Complex conductance of ultrathin La2-xSrxCuO4 films and heterostructures

Bozovic, I.

doi:10.1063/1.4935694

Title: Complex conductance of ultrathin La_2-xSr_xCuO₄ films and heterostructures

Journal Article · Fri Oct 23 00:00:00 EDT 2015 · Low Temperature Physics

DOI:https://doi.org/10.1063/1.4935694· OSTI ID:1240709

Bozovic, I. ^[1]

Brookhaven National Lab. (BNL), Upton, NY (United States); Yale Univ., New Haven, CT (United States)

We used atomic-layer molecular beam epitaxy to synthesize bilayers of a cuprate metal (La_1.55Sr_0.45CuO₄) and a cuprate insulator (La₂CuO₄), in which each layer is just one unit cells thick. We have studied the magnetic field and temperature dependence of the complex sheet conductance, σ(ω), of these films. Experiments have been carried out at frequencies between 2 and 50 MHz using the single-spiral coil technique. We found that: (i) the inductive response starts at ΔT = 3 K lower temperatures than Re σ(T), which in turn is characterized by a peak close to the transition, (ii) this shift is almost constant with magnetic field up to 14 mT; (iii) ΔT increases sharply up to 4 K at larger fields and becomes constant up to 8 T; (iv) the vortexdiffusion constant D(T) is not linear with T at low temperatures as in the case of free vortices, but is rather exponential due to pinning of vortex cores, and (v) the dynamic Berezinski–Kosterlitz–Thouless (BKT) transition temperature occurs at the point where Y=(l_ω/ξ+)² = 1. As a result, our experimental results can be described well by the extended dynamic theory of the BKT transition and dynamics of bound vortex–antivortex pairs with short separation lengths.

View Accepted Manuscript (DOE)

Cite

Export

Save

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

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

Grant/Contract Number:: SC00112704

OSTI ID:: 1240709

Report Number(s):: BNL-111883-2016-JA; LTPHEG; R&D Project: MA509MACA; KC0203020

Journal Information:: Low Temperature Physics, Vol. 41, Issue 12; ISSN 1063-777X

Publisher:: AIPCopyright Statement

Country of Publication:: United States

Language:: English

Citation Metrics:

Cited by: 1 work

Citation information provided by
Web of Science

References (32)

Ordering, metastability and phase transitions in two-dimensional systems Kosterlitz, J M; Thouless, D J Journal of Physics C: Solid State Physics, Vol. 6, Issue 7, p. 1181-1203 https://doi.org/10.1088/0022-3719/6/7/010	journal	April 1973
Kosterlitz-Thouless transition and charge redistribution in the superconductivity of YBCO/PBCO superlattices Rasolt, Mark; Edis, Taner; Tešanović, Zlatko Physical Review Letters, Vol. 66, Issue 22 https://doi.org/10.1103/PhysRevLett.66.2927	journal	June 1991
Vortex fluctuations and two-dimensional Coulomb-gas scaling for crystallineYBa2Cu3O7−x/PrBa2Cu3O7−xsuperlattices Minnhagen, Petter; Olsson, Peter Physical Review B, Vol. 45, Issue 10 https://doi.org/10.1103/PhysRevB.45.5722	journal	March 1992
Superconductivity of one-unit-cell thick ${YBa}_{2}$ ${Cu}_{3}$ $O_{7}$ thin film Terashima, T.; Shimura, K.; Bando, Y. Physical Review Letters, Vol. 67, Issue 10 https://doi.org/10.1103/PhysRevLett.67.1362	journal	September 1991
High critical current densities in ultrathin YBa ₂ Cu ₃ O _7−δ films sandwiched between (Pr _x Y _{1− x} )Ba ₂ Cu ₃ O _7−δ layers Kwon, C.; Li, Qi; Xi, X. X. Applied Physics Letters, Vol. 62, Issue 11 https://doi.org/10.1063/1.108710	journal	March 1993
Origin of theTcdepression and the role of charge transfer and dimensionality in ultrathinYBa2Cu3O7−δ Cieplak, Marta Z.; Guha, S.; Vadlamannati, S. Physical Review B, Vol. 50, Issue 17 https://doi.org/10.1103/PhysRevB.50.12876	journal	November 1994
Absence of a Kosterlitz-Thouless transition in ultrathin $Y {Ba}_{2} {Cu}_{3} O_{7 - δ}$ films Repaci, J. M.; Kwon, C.; Li, Qi Physical Review B, Vol. 54, Issue 14 https://doi.org/10.1103/PhysRevB.54.R9674	journal	October 1996
Normal-superconducting phase transition mimicked by current noise Sullivan, M. C.; Frederiksen, T.; Repaci, J. M. Physical Review B, Vol. 70, Issue 14 https://doi.org/10.1103/PhysRevB.70.140503	journal	October 2004
Size Effects in the Nonlinear Resistance and Flux Creep in a Virtual Berezinskii-Kosterlitz-Thouless State of Superconducting Films Gurevich, A.; Vinokur., V. M. Physical Review Letters, Vol. 100, Issue 22 https://doi.org/10.1103/PhysRevLett.100.227007	journal	June 2008
Possibility of Vortex-Antivortex Pair Dissociation in Two-Dimensional Superconductors Beasley, M. R.; Mooij, J. E.; Orlando, T. P. Physical Review Letters, Vol. 42, Issue 17, p. 1165-1168 https://doi.org/10.1103/PhysRevLett.42.1165	journal	April 1979
Renormalization of the Mean-Field Superconducting Penetration Depth in Epitaxial YBa2Cu3O7Films Fiory, A. T.; Hebard, A. F.; Mankiewich, P. M. Physical Review Letters, Vol. 61, Issue 12 https://doi.org/10.1103/PhysRevLett.61.1419	journal	September 1988
Kosterlitz-Thouless transition in high-Tcsuperconductor films Davis, L. C.; Beasley, M. R.; Scalapino, D. J. Physical Review B, Vol. 42, Issue 1 https://doi.org/10.1103/PhysRevB.42.99	journal	July 1990
Brownian motion of vortex-antivortex excitations in very thin films of ${Bi}_{2}$ ${Sr}_{2}$ ${CaCu}_{2}$ $O_{8}$ Rogers, C. T.; Myers, K. E.; Eckstein, J. N. Physical Review Letters, Vol. 69, Issue 1 https://doi.org/10.1103/PhysRevLett.69.160	journal	July 1992
The two-dimensional Coulomb gas, vortex unbinding, and superfluid-superconducting films Minnhagen, Petter Reviews of Modern Physics, Vol. 59, Issue 4 https://doi.org/10.1103/RevModPhys.59.1001	journal	October 1987
Dissipation in Two-Dimensional Superfluids Ambegaokar, Vinay; Halperin, B. I.; Nelson, David R. Physical Review Letters, Vol. 40, Issue 12 https://doi.org/10.1103/PhysRevLett.40.783	journal	March 1978
Dynamics of superfluid films Ambegaokar, Vinay; Halperin, B. I.; Nelson, David R. Physical Review B, Vol. 21, Issue 5 https://doi.org/10.1103/PhysRevB.21.1806	journal	March 1980
Resistive transition in superconducting films Halperin, B. I.; Nelson, David R. Journal of Low Temperature Physics, Vol. 36, Issue 5-6 https://doi.org/10.1007/BF00116988	journal	September 1979
Magnetic field, temperature and frequency dependence of complex conductance of ultra thin YBa₂Cu₃O_7-xfilms Gasparov, V.; Zhukova, E.; Voronkov, A. Journal of Physics: Conference Series, Vol. 150, Issue 5 https://doi.org/10.1088/1742-6596/150/5/052058	journal	March 2009
Magnetic field and temperature dependence of complex conductance of ultrathin La $_{1.65}$ Sr $_{0.45}$ CuO $_{4}$ /La $_{2}$ CuO $_{4}$ films Gasparov, V. A.; Božović, I. Physical Review B, Vol. 86, Issue 9 https://doi.org/10.1103/PhysRevB.86.094523	journal	September 2012
Magnetic field, frequency and temperature dependence of complex conductance of ultrathin La1.65Sr0.45CuO4∕La2CuO4 films and the organic superconductors κ-(BEDT-TTF)2Cu[N(CN)2]Br Gasparov, V. A.; He, Xi; Dubuis, G. International Journal of Modern Physics B, Vol. 29, Issue 25n26 https://doi.org/10.1142/S0217979215420126	journal	October 2015
Atomic-layer engineering of superconducting oxides: yesterday, today, tomorrow Bozovic, I. IEEE Transactions on Appiled Superconductivity, Vol. 11, Issue 1 https://doi.org/10.1109/77.919617	journal	March 2001
High-temperature interface superconductivity between metallic and insulating copper oxides Gozar, A.; Logvenov, G.; Kourkoutis, L. Fitting Nature, Vol. 455, Issue 7214, p. 782-785 https://doi.org/10.1038/nature07293	journal	October 2008
High-Temperature Superconductivity in a Single Copper-Oxygen Plane Logvenov, G.; Gozar, A.; Bozovic, I. Science, Vol. 326, Issue 5953 https://doi.org/10.1126/science.1178863	journal	October 2009
Temperature dependence of the penetration depth in epitaxial Y1Ba2Cu3O7−x thin films Gasparov, V. A.; Oganesyan, A. P. Physica C: Superconductivity, Vol. 178, Issue 4-6 https://doi.org/10.1016/0921-4534(91)90096-H	journal	August 1991
Very high resolution measurement of the penetration depth of superconductors by a novel single-coil inductance technique Gauzzi, A.; Le Cochec, J.; Lamura, G. Review of Scientific Instruments, Vol. 71, Issue 5 https://doi.org/10.1063/1.1150597	journal	May 2000
Penetration depths of high T _c films measured by two‐coil mutual inductances Fiory, A. T.; Hebard, A. F.; Mankiewich, P. M. Applied Physics Letters, Vol. 52, Issue 25 https://doi.org/10.1063/1.99757	journal	June 1988
Inductive conductance measurements in two‐dimensional superconducting systems Jeanneret, B.; Gavilano, J. L.; Racine, G. A. Applied Physics Letters, Vol. 55, Issue 22 https://doi.org/10.1063/1.102053	journal	November 1989
Noncontacting measurement of the inductive nonlinearity of a superconducting thin film Claassen, J. H. Applied Physics Letters, Vol. 82, Issue 4 https://doi.org/10.1063/1.1539554	journal	January 2003
Numerical modeling and experimental considerations for a two-coil apparatus to measure the complex conductivity of superconducting films Turneaure, Stefan J.; Pesetski, Aaron A.; Lemberger, Thomas R. Journal of Applied Physics, Vol. 83, Issue 8 https://doi.org/10.1063/1.367193	journal	April 1998
Berezinskii-Kosterlitz-Thouless transition and fluctuation paraconductivity in Y1Ba2Cu3O7 single crystal films Gasparov, V. A. Physica C: Superconductivity, Vol. 178, Issue 4-6 https://doi.org/10.1016/0921-4534(91)90097-I	journal	August 1991
Two-gap superconductivity in $Zr B_{12}$ : Temperature dependence of critical magnetic fields in single crystals Gasparov, V. A.; Sidorov, N. S.; Zver’kova, I. I. Physical Review B, Vol. 73, Issue 9 https://doi.org/10.1103/PhysRevB.73.094510	journal	March 2006
Sub-millikelvin stabilization of a closed cycle cryocooler Dubuis, Guy; He, Xi; Božović, Ivan Review of Scientific Instruments, Vol. 85, Issue 10 https://doi.org/10.1063/1.4896049	journal	October 2014

Cited By (1)

Dopant size effects on novel functionalities: High-temperature interfacial superconductivity Suyolcu, Y. Eren; Wang, Yi; Baiutti, Federico Scientific Reports, Vol. 7, Issue 1 https://doi.org/10.1038/s41598-017-00539-4	journal	March 2017

Similar Records

Magnetic field, frequency and temperature dependence of complex conductance of ultrathin La_1.65Sr_0.45CuO₄/La₂CuO₄ films and the organic superconductors κ-(BEDT-TTF)₂Cu[N(CN)₂]Br

Journal Article · Tue Sep 01 00:00:00 EDT 2015 · International Journal of Modern Physics B · OSTI ID:1240709

Bozovic, I.; He, Xi; Dubuis, G.; +4 more

Magnetic field, frequency and temperature dependence of complex conductance of ultrathin La1.65Sr0.45CuO4/La2CuO4 films and the organic superconductors κ-(BEDT-TTF)2Cu[N(CN)2]Br

Journal Article · Tue Oct 20 00:00:00 EDT 2015 · International Journal of Modern Physics B · OSTI ID:1240709

Gasparov, V. A.; He, Xi; Dubuis, G.; +5 more

Oscillating paramagnetic Meissner effect and Berezinskii-Kosterlitz-Thouless transition in underdoped Bi2Sr2CaCu2O8+δ

Journal Article · Mon Sep 18 00:00:00 EDT 2023 · National Science Review · OSTI ID:1240709

Wang, Shiyuan; Yu, Yijun; Hao, Jinxiang; +11 more

Related Subjects

75 CONDENSED MATTER PHYSICS
SUPERCONDUCTIVITY AND SUPERFLUIDITY
superconducting heterostructures
high-frequency conductivity
Berezinski-Kosterlitz-Thouless transition
rotating flows
coils
inductance
magnetic fields
metallic thin films

Title: Complex conductance of ultrathin La2-xSrxCuO4 films and heterostructures

Citation Formats

References (32)

Cited By (1)

Similar Records

Related Subjects

Title: Complex conductance of ultrathin La_2-xSr_xCuO₄ films and heterostructures