Pressure-induced collapsed-tetragonal phase in SrCo2As2

Jayasekara, W. T.; Kaluarachchi, U. S.; Ueland, B. G.; Pandey, Abhishek; Lee, Y. B.; Taufour, V.; Sapkota, A.; Kothapalli, K.; Sangeetha, N. S.; Fabbris, G.; Veiga, L. S. I.; Feng, Yejun; dos Santos, A. M.; Bud'ko, S. L.; Harmon, B. N.; Canfield, P. C.; Johnston, D. C.; Kreyssig, A.; Goldman, A. I.

doi:10.1103/PhysRevB.92.224103

Title: Pressure-induced collapsed-tetragonal phase in ${SrCo}_{2} {As}_{2}$

Abstract

We present high-energy x-ray diffraction data under applied pressures up to p = 29 GPa, neutron diffraction measurements up to p = 1.1GPa, and electrical resistance measurements up to p = 5.9 GPa, on SrCo₂As₂. Here, our x-ray diffraction data demonstrate that there is a first-order transition between the tetragonal (T) and collapsed-tetragonal (cT) phases, with an onset above approximately 6 GPa at T = 7K. The pressure for the onset of the cT phase and the range of coexistence between the T and cT phases appears to be nearly temperature independent. The compressibility along the a axis is the same for the T and cT phases, whereas, along the c axis, the cT phase is significantly stiffer, which may be due to the formation of an As-As bond in the cT phase. Our resistivity measurements found no evidence of superconductivity in SrCo₂As₂ for p ≤ 5.9 GPa and T ≥ 1.8 K. The resistivity data also show signatures consistent with a pressure-induced phase transition for p ≳ 5.5 GPa. Single-crystal neutron diffraction measurements performed up to 1.1 GPa in the T phase found no evidence of stripe-type or A-type antiferromagnetic ordering down to 10 K. Spin-polarized total-energy calculations demonstratemore »« less

Authors:

Jayasekara, W. T. ^[1]; Kaluarachchi, U. S. ^[1]; Ueland, B. G. ^[1]; Pandey, Abhishek ^[1]; Lee, Y. B. ^[1]; Taufour, V. ^[1]; Sapkota, A. ^[1]; Kothapalli, K. ^[1]; Sangeetha, N. S. ^[1]; Fabbris, G. ^[2]; Veiga, L. S. I. ^[2]; Feng, Yejun ^[2]; dos Santos, A. M. ^[3]; Bud'ko, S. L. ^[1]; Harmon, B. N. ^[1]; Canfield, P. C. ^[1]; Johnston, D. C. ^[1]; Kreyssig, A. ^[1]; Goldman, A. I. ^[1]

Iowa State Univ., Ames, IA (United States)
Argonne National Lab. (ANL), Argonne, IL (United States)
Oak Ridge National Lab. (ORNL), Oak Ridge, TN (United States)

Publication Date:: Tue Dec 08 00:00:00 EST 2015

Research Org.:: Ames Laboratory (AMES), Ames, IA (United States); Oak Ridge National Laboratory (ORNL), Oak Ridge, TN (United States). Spallation Neutron Source (SNS)

Sponsoring Org.:: USDOE Office of Science (SC), Basic Energy Sciences (BES); USDOE National Nuclear Security Administration (NNSA)

OSTI Identifier:: 1234447

Alternate Identifier(s):: OSTI ID: 1228422; OSTI ID: 1334455

Report Number(s):: IS-J-8798
Journal ID: ISSN 1098-0121; PRBMDO

Grant/Contract Number:: FG02-94ER14466; AC02-07CH11358; FG02-99ER45775; AC02-06CH11357; EAR1157758; EAR1128799; NA0001974; AC05-00OR22725

Resource Type:: Accepted Manuscript

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

Additional Journal Information:: Journal Volume: 92; Journal Issue: 22; 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


                    Jayasekara, W. T., Kaluarachchi, U. S., Ueland, B. G., Pandey, Abhishek, Lee, Y. B., Taufour, V., Sapkota, A., Kothapalli, K., Sangeetha, N. S., Fabbris, G., Veiga, L. S. I., Feng, Yejun, dos Santos, A. M., Bud'ko, S. L., Harmon, B. N., Canfield, P. C., Johnston, D. C., Kreyssig, A., and Goldman, A. I. Pressure-induced collapsed-tetragonal phase in SrCo2As2.  United States: N. p., 2015. 
Web.  doi:10.1103/PhysRevB.92.224103.

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                    Jayasekara, W. T., Kaluarachchi, U. S., Ueland, B. G., Pandey, Abhishek, Lee, Y. B., Taufour, V., Sapkota, A., Kothapalli, K., Sangeetha, N. S., Fabbris, G., Veiga, L. S. I., Feng, Yejun, dos Santos, A. M., Bud'ko, S. L., Harmon, B. N., Canfield, P. C., Johnston, D. C., Kreyssig, A., & Goldman, A. I. Pressure-induced collapsed-tetragonal phase in SrCo2As2.  United States.  https://doi.org/10.1103/PhysRevB.92.224103

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                    Jayasekara, W. T., Kaluarachchi, U. S., Ueland, B. G., Pandey, Abhishek, Lee, Y. B., Taufour, V., Sapkota, A., Kothapalli, K., Sangeetha, N. S., Fabbris, G., Veiga, L. S. I., Feng, Yejun, dos Santos, A. M., Bud'ko, S. L., Harmon, B. N., Canfield, P. C., Johnston, D. C., Kreyssig, A., and Goldman, A. I. Tue .  
"Pressure-induced collapsed-tetragonal phase in SrCo2As2".  United States.  https://doi.org/10.1103/PhysRevB.92.224103.  https://www.osti.gov/servlets/purl/1234447.

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@article{osti_1234447,

  title        = {Pressure-induced collapsed-tetragonal phase in SrCo2As2},

  author       = {Jayasekara, W. T. and Kaluarachchi, U. S. and Ueland, B. G. and Pandey, Abhishek and Lee, Y. B. and Taufour, V. and Sapkota, A. and Kothapalli, K. and Sangeetha, N. S. and Fabbris, G. and Veiga, L. S. I. and Feng, Yejun and dos Santos, A. M. and Bud'ko, S. L. and Harmon, B. N. and Canfield, P. C. and Johnston, D. C. and Kreyssig, A. and Goldman, A. I.},

  abstractNote = {We present high-energy x-ray diffraction data under applied pressures up to p = 29 GPa, neutron diffraction measurements up to p = 1.1GPa, and electrical resistance measurements up to p = 5.9 GPa, on SrCo2As2. Here, our x-ray diffraction data demonstrate that there is a first-order transition between the tetragonal (T) and collapsed-tetragonal (cT) phases, with an onset above approximately 6 GPa at T = 7K. The pressure for the onset of the cT phase and the range of coexistence between the T and cT phases appears to be nearly temperature independent. The compressibility along the a axis is the same for the T and cT phases, whereas, along the c axis, the cT phase is significantly stiffer, which may be due to the formation of an As-As bond in the cT phase. Our resistivity measurements found no evidence of superconductivity in SrCo2As2 for p ≤ 5.9 GPa and T ≥ 1.8 K. The resistivity data also show signatures consistent with a pressure-induced phase transition for p ≳ 5.5 GPa. Single-crystal neutron diffraction measurements performed up to 1.1 GPa in the T phase found no evidence of stripe-type or A-type antiferromagnetic ordering down to 10 K. Spin-polarized total-energy calculations demonstrate that the cT phase is the stable phase at high pressure with a c/a ratio of 2.54. Furthermore, these calculations indicate that the cT phase of SrCo2As2 should manifest either A-type antiferromagnetic or ferromagnetic order.},

  doi          = {10.1103/PhysRevB.92.224103},

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

  number       = 22,

  volume       = 92,

  place        = {United States},

  year         = {Tue Dec 08 00:00:00 EST 2015},

  month        = {Tue Dec 08 00:00:00 EST 2015}

}

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Title: Pressure-induced collapsed-tetragonal phase in SrCo 2 As 2

Abstract

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Erratum: Doping dependence of spin dynamics in electron-doped Ba( ${Fe}_{1 - x} {Co}_{x}$ ) $_{2} {As}_{2}$ [Phys. Rev. B 82 , 054515 (2010)]
journal, February 2011

Effects of Co substitution on thermodynamic and transport properties and anisotropic $H_{c 2}$ in $Ba {({Fe}_{1 - x} {Co}_{x})}_{2} {As}_{2}$ single crystals
journal, December 2008

Field-induced spin-flop transitions in single-crystalline CaCo $_{2}$ As $_{2}$
journal, April 2012

Metamagnetic transition in Ca $_{1 - x}$ Sr $_{x}$ Co $_{2}$ As $_{2}$ ( $x$ $=$ 0 and 0.1) single crystals
journal, June 2012

Crystal and magnetic structure of CaCo $_{1.86}$ As $_{2}$ studied by x-ray and neutron diffraction
journal, November 2013

Physical properties of metallic antiferromagnetic ${CaCo}_{1.86}$ ${As}_{2}$ single crystals
journal, June 2014

Pressure Induced Superconductivity in ${CaFe}_{2} {As}_{2}$
journal, July 2008

Pressure-induced volume-collapsed tetragonal phase of ${CaFe}_{2} {As}_{2}$ as seen via neutron scattering
journal, November 2008

Lattice collapse and quenching of magnetism in ${CaFe}_{2} {As}_{2}$ under pressure: A single-crystal neutron and x-ray diffraction investigation
journal, January 2009

Structural, magnetic and superconducting phase transitions in CaFe2As2 under ambient and applied pressure
journal, May 2009

Suppression of antiferromagnetic spin fluctuations in the collapsed phase of ${CaFe}_{2} {As}_{2}$
journal, February 2009

Fractional Quantization of the Magnetic Flux in Cylindrical Unconventional Superconductors
journal, July 2013

Inelastic Neutron Scattering Study of a Nonmagnetic Collapsed Tetragonal Phase in Nonsuperconducting ${CaFe}_{2} {As}_{2}$ : Evidence of the Impact of Spin Fluctuations on Superconductivity in the Iron-Arsenide Compounds
journal, November 2013

Renormalized behavior and proximity of ${BaCo}_{2} {As}_{2}$ to a magnetic quantum critical point
journal, January 2009

Crystallographic, electronic, thermal, and magnetic properties of single-crystal SrCo $_{2}$ As $_{2}$
journal, July 2013

Stripe Antiferromagnetic Spin Fluctuations in ${SrCo}_{2} {As}_{2}$
journal, October 2013

Electronic Band Structure of ${BaCo}_{2} {As}_{2}$ : A Fully Doped Ferropnictide Analog with Reduced Electronic Correlations
journal, January 2013

Angle-resolved photoemission spectroscopy study of BaCo $_{2}$ As $_{2}$
journal, June 2013

A compact bellows-driven diamond anvil cell for high-pressure, low-temperature magnetic measurements
journal, March 2014

Ruby-spheres as pressure gauge for optically transparent high pressure cells
journal, December 2001

Toward an internally consistent pressure scale
journal, May 2007

Simple adaptation of the Bridgman high pressure technique for use with liquid media
journal, September 2007

Hydrostatic limits in liquids and solids to 100 kbar
journal, December 1973

Combined effects of pressure and Ru substitution on BaFe $_{2}$ As $_{2}$
journal, October 2011

A diamond anvil cell for the investigation of superconductivity under pressures of up to 50 GPa: Pb as a low temperature manometer
journal, September 1988

Making and Breaking Bonds in the Solid State: The ThCr ₂ Si ₂ Structure
journal, September 1985

Crystal growth and physical properties of SrCu $_{2}$ As $_{2}$ , SrCu $_{2}$ Sb $_{2}$ , and BaCu $_{2}$ Sb $_{2}$
journal, June 2012

Complete pressure-dependent phase diagrams for ${SrFe}_{2} {As}_{2}$ and ${BaFe}_{2} {As}_{2}$
journal, June 2009

Upper critical field of $K {Fe}_{2} {As}_{2}$ under pressure: A test for the change in the superconducting gap structure
journal, June 2014

Hydrostatic pressure (8GPa) dependence of electrical resistivity of BaCo2As2 single crystal
journal, October 2013

Generalized Gradient Approximation Made Simple
journal, October 1996