Pressure-induced phase transition in La1–xSmxO0.5F0.5BiS2

Fang, Y.; Yazici, D.; White, B. D.; Maple, M. B.

doi:10.1103/PhysRevB.92.094507

Title: Pressure-induced phase transition in ${La}_{1 - x} {Sm}_{x} O_{0.5} F_{0.5} {BiS}_{2}$

Abstract

Electrical resistivity measurements on La_1–xSm_xO_0.5F_0.5BiS₂ (x = 0.1, 0.3, 0.6, 0.8) have been performed under applied pressures up to 2.6 GPa from 2 K to room temperature. The superconducting transition temperature T_c of each sample significantly increases at a Sm-concentration dependent pressure P_t, indicating a pressure-induced phase transition from a low-T_c to a high-T_c phase. At ambient pressure, T_c increases dramatically from 2.8 K at x = 0.1 to 5.4 K at x = 0.8; however, the T_c values at P > P_t decrease slightly with x and P_t shifts to higher pressures with Sm substitution. In the normal state, semiconducting-like behavior is suppressed and metallic conduction is induced with increasing pressure in all of the samples. Furthermore, these results suggest that the pressure dependence of T_c for the BiS₂-based superconductors is related to the lattice parameters at ambient pressure and enable us to estimate the evolution of T_c for SmO_0.5F_0.5BiS₂ under pressure.

Authors:

Fang, Y. ^[1]; Yazici, D. ^[1]; White, B. D. ^[1]; Maple, M. B. ^[1]

Univ. of California, San Diego, La Jolla, CA (United States)

Publication Date:: Tue Sep 15 00:00:00 EDT 2015

Research Org.:: Univ. of California, San Diego, CA (United States)

Sponsoring Org.:: USDOE National Nuclear Security Administration (NNSA)

OSTI Identifier:: 1257505

Alternate Identifier(s):: OSTI ID: 1215778

Grant/Contract Number:: NA0002909; NA0001841; FG02-04ER46105

Resource Type:: Accepted Manuscript

Journal Name:: Physical Review. B, Condensed Matter and Materials Physics

Additional Journal Information:: Journal Volume: 92; Journal Issue: 9; Journal ID: ISSN 1098-0121

Publisher:: American Physical Society (APS)

Country of Publication:: United States

Language:: English

Subject:: 75 CONDENSED MATTER PHYSICS, SUPERCONDUCTIVITY AND SUPERFLUIDITY

Citation Formats


                    Fang, Y., Yazici, D., White, B. D., and Maple, M. B. Pressure-induced phase transition in La1–xSmxO0.5F0.5BiS2.  United States: N. p., 2015. 
Web.  doi:10.1103/PhysRevB.92.094507.

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                    Fang, Y., Yazici, D., White, B. D., & Maple, M. B. Pressure-induced phase transition in La1–xSmxO0.5F0.5BiS2.  United States.  https://doi.org/10.1103/PhysRevB.92.094507

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                    Fang, Y., Yazici, D., White, B. D., and Maple, M. B. Tue .  
"Pressure-induced phase transition in La1–xSmxO0.5F0.5BiS2".  United States.  https://doi.org/10.1103/PhysRevB.92.094507.  https://www.osti.gov/servlets/purl/1257505.

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@article{osti_1257505,

  title        = {Pressure-induced phase transition in La1–xSmxO0.5F0.5BiS2},

  author       = {Fang, Y. and Yazici, D. and White, B. D. and Maple, M. B.},

  abstractNote = {Electrical resistivity measurements on La1–xSmxO0.5F0.5BiS2 (x = 0.1, 0.3, 0.6, 0.8) have been performed under applied pressures up to 2.6 GPa from 2 K to room temperature. The superconducting transition temperature Tc of each sample significantly increases at a Sm-concentration dependent pressure Pt, indicating a pressure-induced phase transition from a low-Tc to a high-Tc phase. At ambient pressure, Tc increases dramatically from 2.8 K at x = 0.1 to 5.4 K at x = 0.8; however, the Tc values at P > Pt decrease slightly with x and Pt shifts to higher pressures with Sm substitution. In the normal state, semiconducting-like behavior is suppressed and metallic conduction is induced with increasing pressure in all of the samples. Furthermore, these results suggest that the pressure dependence of Tc for the BiS2-based superconductors is related to the lattice parameters at ambient pressure and enable us to estimate the evolution of Tc for SmO0.5F0.5BiS2 under pressure.},

  doi          = {10.1103/PhysRevB.92.094507},

  journal      = {Physical Review. B, Condensed Matter and Materials Physics},

  number       = 9,

  volume       = 92,

  place        = {United States},

  year         = {Tue Sep 15 00:00:00 EDT 2015},

  month        = {Tue Sep 15 00:00:00 EDT 2015}

}

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Effect of high-pressure annealing on the normal-state transport of ${LaO}_{0.5} F_{0.5} {BiS}_{2}$
journal, June 2014

Pressure-Induced Enhancement of Superconductivity and Structural Transition in BiS ₂ -Layered LaO ₁₋ _x F _x BiS ₂
journal, June 2014

Enhancement of superconductivity near the pressure-induced semiconductor–metal transition in the BiS ₂ -based superconductors LnO _0.5 F _0.5 BiS ₂ (Ln = La, Ce, Pr, Nd)
journal, September 2013

Pressure-induced enhancement of superconductivity and suppression of semiconducting behavior in $L n$ O $_{0.5}$ F $_{0.5}$ BiS $_{2}$ ( $L n = La$ ,Ce) compounds
journal, August 2013

Pressure-enhanced superconductivity in ${Eu}_{3} {Bi}_{2} S_{4} F_{4}$
journal, December 2014

Pressure-tuned enhancement of superconductivity and change of ground state properties in ${LaO}_{0.5} F_{0.5} {BiSe}_{2}$ single crystals
journal, September 2014

Evidence for two distinct superconducting phases in ${EuBiS}_{2} F$ under pressure
journal, June 2015

Enhancement of superconductivity in ${La}_{1 - x} {Sm}_{x} O_{0.5} F_{0.5} {BiS}_{2}$
journal, February 2015

Superconducting manometers for high pressure measurement at low temperature
journal, February 1969

Hydrostatic and Uniaxial Pressure Generation using Teflon Cell Container in Conventional Piston‐Cylinder Device
journal, January 1967

Chemical Pressure Effect on Superconductivity of BiS ₂ -Based Ce ₁₋ _x Nd _x O ₁₋ _y F _y BiS ₂ and Nd ₁₋ _z Sm _z O ₁₋ _y F _y BiS ₂
journal, April 2015

Chemical pressure effect on Tc in BiS2-based Ce1−Nd O0.5F0.5BiS2
journal, September 2014

Synthesis and Properties of SmO _0.5 F _0.5 BiS ₂ and Enhancement in T _c in La _{1– y} Sm _y O _0.5 F _0.5 BiS ₂
journal, November 2014

Insulator-to-Superconductor Transition upon Electron Doping in a BiS ₂ -Based Superconductor Sr ₁₋ _x La _x FBiS ₂
journal, January 2014

Pressure Study of BiS ₂ -Based Superconductors Bi ₄ O ₄ S ₃ and La(O,F)BiS ₂
journal, October 2012

Effect of yttrium substitution on the superconducting properties of ${La}_{1 - x} Y_{x} O_{0.5} F_{0.5} {BiS}_{2}$
journal, August 2014

Tuning electric charge scattering in YBCO single crystals via irradiation with MeV electrons
journal, October 2018

Peculiarities of pseudogap in Y0.95Pr0.05Ba2Cu3O7−δ single crystals under pressure up to 1.7 GPa
journal, December 2019

Superconductivity and structural instability in layered BiS ₂ -based LaO _1−x BiS ₂
journal, January 2019

Pressure-induced enhancement of two-dimensionality in $La O_{1 − x} F_{x} Bi {(Se / S)}_{2}$ superconductors
journal, October 2019

Tuning electric charge scattering in YBCO single crystals via irradiation with MeV electrons
text, January 2019