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Rev Sci Instrum. 2020 Feb 01;91(2):023902. doi: 10.1063/1.5127530.

Apparatus design for measuring of the strain dependence of the Seebeck coefficient of single crystals.

The Review of scientific instruments

Tiema Qian, Joshua Mutch, Lihua Wu, Preston Went, Qianni Jiang, Paul Malinowski, Jihui Yang, Jiun-Haw Chu

Affiliations

  1. Department of Physics, University of Washington, Seattle, Washington 98105, USA.
  2. Department of Materials Science and Engineering, University of Washington, Seattle, Washington 98105, USA.

PMID: 32113413 DOI: 10.1063/1.5127530

Abstract

We present the design and construction of an apparatus that measures the Seebeck coefficient of single crystals under in situ tunable strain at cryogenic temperatures. A home-built three piezostack apparatus applies uni-axial stress to a single crystalline sample and modulates anisotropic strain up to 0.7%. An alternating heater system and cernox sensor thermometry measure the Seebeck coefficient along the uniaxial stress direction. To demonstrate the efficacy of this apparatus, we applied uniaxial stress to detwin single crystals of BaFe

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