用纳米金刚石量子测温法测量纳米材料的热电性能

IF 2.3 4区物理与天体物理 Q3 PHYSICS, APPLIED

Applied Physics Express Pub Date : 2024-09-05 DOI:10.35848/1882-0786/ad6fe9

Maki Shimizu, Koki Sugimoto and Yasuto Hijikata

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引用次数: 0

摘要

本研究利用纳米金刚石中的氮空位中心作为温度计，评估了单壁碳纳米管（SWCNT）的塞贝克系数。在 SWCNT 上建立温度梯度，测量电极上纳米金刚石的温度以及这些电极之间的电动势。金属 SWCNT 的塞贝克系数被测定为 14.0 ± 1.1 μV K-1，与之前研究报告的结果一致。这种方法为评估各种纳米材料的热电特性提供了一种很有前景的方法。

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Thermoelectric measurements of nanomaterials by nanodiamond quantum thermometry

In this study, the Seebeck coefficient of a single-walled carbon nanotube (SWCNT) was evaluated using a nitrogen vacancy center in nanodiamonds as a thermometer. A temperature gradient was established across the SWCNT, and the temperatures of the nanodiamonds on the electrodes, along with the electromotive force between these electrodes, were measured. The Seebeck coefficient for a metallic SWCNT was determined to be 14.0 ± 1.1 μV K−1, which is consistent with results reported in previous studies. This methodology offers a promising approach for evaluating the thermoelectric properties of various nanomaterials.

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来源期刊

Applied Physics Express 物理-物理：应用

CiteScore

4.80

自引率

8.70%

发文量

310

审稿时长

1.2 months

期刊介绍： Applied Physics Express (APEX) is a letters journal devoted solely to rapid dissemination of up-to-date and concise reports on new findings in applied physics. The motto of APEX is high scientific quality and prompt publication. APEX is a sister journal of the Japanese Journal of Applied Physics (JJAP) and is published by IOP Publishing Ltd on behalf of the Japan Society of Applied Physics (JSAP).