Statistical Analysis of a Round-Robin Measurement Survey of Two Candidate Materials for a Seebeck Coefficient Standard Reference Material.

IF 1.5 4区工程技术

Journal of Research of the National Institute of Standards and Technology Pub Date : 2009-02-01 Print Date: 2009-01-01 DOI:10.6028/jres.114.004

Z Q J Lu, N D Lowhorn, W Wong-Ng, W Zhang, E L Thomas, M Otani, M L Green, T N Tran, C Caylor, N R Dilley, A Downey, B Edwards, N Elsner, S Ghamaty, T Hogan, Q Jie, Q Li, J Martin, G Nolas, H Obara, J Sharp, R Venkatasubramanian, R Willigan, J Yang, T Tritt

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Abstract

In an effort to develop a Standard Reference Material (SRM™) for Seebeck coefficient, we have conducted a round-robin measurement survey of two candidate materials-undoped Bi2Te3 and Constantan (55 % Cu and 45 % Ni alloy). Measurements were performed in two rounds by twelve laboratories involved in active thermoelectric research using a number of different commercial and custom-built measurement systems and techniques. In this paper we report the detailed statistical analyses on the interlaboratory measurement results and the statistical methodology for analysis of irregularly sampled measurement curves in the interlaboratory study setting. Based on these results, we have selected Bi2Te3 as the prototype standard material. Once available, this SRM will be useful for future interlaboratory data comparison and instrument calibrations.

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对塞贝克系数标准参考材料的两种候选材料进行循环测量调查的统计分析。

为了开发塞贝克系数标准参考材料 (SRM™)，我们对两种候选材料--未掺杂的 Bi2Te3 和 Constantan（55% 铜和 45% 镍合金）进行了循环测量调查。参与热电研究的 12 个实验室使用多种不同的商用和定制测量系统和技术进行了两轮测量。在本文中，我们报告了对实验室间测量结果的详细统计分析，以及在实验室间研究环境中分析不规则采样测量曲线的统计方法。基于这些结果，我们选择 Bi2Te3 作为标准材料原型。该标准物质一旦问世，将有助于今后的实验室间数据比较和仪器校准。

本文章由计算机程序翻译，如有差异，请以英文原文为准。

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Journal of Research of the National Institute of Standards and Technology Engineering-General Engineering

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期刊介绍： The Journal of Research of the National Institute of Standards and Technology is the flagship publication of the National Institute of Standards and Technology. It has been published under various titles and forms since 1904, with its roots as Scientific Papers issued as the Bulletin of the Bureau of Standards. In 1928, the Scientific Papers were combined with Technologic Papers, which reported results of investigations of material and methods of testing. This new publication was titled the Bureau of Standards Journal of Research. The Journal of Research of NIST reports NIST research and development in metrology and related fields of physical science, engineering, applied mathematics, statistics, biotechnology, information technology.