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Institute of High Pressure Physics

(Polish Academy of Sciences)

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Experimental Characterization Data for Mn-Substituted PrFeAs(O,F) Iron-Based Superconductors

Version 1.0

Singh, Shiv, 2026, "Experimental Characterization Data for Mn-Substituted PrFeAs(O,F) Iron-Based Superconductors", https://doi.org/10.18150/EFCWO9, RepOD, V1

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Description

This dataset contains experimental data for Mn-substituted PrFeAs(O,F) iron-based superconductors synthesized by a conventional solid-state reaction method. The dataset includes powder X-ray diffraction (XRD) patterns, structural refinement results, electrical resistivity and magneto-resistivity measurements, magnetic susceptibility and magnetization data, and superconducting parameters derived from transport and magnetic measurements. The data were collected to investigate the influence of Mn substitution on the structural, magnetic, and superconducting properties of PrFeAs(O,F).

Powder X-ray diffraction measurements were used to determine phase composition, crystal structure, and lattice parameters. Electrical resistivity and magneto-resistivity measurements were performed over a range of temperatures and magnetic fields to evaluate the evolution of the superconducting transition, normal-state transport behavior, and the effect of magnetic impurities on superconductivity. Magnetic measurements were carried out under zero-field-cooled (ZFC) and field-cooled (FC) conditions and from magnetic hysteresis loops to characterize the superconducting volume fraction, magnetic response, and critical current density.

The dataset provides structural, transport, and magnetic characterization of Mn-substituted PrFeAs(O,F) samples over a range of Mn concentrations. The data are supplied in text-based formats suitable for independent analysis, and reuse in future studies of iron-based superconductors and the effects of magnetic impurity substitution on superconductivity.

(2026-06-30)

Subject

Physics

Keyword

Iron based superconductors, Critical transition temperature, Upper critical field, Critical current density

Related Publication

Effect of Mn substitution on superconductivity in PrFeAs(O,F): Role of magnetic impurities
Priya Singh, Konrad Kwatek, Tatiana Zajarniuk, Taras Palasyuk, Cezariusz Jastrzębski, Andrzej Szewczyk, Shiv J. Singh

Journal of Physics and Chemistry of Solids 218, 113933 (2026) https://doi.org/10.1016/j.jpcs.2026.113933 doi: 10.1016/j.jpcs.2026.113933

License

CC BY - Creative Commons Attribution 4.0

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		README_JPCS.txt Plain Text - 12.4 KB - Jul 1, 2026 - 0 Downloads MD5: 2c4db8de47509394edf2b2f82963d5b6 License: CC BY - Creative Commons Attribution 4.0 This file provides documentation for the dataset, including a description of the dataset contents, directory structure, file formats, variables, units, measurement methods, software requirements, and licensing information. It is intended to help users understand, interpret, and reuse the data independently of the associated publication.	Preview Download
		Figure1.zip ZIP Archive - 429.0 KB - Jul 1, 2026 - 0 Downloads MD5: 617bb68aa5f58c49173623a23c0c24b7 License: CC BY - Creative Commons Attribution 4.0 Figure1.zip contains powder X-ray diffraction (XRD) data for PrFe1-xMnx AsO0.7F0.3 samples with nominal fluorine concentrations x = 0.0–0.1. The files include diffraction intensity as a function of 2θ, along with lattice parameters (c) and unit-cell volume (V) obtained from structural refinement. These data were used to investigate phase formation and the evolution of crystal structure with fluorine substitution.	Download
		Figure2.zip ZIP Archive - 1.0 KB - Jul 1, 2026 - 0 Downloads MD5: d3bce0721b47084d34c2ba368a64436b License: CC BY - Creative Commons Attribution 4.0 Figure2.zip contains Raman peak position data (Raman shift, cm⁻¹) as a function of Mn content (X_Mn) in PrFe1-xMnx AsO0.7F0.3 samples. The files include the extracted Raman mode frequencies used to analyze the evolution of lattice vibrations and structural changes associated with Mn substitution.	Download
		Figure3.zip ZIP Archive - 328.1 KB - Jul 1, 2026 - 0 Downloads MD5: 48844201253c6df656761fefe066bf27 License: CC BY - Creative Commons Attribution 4.0 Figure3.zip contains temperature-dependent electrical resistivity data, ρ(T), for PrFe1-xMnx AsO0.7F0.3 bulk samples with different nominal Mn concentrations. The files include resistivity values measured as a function of temperature, together with derived superconducting and normal-state parameters, including superconducting onset temperature (Tc,onset), transition width (ΔT), and residual resistivity ratio (RRR). These data were used to evaluate the effect of Mn substitution on the transport and superconducting properties of the samples.	Download
		Figure4.zip ZIP Archive - 22.6 KB - Jul 1, 2026 - 0 Downloads MD5: 87cfffd3ed78f7ac11575816ba90f6b4 License: CC BY - Creative Commons Attribution 4.0 Figure4.zip contains magneto-resistivity data for PrFe1-xMnx AsO0.7F0.3 samples (x = 0.01 and 0.03) measured under applied magnetic fields from 0 to 9 T over a temperature range up to 60 K. The files include temperature-dependent resistivity data collected at different magnetic fields and the corresponding upper critical field (Hc2) and irreversibility field (Hirr) values determined from the resistivity measurements. These data were used to evaluate the magnetic-field response and superconducting properties of the samples.	Download
		Figure5.zip ZIP Archive - 19.3 KB - Jul 1, 2026 - 0 Downloads MD5: 44b206fc5af81305b6b004a8c2919b9b License: CC BY - Creative Commons Attribution 4.0 Figure5.zip contains Arrhenius analysis data derived from magneto-resistivity measurements of PrFe1-xMnx AsO0.7F0.3 samples (x = 0.01 and 0.03) under applied magnetic fields from 0 to 9 T. The files include normalized resistivity data as a function of inverse temperature (1/T) used to determine the thermally activated flux-flow activation energy. The dataset also contains field-dependent activation energy values extracted from the Arrhenius analysis, which were used to investigate vortex dynamics and flux-pinning behavior in the superconducting samples.	Download
		Figure6.zip ZIP Archive - 27.1 KB - Jul 1, 2026 - 0 Downloads MD5: 4e0953752b35b2c2d72c38e43ace03c2 License: CC BY - Creative Commons Attribution 4.0 Figure6.zip contains temperature-dependent normalized magnetic moment data (M/M5K) measured under zero-field-cooled (ZFC) and field-cooled (FC) conditions in an applied field of 20 Oe, together with critical current density (Jc) data at 5 K as a function of applied magnetic field. These measurements were used to evaluate the superconducting transition and flux-pinning properties of PrFe1-xMnx AsO0.7F0.3 samples.	Download
		Figure7.zip ZIP Archive - 964 B - Jul 1, 2026 - 0 Downloads MD5: 815e7f52da104cd7fbf342108701bb4a License: CC BY - Creative Commons Attribution 4.0 Figure7.zip contains the normalized superconducting transition temperature suppression, Δ Tc/Tc0 =(Tc0- Tc)/Tc0, as a function of the relative lattice expansion Δc/c0 (=c – c0)/c0) for our PrFe1-xMnxAsO0.7F0.3 samples with other reports. Also, the residual resistivity measured at 60 K as a function of increasing function of Mn concentrations (x) for PrFe1-xMnxAsO0.7F0.3 samples are also included.	Download

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