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Title: Mechanical detwinning device for anisotropic resistivity measurements in samples requiring dismounting for particle irradiation

Abstract

Uniaxial stress is used to detwin samples of orthorhombic iron based superconductors to study their intrinsic electronic anisotropy. Here we describe the development of a new detwinning setup enabling variable-load stress-detwinning with easy sample mounting/dismounting without the need to re-solder the contacts. It enables the systematic study of the anisotropy evolution as a function of an external parameter when the sample is modified between the measurements. In our case, the external parameter is the dose of 2.5 MeV electron irradiation at low temperature. We illustrate the approach by studying resistivity anisotropy in single crystals of Ba1-xKxFe2As2 at x =0.25 where the much discussed unusual re-entrance of tetragonal C4 phase, C4 → C2 → C4, is observed on cooling. With the described technique we found a significant anisotropy increase in C2 phase after electron irradiation with dose of 2.35 C/cm2.

Authors:
ORCiD logo [1]; ORCiD logo [1]; ORCiD logo [2]; ORCiD logo [2]; ORCiD logo [1]; ORCiD logo [3]; ORCiD logo [1]
  1. Ames Lab., Ames, IA (United States); Iowa State Univ., Ames, IA (United States)
  2. Ames Lab., Ames, IA (United States)
  3. Ecole Polytechnique, Palaiseau (France)
Publication Date:
Research Org.:
Ames Lab., Ames, IA (United States)
Sponsoring Org.:
USDOE
OSTI Identifier:
1638699
Alternate Identifier(s):
OSTI ID: 1637992
Report Number(s):
IS-J-10,264
Journal ID: ISSN 0034-6748
Grant/Contract Number:  
AC02-0CH11358
Resource Type:
Accepted Manuscript
Journal Name:
Review of Scientific Instruments
Additional Journal Information:
Journal Volume: 91; Journal Issue: 7; Journal ID: ISSN 0034-6748
Publisher:
American Institute of Physics (AIP)
Country of Publication:
United States
Language:
English
Subject:
47 OTHER INSTRUMENTATION

Citation Formats

Timmons, E. I., Tanatar, M. A., Liu, Yong, Cho, Kyuil, Lograsso, T. A., Kończykowski, M., and Prozorov, R. Mechanical detwinning device for anisotropic resistivity measurements in samples requiring dismounting for particle irradiation. United States: N. p., 2020. Web. https://doi.org/10.1063/5.0012053.
Timmons, E. I., Tanatar, M. A., Liu, Yong, Cho, Kyuil, Lograsso, T. A., Kończykowski, M., & Prozorov, R. Mechanical detwinning device for anisotropic resistivity measurements in samples requiring dismounting for particle irradiation. United States. https://doi.org/10.1063/5.0012053
Timmons, E. I., Tanatar, M. A., Liu, Yong, Cho, Kyuil, Lograsso, T. A., Kończykowski, M., and Prozorov, R. Thu . "Mechanical detwinning device for anisotropic resistivity measurements in samples requiring dismounting for particle irradiation". United States. https://doi.org/10.1063/5.0012053.
@article{osti_1638699,
title = {Mechanical detwinning device for anisotropic resistivity measurements in samples requiring dismounting for particle irradiation},
author = {Timmons, E. I. and Tanatar, M. A. and Liu, Yong and Cho, Kyuil and Lograsso, T. A. and Kończykowski, M. and Prozorov, R.},
abstractNote = {Uniaxial stress is used to detwin samples of orthorhombic iron based superconductors to study their intrinsic electronic anisotropy. Here we describe the development of a new detwinning setup enabling variable-load stress-detwinning with easy sample mounting/dismounting without the need to re-solder the contacts. It enables the systematic study of the anisotropy evolution as a function of an external parameter when the sample is modified between the measurements. In our case, the external parameter is the dose of 2.5 MeV electron irradiation at low temperature. We illustrate the approach by studying resistivity anisotropy in single crystals of Ba1-xKxFe2As2 at x =0.25 where the much discussed unusual re-entrance of tetragonal C4 phase, C4 → C2 → C4, is observed on cooling. With the described technique we found a significant anisotropy increase in C2 phase after electron irradiation with dose of 2.35 C/cm2.},
doi = {10.1063/5.0012053},
journal = {Review of Scientific Instruments},
number = 7,
volume = 91,
place = {United States},
year = {2020},
month = {7}
}

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Works referenced in this record:

Polarized Light Microscopy Study on the Reentrant Phase Transition in a (Ba1 – xKx)Fe2As2 Single Crystal with x = 0.24
journal, November 2016


Effects of uniaxial pressure and annealing on the resistivity of Ba(Fe1−Co )2As2
journal, May 2011


Superconductivity-induced re-entrance of the orthorhombic distortion in Ba1−xKxFe2As2
journal, July 2015

  • Böhmer, A. E.; Hardy, F.; Wang, L.
  • Nature Communications, Vol. 6, Issue 1
  • DOI: 10.1038/ncomms8911

Field-dependent transport critical current in single crystals of Ba(Fe 1 − x TM x ) 2 As 2 (TM = Co, Ni) superconductors
journal, April 2010


Origin of the Resistivity Anisotropy in the Nematic Phase of FeSe
journal, September 2016


Sign-reversal of the in-plane resistivity anisotropy in hole-doped iron pnictides
journal, May 2013

  • Blomberg, E. C.; Tanatar, M. A.; Fernandes, R. M.
  • Nature Communications, Vol. 4, Issue 1
  • DOI: 10.1038/ncomms2933

Interplay between superconductivity and itinerant magnetism in underdoped Ba1−xKxFe2As2 (x = 0.2) probed by the response to controlled point-like disorder
journal, July 2019

  • Prozorov, Ruslan; Kończykowski, Marcin; Tanatar, Makariy A.
  • npj Quantum Materials, Vol. 4, Issue 1
  • DOI: 10.1038/s41535-019-0171-2

In-Plane Resistivity Anisotropy in an Underdoped Iron Arsenide Superconductor
journal, August 2010


In-plane electronic anisotropy of underdoped ‘122’ Fe-arsenide superconductors revealed by measurements of detwinned single crystals
journal, September 2011


Effect of tensile stress on the in-plane resistivity anisotropy in BaFe 2 As 2
journal, April 2012


Using electron irradiation to probe iron-based superconductors
journal, May 2018

  • Cho, Kyuil; Kończykowski, M.; Teknowijoyo, S.
  • Superconductor Science and Technology, Vol. 31, Issue 6
  • DOI: 10.1088/1361-6668/aabfa8