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Thermoelectric properties of a chain of coupled quantum dots embedded in a nanowire
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10.1116/1.4808336
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Affiliations:
1 Department of Electrical Engineering, National Central University, Chungli, 320 Taiwan
2 Research Center for Applied Sciences, Academic Sinica, Taipei, 115 Taiwan
J. Vac. Sci. Technol. B 31, 04D108 (2013)
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## Figures

FIG. 1.

(Color online) (a) Electrical conductance (), (b) Seebeck coefficient (S), and (c) electron thermal conductance ( ) as functions of gate voltage (), which is used to tune the level, for various temperatures. . , and .

FIG. 2.

(Color online) (a) Electrical conductance , (b) Seebeck coefficient (S), and (c) as functions of gate voltage () at temperature for various interdot Coulomb interactions. .

FIG. 3.

(Color online) (a) Electrical conductance (), (b) Seebeck coefficient (), (c) electrical thermal conductance ( ), and (d) as a function of temperature for different QD energy levels at fixed . Other physical parameters are the same those of Fig. .

FIG. 4.

(Color online) (a) Electrical conductance (), (b) Seebeck coefficient (), (c) electron thermal conductance ( ), and (d) as a function of temperature for different strengths at , and . Other physical parameters are the same those of Fig. .

FIG. 5.

(Color online) (a) Electrical conductance (), (b) Seebeck coefficient (), (c) electron thermal conductance ( ), and (d) as a function of temperature for different inelastic scattering strengths at , and . Other physical parameters are the same those of Fig. .

FIG. 6.

(Color online) (a) Electrical conductance (), (b) Seebeck coefficient (), (c) electron thermal conductance ( ), and (d) as functions of temperature for CCQD with the QD number varying from 2 to 5. Symmetrical tunneling rates are used. , intradot Coulomb interactions , and electron hopping strengths .

FIG. 7.

(Color online) (a) Electron occupation number (), (b) electrical conductance , (c) Seebeck coefficient (), and (d) as functions of gate voltage () for various temperatures in the case of N = 5. Other physical parameters are the same as those of Fig. .

FIG. 8.

(Color online) (a) Electrical conductance (), (b) Seebeck coefficient , (c) (), and (d) as functions of at for various detuning energies. and . The curves marked by filled triangles and diamonds in (d) are for , but with asymmetric tunneling rates .

/content/avs/journal/jvstb/31/4/10.1116/1.4808336
2013-06-03
2014-04-18

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