119Sn-NMR investigations on superconducting Ca3Ir4Sn13: Evidence for multigap superconductivity

Sarkar, R.; Petrovic, C.; Bruckner, F.; Gunther, M.; Wang, Kefeng; Biswas, P. K.; Luetkens, H.; Morenzoni, E.; Amato, A.; Klauss, H. -H.

doi:10.1016/j.physb.2015.09.030

Title: ¹¹⁹Sn-NMR investigations on superconducting Ca₃Ir₄Sn₁₃: Evidence for multigap superconductivity

Abstract

In this study, we report bulk superconductivity (SC) in Ca₃Ir₄Sn₁₃ by means of ¹¹⁹Sn nuclear magnetic resonance (NMR) experiments. Two classical signatures of BCS superconductivity in spin-lattice relaxation rate (1/T₁), namely the Hebel–Slichter coherence peak just below the T_c, and the exponential decay in the superconducting phase, are evident. The noticeable decrease of ¹¹⁹Sn Knight shift below T_c indicates spin-singlet superconductivity. The temperature dependence of the spin-lattice relaxation rate ¹¹⁹(1/T₁) is convincingly described by the multigap isotropic superconducting gap. NMR experiments do not witness any sign of enhanced spin fluctuations.

Authors:

Sarkar, R. ^[1]; Petrovic, C. ^[2]; Bruckner, F. ^[1]; Gunther, M. ^[1]; Wang, Kefeng ^[2]; Biswas, P. K. ^[3]; Luetkens, H. ^[3]; Morenzoni, E. ^[3]; Amato, A. ^[3]; Klauss, H. -H. ^[1]

TU Dresden, Dresden (Germany). Institute for Solid State Physics.
Brookhaven National Lab. (BNL), Upton, NY (United States)
Paul Scherrer Inst. (PSI), Villigen (Switzerland)

Publication Date:: Fri Sep 25 00:00:00 EDT 2015

Research Org.:: Brookhaven National Laboratory (BNL), Upton, NY (United States)

Sponsoring Org.:: USDOE Office of Science (SC), Basic Energy Sciences (BES)

OSTI Identifier:: 1235863

Alternate Identifier(s):: OSTI ID: 1249624

Report Number(s):: BNL-111655-2015-JA
Journal ID: ISSN 0921-4526; R&D Project: PM016; KC0201050

Grant/Contract Number:: SC00112704

Resource Type:: Accepted Manuscript

Journal Name:: Physica. B, Condensed Matter

Additional Journal Information:: Journal Volume: 479; Journal Issue: C; Journal ID: ISSN 0921-4526

Publisher:: Elsevier

Country of Publication:: United States

Language:: English

Subject:: 75 CONDENSED MATTER PHYSICS, SUPERCONDUCTIVITY AND SUPERFLUIDITY; NMR; BCS superconductivity; multigap

Citation Formats


                    Sarkar, R., Petrovic, C., Bruckner, F., Gunther, M., Wang, Kefeng, Biswas, P. K., Luetkens, H., Morenzoni, E., Amato, A., and Klauss, H. -H. 119Sn-NMR investigations on superconducting Ca3Ir4Sn13: Evidence for multigap superconductivity.  United States: N. p., 2015. 
Web.  doi:10.1016/j.physb.2015.09.030.

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                    Sarkar, R., Petrovic, C., Bruckner, F., Gunther, M., Wang, Kefeng, Biswas, P. K., Luetkens, H., Morenzoni, E., Amato, A., & Klauss, H. -H. 119Sn-NMR investigations on superconducting Ca3Ir4Sn13: Evidence for multigap superconductivity.  United States.  https://doi.org/10.1016/j.physb.2015.09.030

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                    Sarkar, R., Petrovic, C., Bruckner, F., Gunther, M., Wang, Kefeng, Biswas, P. K., Luetkens, H., Morenzoni, E., Amato, A., and Klauss, H. -H. Fri .  
"119Sn-NMR investigations on superconducting Ca3Ir4Sn13: Evidence for multigap superconductivity".  United States.  https://doi.org/10.1016/j.physb.2015.09.030.  https://www.osti.gov/servlets/purl/1235863.

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@article{osti_1235863,

  title        = {119Sn-NMR investigations on superconducting Ca3Ir4Sn13: Evidence for multigap superconductivity},

  author       = {Sarkar, R. and Petrovic, C. and Bruckner, F. and Gunther, M. and Wang, Kefeng and Biswas, P. K. and Luetkens, H. and Morenzoni, E. and Amato, A. and Klauss, H. -H.},

  abstractNote = {In this study, we report bulk superconductivity (SC) in Ca3Ir4Sn13 by means of 119Sn nuclear magnetic resonance (NMR) experiments. Two classical signatures of BCS superconductivity in spin-lattice relaxation rate (1/T1), namely the Hebel–Slichter coherence peak just below the Tc, and the exponential decay in the superconducting phase, are evident. The noticeable decrease of 119Sn Knight shift below Tc indicates spin-singlet superconductivity. The temperature dependence of the spin-lattice relaxation rate 119(1/T1) is convincingly described by the multigap isotropic superconducting gap. NMR experiments do not witness any sign of enhanced spin fluctuations.},

  doi          = {10.1016/j.physb.2015.09.030},

  journal      = {Physica. B, Condensed Matter},

  number       = C,

  volume       = 479,

  place        = {United States},

  year         = {Fri Sep 25 00:00:00 EDT 2015},

  month        = {Fri Sep 25 00:00:00 EDT 2015}

}

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Works referenced in this record:

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Nodeless superconductivity in Ca $_{3}$ Ir $_{4}$ Sn $_{13}$ : Evidence from quasiparticle heat transport
journal, August 2012

Zhou, S. Y.; Zhang, H.; Hong, X. C.
Physical Review B, Vol. 86, Issue 6
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Microscopic studies of the normal and superconducting state of Ca $_{3}$ Ir $_{4}$ Sn $_{13}$
journal, September 2013

Gerber, S.; Gavilano, J. L.; Medarde, M.
Physical Review B, Vol. 88, Issue 10
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Superconducting and magnetic properties of ${Sr}_{3} {Ir}_{4} {Sn}_{13}$
journal, October 2014

Biswas, P. K.; Amato, A.; Khasanov, R.
Physical Review B, Vol. 90, Issue 14
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Superconducting properties of Ca ₃ Ir ₄ Sn ₁₃ : a μ SR study
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Works referencing / citing this record:

Vortex phase diagram study in the superconductor Ca 3 Ir 4 Sn 13
journal, August 2018

Kumar, Santosh; Singh, Ravi P.; Thamizhavel, A.
Materials Research Express, Vol. 5, Issue 10
DOI: 10.1088/2053-1591/aad99b

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Title: 119Sn-NMR investigations on superconducting Ca3Ir4Sn13: Evidence for multigap superconductivity

Abstract

Citation Formats

Complexity in Strongly Correlated Electronic Systems journal, July 2005

Long-Range Incommensurate Charge Fluctuations in (Y,Nd)Ba2Cu3O6+x journal, July 2012

Magnetically mediated superconductivity in heavy fermion compounds journal, July 1998

Superconductivity without phonons journal, December 2007

Fluctuating stripes in strongly correlated electron systems and the nematic-smectic quantum phase transition journal, August 2008

A new family of ternary intermetallic superconducting/magnetic stannides journal, June 1980

Crystal growth and crystal-chemical investigation of systems containing new superconducting and/or magnetic ternary stannides journal, June 1980

Coexistence of Superconductivity and Ferromagnetic Spin-Fluctuation in Ca 3 Ir 4 Sn 13 Single Crystal journal, November 2010

Ca 3 Ir 4 Sn 13 : A weakly correlated nodeless superconductor journal, July 2012

Pressure- and Composition-Induced Structural Quantum Phase Transition in the Cubic Superconductor ( Sr , Ca ) 3 Ir 4 Sn 13 journal, December 2012

Nodeless superconductivity in Ca 3 Ir 4 Sn 13 : Evidence from quasiparticle heat transport journal, August 2012

Microscopic studies of the normal and superconducting state of Ca 3 Ir 4 Sn 13 journal, September 2013

Superconducting and magnetic properties of Sr 3 Ir 4 Sn 13 journal, October 2014

Superconducting properties of Ca 3 Ir 4 Sn 13 : a μ SR study journal, December 2014

Bardeen-Cooper-Schrieffer Theory of Superconductivity in the Case of Overlapping Bands journal, December 1959

Vortex phase diagram study in the superconductor Ca 3 Ir 4 Sn 13 journal, August 2018

Title: ¹¹⁹Sn-NMR investigations on superconducting Ca₃Ir₄Sn₁₃: Evidence for multigap superconductivity

Complexity in Strongly Correlated Electronic Systems
journal, July 2005

Long-Range Incommensurate Charge Fluctuations in (Y,Nd)Ba2Cu3O6+x
journal, July 2012

Magnetically mediated superconductivity in heavy fermion compounds
journal, July 1998

Superconductivity without phonons
journal, December 2007

Fluctuating stripes in strongly correlated electron systems and the nematic-smectic quantum phase transition
journal, August 2008

A new family of ternary intermetallic superconducting/magnetic stannides
journal, June 1980

Crystal growth and crystal-chemical investigation of systems containing new superconducting and/or magnetic ternary stannides
journal, June 1980

Coexistence of Superconductivity and Ferromagnetic Spin-Fluctuation in Ca ₃ Ir ₄ Sn ₁₃ Single Crystal
journal, November 2010

Ca $_{3}$ Ir $_{4}$ Sn $_{13}$ : A weakly correlated nodeless superconductor
journal, July 2012

Pressure- and Composition-Induced Structural Quantum Phase Transition in the Cubic Superconductor $(Sr, Ca)_{3} {Ir}_{4} {Sn}_{13}$
journal, December 2012

Nodeless superconductivity in Ca $_{3}$ Ir $_{4}$ Sn $_{13}$ : Evidence from quasiparticle heat transport
journal, August 2012

Microscopic studies of the normal and superconducting state of Ca $_{3}$ Ir $_{4}$ Sn $_{13}$
journal, September 2013

Superconducting and magnetic properties of ${Sr}_{3} {Ir}_{4} {Sn}_{13}$
journal, October 2014

Superconducting properties of Ca ₃ Ir ₄ Sn ₁₃ : a μ SR study
journal, December 2014

Bardeen-Cooper-Schrieffer Theory of Superconductivity in the Case of Overlapping Bands
journal, December 1959

Vortex phase diagram study in the superconductor Ca 3 Ir 4 Sn 13
journal, August 2018