Upper critical field and Kondo effects in Fe(Te0.9Se0.1) thin films by pulsed field measurements

Salamon, Myron B.; Cornell, Nicholas; Jaime, Marcelo; Balakirev, Fedor F.; Zakhidov, Anvar; Huang, Jijie; Wang, Haiyan

doi:10.1038/srep21469

Title: Upper critical field and Kondo effects in Fe(Te_0.9Se_0.1) thin films by pulsed field measurements

Abstract

The transition temperatures of epitaxial films of Fe(Te_0:9Se_0:1) are remarkably insensitive to applied magnetic field, leading to predictions of upper critical fields B_c2(T = 0) in excess of 100 T. Using pulsed magnetic fields, we find B_c2(0) to be on the order of 45 T, similar to values in bulk material and still in excess of the paramagnetic limit. The same films show strong magnetoresistance in fields above B_c2(T), consistent with the observed Kondo minimum seen above T_c. Fits to the temperature dependence in the context of the WHH model, using the experimental value of the Maki parameter, require an effective spin-orbit relaxation parameter of order unity. Furthermore, we suggest that Kondo localization plays a similar role to spin-orbit pair breaking in making WHH fits to the data.

Authors:

Salamon, Myron B. ^[1]; Cornell, Nicholas ^[2]; Jaime, Marcelo ^[3]; Balakirev, Fedor F. ^[3]; Zakhidov, Anvar ^[4]; Huang, Jijie ^[5]; Wang, Haiyan ^[5]

Univ. of Texas at Dallas, Richardson, TX (United States); Los Alamos National Lab. (LANL), Los Alamos, NM (United States). National High Magnetic Field Lab. (MagLab)
Naval Surface Warfare Center, Norco, CA (United States). Corona Div.
Los Alamos National Lab. (LANL), Los Alamos, NM (United States). National High Magnetic Field Lab. (MagLab)
Univ. of Texas at Dallas, Richardson, TX (United States)
Texas A&M Univ., College Station, TX (United States)

Publication Date:: Wed Feb 10 00:00:00 EST 2016

Research Org.:: Los Alamos National Laboratory (LANL), Los Alamos, NM (United States)

Sponsoring Org.:: USDOE; National Science Foundation (NSF); US Air Force Office of Scientific Research (AFOSR)

OSTI Identifier:: 1259306

Alternate Identifier(s):: OSTI ID: 1321765

Report Number(s):: LA-UR-15-27486
Journal ID: ISSN 2045-2322; srep21469

Grant/Contract Number:: DMR-1157490; FA9550-09-1-0384; AC52-06NA25396

Resource Type:: Accepted Manuscript

Journal Name:: Scientific Reports

Additional Journal Information:: Journal Volume: 6; Journal ID: ISSN 2045-2322

Publisher:: Nature Publishing Group

Country of Publication:: United States

Language:: English

Subject:: 75 CONDENSED MATTER PHYSICS, SUPERCONDUCTIVITY AND SUPERFLUIDITY; electronic properties and materials; superconducting properties and materials; high magnetic field science

Citation Formats


                    Salamon, Myron B., Cornell, Nicholas, Jaime, Marcelo, Balakirev, Fedor F., Zakhidov, Anvar, Huang, Jijie, and Wang, Haiyan. Upper critical field and Kondo effects in Fe(Te0.9Se0.1) thin films by pulsed field measurements.  United States: N. p., 2016. 
Web.  doi:10.1038/srep21469.

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                    Salamon, Myron B., Cornell, Nicholas, Jaime, Marcelo, Balakirev, Fedor F., Zakhidov, Anvar, Huang, Jijie, & Wang, Haiyan. Upper critical field and Kondo effects in Fe(Te0.9Se0.1) thin films by pulsed field measurements.  United States.  https://doi.org/10.1038/srep21469

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                    Salamon, Myron B., Cornell, Nicholas, Jaime, Marcelo, Balakirev, Fedor F., Zakhidov, Anvar, Huang, Jijie, and Wang, Haiyan. Wed .  
"Upper critical field and Kondo effects in Fe(Te0.9Se0.1) thin films by pulsed field measurements".  United States.  https://doi.org/10.1038/srep21469.  https://www.osti.gov/servlets/purl/1259306.

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@article{osti_1259306,

  title        = {Upper critical field and Kondo effects in Fe(Te0.9Se0.1) thin films by pulsed field measurements},

  author       = {Salamon, Myron B. and Cornell, Nicholas and Jaime, Marcelo and Balakirev, Fedor F. and Zakhidov, Anvar and Huang, Jijie and Wang, Haiyan},

  abstractNote = {The transition temperatures of epitaxial films of Fe(Te0:9Se0:1) are remarkably insensitive to applied magnetic field, leading to predictions of upper critical fields Bc2(T = 0) in excess of 100 T. Using pulsed magnetic fields, we find Bc2(0) to be on the order of 45 T, similar to values in bulk material and still in excess of the paramagnetic limit. The same films show strong magnetoresistance in fields above Bc2(T), consistent with the observed Kondo minimum seen above Tc. Fits to the temperature dependence in the context of the WHH model, using the experimental value of the Maki parameter, require an effective spin-orbit relaxation parameter of order unity. Furthermore, we suggest that Kondo localization plays a similar role to spin-orbit pair breaking in making WHH fits to the data.},

  doi          = {10.1038/srep21469},

  journal      = {Scientific Reports},

  number       = ,

  volume       = 6,

  place        = {United States},

  year         = {Wed Feb 10 00:00:00 EST 2016},

  month        = {Wed Feb 10 00:00:00 EST 2016}

}

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Works referenced in this record:

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Journal of the American Chemical Society, Vol. 128, Issue 31
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Pauli limiting of the upper critical magnetic field
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Works referencing / citing this record:

Superconducting FeSe _0.1 Te _0.9 thin films integrated on Si-based substrates
journal, April 2018

Huang, Jijie; Chen, Li; Li, Leigang
Journal of Physics D: Applied Physics, Vol. 51, Issue 20
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Fe-based superconducting thin films—preparation and tuning of superconducting properties
journal, August 2019

Hänisch, J.; Iida, K.; Hühne, R.
Superconductor Science and Technology, Vol. 32, Issue 9
DOI: 10.1088/1361-6668/ab1c00

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Title: Upper critical field and Kondo effects in Fe(Te0.9Se0.1) thin films by pulsed field measurements

Abstract

Citation Formats

Superconductivity in the Presence of Strong Pauli Paramagnetism: Ce Cu 2 Si 2 journal, December 1979

Iron-Based Layered Superconductor: LaOFeP journal, August 2006

Review of Fe Chalcogenides as the Simplest Fe-Based Superconductor journal, October 2010

Temperature and Purity Dependence of the Superconducting Critical Field, H c 2 . III. Electron Spin and Spin-Orbit Effects journal, July 1966

Observation of a robust zero-energy bound state in iron-based superconductor Fe(Te,Se) journal, June 2015

Kondo Effect in Superconductors journal, February 1971

Upper Limit for the Critical Field in Hard Superconductors journal, September 1962

Se and Te Doping Study of the FeSe Superconductors journal, January 2008

Upper Critical Fields of the 11-System Iron-Chalcogenide Superconductor FeSe 0.25 Te 0.75 journal, November 2009

Superconductivity: A probe of the magnetic state of local moments in metals journal, March 1976

Magnetoresistivity of (La, Ce)Al2 alloys journal, September 1973

Iron-Based Layered Superconductor: LaOFeP journal, August 2006

Pauli limiting of the upper critical magnetic field journal, March 1989

Weak-coupling theory of high-temperature superconductivity in the antiferromagnetically correlated copper oxides journal, December 1992

Kondo Effect in a Magnetic Field and the Magnetoresistivity of Kondo Alloys journal, August 2000

Theory of Kondo Effect in Superconductors. I: Transition Temperature and Upper Critical Field journal, March 1977

Superconducting FeSe 0.1 Te 0.9 thin films integrated on Si-based substrates journal, April 2018

Fe-based superconducting thin films—preparation and tuning of superconducting properties journal, August 2019

Title: Upper critical field and Kondo effects in Fe(Te_0.9Se_0.1) thin films by pulsed field measurements

Superconductivity in the Presence of Strong Pauli Paramagnetism: Ce ${Cu}_{2}$ ${Si}_{2}$
journal, December 1979

Iron-Based Layered Superconductor: LaOFeP
journal, August 2006

Review of Fe Chalcogenides as the Simplest Fe-Based Superconductor
journal, October 2010

Temperature and Purity Dependence of the Superconducting Critical Field, $H_{c 2}$ . III. Electron Spin and Spin-Orbit Effects
journal, July 1966

Observation of a robust zero-energy bound state in iron-based superconductor Fe(Te,Se)
journal, June 2015

Kondo Effect in Superconductors
journal, February 1971

Upper Limit for the Critical Field in Hard Superconductors
journal, September 1962

Se and Te Doping Study of the FeSe Superconductors
journal, January 2008

Upper Critical Fields of the 11-System Iron-Chalcogenide Superconductor FeSe _0.25 Te _0.75
journal, November 2009

Superconductivity: A probe of the magnetic state of local moments in metals
journal, March 1976

Magnetoresistivity of (La, Ce)Al₂ alloys
journal, September 1973

Iron-Based Layered Superconductor: LaOFeP
journal, August 2006

Pauli limiting of the upper critical magnetic field
journal, March 1989

Weak-coupling theory of high-temperature superconductivity in the antiferromagnetically correlated copper oxides
journal, December 1992

Kondo Effect in a Magnetic Field and the Magnetoresistivity of Kondo Alloys
journal, August 2000

Theory of Kondo Effect in Superconductors. I: Transition Temperature and Upper Critical Field
journal, March 1977

Superconducting FeSe _0.1 Te _0.9 thin films integrated on Si-based substrates
journal, April 2018

Fe-based superconducting thin films—preparation and tuning of superconducting properties
journal, August 2019