3. 2. Synthesis of Nanostructured Thermoelectric Materials

    Författare :Ali Saramat; Chalmers tekniska högskola; []
    Nyckelord :TEKNIK OCH TEKNOLOGIER; ENGINEERING AND TECHNOLOGY; microemulsion; figure-of-merit ZT ; nanostructured; thermal conductivity; clathrate; top seeded solution growth TSSG ; thermoelextricity; Czochralski; Seebeck coefficient; electrical resistivity; skutterudite; phonon glass-electron crystal PCEC ;

    Sammanfattning : .... LÄS MER

  4. 3. Structure and Thermoelectric Properties of Type-I Clathrates Ba8(AlxGa1−x)16Ge30

    Författare :Yifei Zhang; Chalmers tekniska högskola; []
    Nyckelord :NATURVETENSKAP; NATURAL SCIENCES; NATURVETENSKAP; NATURAL SCIENCES; NATURVETENSKAP; NATURAL SCIENCES; Microstructure; Crystal structure; Transport properties; Thermoelectrics; Clathrates;

    Sammanfattning : Thermoelectric materials enable the direct conversion between a thermal gradient and an electrical potential gradient, and can thus be exploited for electricity generation. One of the promising thermoelectric materials is type-I clathrates. LÄS MER