Quantum-dot thermometry

E. A. Hoffmann; N. Nakpathomkun; A. I. Persson; H. Linke; Henrik Nilsson; Lars Samuelson

doi:10.1063/1.2826268

Quantum-dot thermometry

E. A. Hoffmann, N. Nakpathomkun, A. I. Persson, H. Linke, Henrik Nilsson, Lars Samuelson

Solid State Physics

Research output: Contribution to journal › Article › peer-review

Abstract

We present a method for the measurement of a temperature differential across a single quantum dot that has transmission resonances that are separated in energy by much more than the thermal energy. We determine numerically that the method is accurate to within a few percent across a wide range of parameters. The proposed method measures the temperature of the electrons that enter the quantum dot and will be useful in experiments that aim to test theory which predicts that quantum dots are highly efficient thermoelectrics.

Original language	English
Article number	252114
Journal	Applied Physics Letters
Volume	91
Issue number	25
DOIs	https://doi.org/10.1063/1.2826268
Publication status	Published - 2007

Subject classification (UKÄ)

Condensed Matter Physics

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10.1063/1.2826268

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title = "Quantum-dot thermometry",

abstract = "We present a method for the measurement of a temperature differential across a single quantum dot that has transmission resonances that are separated in energy by much more than the thermal energy. We determine numerically that the method is accurate to within a few percent across a wide range of parameters. The proposed method measures the temperature of the electrons that enter the quantum dot and will be useful in experiments that aim to test theory which predicts that quantum dots are highly efficient thermoelectrics.",

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journal = "Applied Physics Letters",

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AU - Hoffmann, E. A.

AU - Nakpathomkun, N.

AU - Persson, A. I.

AU - Linke, H.

AU - Nilsson, Henrik

AU - Samuelson, Lars

PY - 2007

Y1 - 2007

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AB - We present a method for the measurement of a temperature differential across a single quantum dot that has transmission resonances that are separated in energy by much more than the thermal energy. We determine numerically that the method is accurate to within a few percent across a wide range of parameters. The proposed method measures the temperature of the electrons that enter the quantum dot and will be useful in experiments that aim to test theory which predicts that quantum dots are highly efficient thermoelectrics.

U2 - 10.1063/1.2826268

DO - 10.1063/1.2826268

M3 - Article

SN - 0003-6951

VL - 91

JO - Applied Physics Letters

JF - Applied Physics Letters

IS - 25

M1 - 252114

ER -

Quantum-dot thermometry

Abstract

Subject classification (UKÄ)

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