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Dissertation Hossein Karamitaheri
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Contents
Contents
List of Figures
1.1.
BMW's automobile equipped with thermoelectric generator
1.2.
Seebeck effect
1.3.
Configuration of a thermoelectric generator
1.4.
Circuit configuration of generators and refrigerators
1.5.
Maximum thermoelectric efficiency
1.6.
Transport coefficient as a function of carrier concentration
1.7.
Typical density of states are shown for 3D, 2D and 1D structures
1.8.
Some recent
values of nanostructured materials
1.9.
Diamond cubic crystal structure for silicon
1.10.
Crystal structure of Graphene
2.1.
Two dimensional rectangular structure
2.2.
Representation of the nearest neighbor atoms in graphene
2.3.
Bandstructure of graphene along the high-symmetry band line
2.4.
Phononic bandstructure of graphene
2.5.
Schematic representation of interatomic interaction in silicon
2.6.
Phononic bandstructure of bulk silicon
2.7.
Representation of number of modes at some energies
3.1.
Geometrical structure of AGNRs
3.2.
Ballistic electronic transmission function of AGNRs
3.3.
Ballistic transport coefficient of AGNRs
3.4.
Ballistic phonon transmission function of AGNRs
3.5.
Ballistic lattice thermal conductance of AGNRs
3.6.
Ballistic thermoelectric figure of merit of AGNRs
3.7.
Phonon transmission function for rough 16-AGNR
3.8.
Effective phonon MFP of nearly rough 16-AGNR
3.9.
Electron transmission of rough 16-AGNR
3.10.
Electron MFP of rough 16-AGNR
3.11.
Thermoelectric figure of merit of rough AGNRs
3.12.
Geometrical structure of GALs
3.13.
Electronic band structure of GALs
3.14.
Electronic transport coefficient of GALs
3.15.
Phonon DOS and transmission function of GALs
3.16.
Localized and propagating phonon modes in GALs
3.17.
Phonon transmission function of GALs
3.18.
figure of merit of GALs
3.19.
Geometrical and bandstructure of ZGNR-based structures
3.20.
Transmission function of ZGNR-based structures
3.21.
Current spectrum at
3.22.
Effect of substrate impurities on the transmission functions
3.23.
Transmission function in the presence of positive impurities and roughness
3.24.
Width dependency of transmission function
3.25.
Phonon transmission function
3.26.
Ratio of phononic and electronic parts of thermal conductivity
3.27.
Ballistic transport coefficient of ZGNR-based structures
3.28.
Diffusive transport coefficient of ZGNR-based structures
3.29.
Thermoelectric figure of merit of ZGNR-based structures
4.1.
Phononic dispersion of various nanowires
4.2.
Transmission of nanowires
4.3.
Ballistic lattice thermal conductance of nanowires
4.4.
Phonon density of states of nanowires
4.5.
Sound velocity of nanowires
4.6.
Effective group velocity of nanowires
4.7.
Atomistic structure of different thin-layers
4.8.
Transmission function of thin-layers
4.9.
Ballistic lattice thermal conductance of thin-layers
4.10.
Temperature dependency of thermal conductance of thin-layers
4.11.
Phonon density of states for thin-layers
4.12.
Effective group velocity of thin-layers
4.13.
Energy contours at
for thin-layers
4.14.
Maximum and minimum values of the conductance as a function of thickness
4.15.
Maximum and minimum values of the conductance as a function of temperature
5.1.
Normalized transmission function
5.2.
Phonon-phonon limited thermal conductivity for silicon nanowires versus diameter
5.3.
Phonon-phonon limited thermal conductivity for silicon nanowires versus temperature
5.4.
Phonon-phonon-limited thermal conductivity: Contribution of various phonon states and the cumulative conductivity
5.5.
Cumulative phonon-boundary-limited thermal conductivity
5.6.
Effective specularity
6.1.
Lattice thermal conductivity of ultra-thin silicon nanowires
6.2.
figure of merit of smooth silicon nanowires
6.3.
Figure of rough silicon nanowires
6.4.
The ratio of transport coefficients in rough and smooth silicon nanowires
6.5.
figure of merit in fully diffusive regime
H. Karamitaheri: Thermal and Thermoelectric Properties of Nanostructures
values of nanostructured materials
figure of merit of GALs
for thin-layers
figure of merit of smooth silicon nanowires
Figure of rough silicon nanowires
figure of merit in fully diffusive regime