Quantum-dot thermometry

被引：15
|
作者：
Hoffmann, E. A. [1 ,2 ]
Nakpathomkun, N. [1 ,2 ]
Persson, A. I. [1 ,2 ]
Linke, H. [1 ,2 ]
Nilsson, H. A. [3 ]
Samuelson, L. [3 ]
机构：
[1] Univ Oregon, Dept Phys, Eugene, OR 97403 USA
[2] Univ Oregon, Inst Sci Mat, Eugene, OR 97403 USA
[3] Lund Univ, Nanometer Struct Consortium, S-22100 Lund, Sweden
来源：
APPLIED PHYSICS LETTERS | 2007年 / 91卷 / 25期
关键词：
D O I：
10.1063/1.2826268
中图分类号：
O59 [应用物理学];
学科分类号：
摘要：
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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页数：3
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