Location of the Oxygen dopant in the high temperature superconductor HgBa2CuO 4+δ from 199Hg NMR

Stolt, Ingrid; Lee, Jeongseop A.; Mounce, A. M.; Xin, Yizhou; Halperin, W. P.

doi:10.1016/j.physc.2018.10.001

Title: Location of the Oxygen dopant in the high temperature superconductor HgBa₂CuO $_{4 + δ}$ from ¹⁹⁹Hg NMR

Abstract

In the high temperature cuprate superconductor, HgBa₂CuO $_{4 + δ},$ , it has been determined that the dopant oxygen, O_δ, resides in the Hg-plane. We present a systematic investigation of the ¹⁹⁹Hg NMR spectrum as a function of dopant oxygen concentration, δ. At high doping levels we observe four distinct ¹⁹⁹Hg resonance peaks which follow a binomial distribution in δ corresponding to zero, one, two, and three nearest neighbor O_δ atoms. Finally and additionally, we have measured a linear dependence of the peak frequencies on doping and suggest that these measurements might be theoretically amenable.

Authors:

Stolt, Ingrid ^[1]; Lee, Jeongseop A. ^[1]; Mounce, A. M. ^[1]; Xin, Yizhou ^[1]; Halperin, W. P. ^[1]

Northwestern Univ., Evanston, IL (United States). Dept. of Physics and Astronomy

Publication Date:: Thu Oct 11 00:00:00 EDT 2018

Research Org.:: Northwestern Univ., Evanston, IL (United States)

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

OSTI Identifier:: 1476916

Alternate Identifier(s):: OSTI ID: 1636617

Grant/Contract Number:: FG02-05ER46248

Resource Type:: Accepted Manuscript

Journal Name:: Physica. C, Superconductivity

Additional Journal Information:: Journal Volume: 555; Journal ID: ISSN 0921-4534

Publisher:: Elsevier

Country of Publication:: United States

Language:: English

Subject:: 75 CONDENSED MATTER PHYSICS, SUPERCONDUCTIVITY AND SUPERFLUIDITY; cuprates; nuclear magnetic resonance; hole doping

Citation Formats


                    Stolt, Ingrid, Lee, Jeongseop A., Mounce, A. M., Xin, Yizhou, and Halperin, W. P. Location of the Oxygen dopant in the high temperature superconductor HgBa2CuO 4+δ from 199Hg NMR.  United States: N. p., 2018. 
Web.  doi:10.1016/j.physc.2018.10.001.

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                    Stolt, Ingrid, Lee, Jeongseop A., Mounce, A. M., Xin, Yizhou, & Halperin, W. P. Location of the Oxygen dopant in the high temperature superconductor HgBa2CuO 4+δ from 199Hg NMR.  United States.  https://doi.org/10.1016/j.physc.2018.10.001

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                    Stolt, Ingrid, Lee, Jeongseop A., Mounce, A. M., Xin, Yizhou, and Halperin, W. P. Thu .  
"Location of the Oxygen dopant in the high temperature superconductor HgBa2CuO 4+δ from 199Hg NMR".  United States.  https://doi.org/10.1016/j.physc.2018.10.001.  https://www.osti.gov/servlets/purl/1476916.

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@article{osti_1476916,

  title        = {Location of the Oxygen dopant in the high temperature superconductor HgBa2CuO 4+δ from 199Hg NMR},

  author       = {Stolt, Ingrid and Lee, Jeongseop A. and Mounce, A. M. and Xin, Yizhou and Halperin, W. P.},

  abstractNote = {In the high temperature cuprate superconductor, HgBa2CuO4+δ,, it has been determined that the dopant oxygen, Oδ, resides in the Hg-plane. We present a systematic investigation of the 199Hg NMR spectrum as a function of dopant oxygen concentration, δ. At high doping levels we observe four distinct 199Hg resonance peaks which follow a binomial distribution in δ corresponding to zero, one, two, and three nearest neighbor Oδ atoms. Finally and additionally, we have measured a linear dependence of the peak frequencies on doping and suggest that these measurements might be theoretically amenable.},

  doi          = {10.1016/j.physc.2018.10.001},

  journal      = {Physica. C, Superconductivity},

  number       = ,

  volume       = 555,

  place        = {United States},

  year         = {Thu Oct 11 00:00:00 EDT 2018},

  month        = {Thu Oct 11 00:00:00 EDT 2018}

}

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Journal Article:

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https://doi.org/10.1016/j.physc.2018.10.001

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Figures / Tables:

Figure 1: Block diagram of the ¹⁷O isotope exchange and annealing system for low pressure (≤ 1 bar ¹⁷O). For high pressure procedures a non-circulating, high-pressure extension of the system was implemented with the source of pressure provided by the charcoal dipstick.

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