A Simple Thermoelectric Effect Setup for Determining the Conductivity Type of Thin Film Materials

Pang, Chun Sum Brian; Ng, Wessley; Liang, Jing; Qu, Qing; Chau, Ho Tin Martin; Niu, Muyao; Cheng, Man Kit; Sou, Iam Keong

doi:10.1109/tim.2020.3046922

IEEE Trans. Instrum. Meas.

2021

DOI: 10.1109/tim.2020.3046922

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A Simple Thermoelectric Effect Setup for Determining the Conductivity Type of Thin Film Materials

Chun Sum Brian Pang

Wessley Ng

Jing Liang

et al.

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“…Most measurements of the Seebeck coefficient and resistivity of a thin film are also achieved by drawing contacts on top of the thin film. This can be achieved either manually 26,27 or by using complex processes, such as lithography [28][29][30][31] and wire bonding 18,20,[32][33][34] . By drawing manually, several issues can arise.…”

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Versatile Seebeck and electrical resistivity measurement setup for thin films

Ferreira‐Teixeira

Carpinteiro

Araújo

et al. 2021

Review of Scientific Instruments

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A custom setup for Seebeck coefficient and electrical resistivity measurements of thin films as a function of temperature in the range of 10–300 K was developed. The Seebeck coefficient is measured using a two-probe arrangement and using either a dynamical or steady/quasi-steady differential method. The temperature differences (ΔTs) for these measurements across the samples are achieved by using resistive heaters embedded in two copper blocks. The sample is screwed to these blocks and is in pressured contact with the measurement probes. The electrical resistivity is measured with a two-probe arrangement. To verify the reliability of the developed setup, measurement tests were performed on commercial niobium foil and a specular spin valve previously studied, having obtained a great accordance (within ∼3%) between this setup’s experimental results and the reference measurements.

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mentioning

confidence: 99%

Versatile Seebeck and electrical resistivity measurement setup for thin films

Ferreira‐Teixeira

Carpinteiro

Araújo

et al. 2021

Review of Scientific Instruments

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show abstract

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A Simple Thermoelectric Effect Setup for Determining the Conductivity Type of Thin Film Materials

Cited by 1 publication

References 17 publications

Versatile Seebeck and electrical resistivity measurement setup for thin films

Versatile Seebeck and electrical resistivity measurement setup for thin films

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