Direct measurement of the London penetration depth in YBa2 Cu3 O6.92 using low-energy μsR

R. F. Kiefl; M. D. Hossain; B. M. Wojek; S. R. Dunsiger; G. D. Morris; T. Prokscha; Z. Salman; J. Baglo; D. A. Bonn; R. Liang; W. N. Hardy; A. Suter; E. Morenzoni

doi:10.1103/PhysRevB.81.180502

Direct measurement of the London penetration depth in YBa₂ Cu₃ O_6.92 using low-energy μsR

R. F. Kiefl
, M. D. Hossain
, B. M. Wojek
, S. R. Dunsiger
, G. D. Morris
, T. Prokscha
, Z. Salman
, J. Baglo
, D. A. Bonn
, R. Liang
, W. N. Hardy
, A. Suter
, E. Morenzoni

Research output: Contribution to journal › Article › peer-review

36 Scopus citations

Abstract

A direct measurement of the London penetration depth in the high- Tc superconductor YBa₂ Cu₃O_6.92 has been made using low-energy μSR with an effective background suppression method. The average magnetic field versus mean depth was measured in the Meissner state of high-purity detwinned crystals of YBa₂ Cu₃ O _6.92. The resulting magnetic field profiles along the a and b axes are consistent with a local London model beyond 10 nm but there are deviations close to the surface. The absolute values of λ_a and λ_b extrapolated to zero temperature are 126.1±1. 2±3 and 105.5±1.0±3 nm, respectively. These results are compared with other less direct methods and extend the use of low-energy μSR to small crystals.

Original language	English
Article number	180502
Journal	Physical Review B - Condensed Matter and Materials Physics
Volume	81
Issue number	18
DOIs	https://doi.org/10.1103/PhysRevB.81.180502
State	Published - 7 May 2010
Externally published	Yes

ASJC Scopus subject areas

Electronic, Optical and Magnetic Materials
Condensed Matter Physics

Access to Document

10.1103/PhysRevB.81.180502

Cite this

Kiefl, R. F., Hossain, M. D., Wojek, B. M., Dunsiger, S. R., Morris, G. D., Prokscha, T., Salman, Z., Baglo, J., Bonn, D. A., Liang, R., Hardy, W. N., Suter, A., & Morenzoni, E. (2010). Direct measurement of the London penetration depth in YBa₂ Cu₃ O_6.92 using low-energy μsR. Physical Review B - Condensed Matter and Materials Physics, 81(18), Article 180502. https://doi.org/10.1103/PhysRevB.81.180502

@article{2bfafbea31f44798bcd8bf9ddf25dd34,

title = "Direct measurement of the London penetration depth in YBa2 Cu3 O6.92 using low-energy μsR",

abstract = "A direct measurement of the London penetration depth in the high- Tc superconductor YBa2 Cu3O6.92 has been made using low-energy μSR with an effective background suppression method. The average magnetic field versus mean depth was measured in the Meissner state of high-purity detwinned crystals of YBa2 Cu3 O 6.92. The resulting magnetic field profiles along the a and b axes are consistent with a local London model beyond 10 nm but there are deviations close to the surface. The absolute values of λa and λb extrapolated to zero temperature are 126.1±1. 2±3 and 105.5±1.0±3 nm, respectively. These results are compared with other less direct methods and extend the use of low-energy μSR to small crystals.",

author = "Kiefl, \{R. F.\} and Hossain, \{M. D.\} and Wojek, \{B. M.\} and Dunsiger, \{S. R.\} and Morris, \{G. D.\} and T. Prokscha and Z. Salman and J. Baglo and Bonn, \{D. A.\} and R. Liang and Hardy, \{W. N.\} and A. Suter and E. Morenzoni",

year = "2010",

month = may,

day = "7",

doi = "10.1103/PhysRevB.81.180502",

language = "English",

volume = "81",

journal = "Physical Review B - Condensed Matter and Materials Physics",

issn = "1098-0121",

publisher = "American Physical Society",

number = "18",

}

Kiefl, RF, Hossain, MD, Wojek, BM, Dunsiger, SR, Morris, GD, Prokscha, T, Salman, Z, Baglo, J, Bonn, DA, Liang, R, Hardy, WN, Suter, A & Morenzoni, E 2010, 'Direct measurement of the London penetration depth in YBa₂ Cu₃ O_6.92 using low-energy μsR', Physical Review B - Condensed Matter and Materials Physics, vol. 81, no. 18, 180502. https://doi.org/10.1103/PhysRevB.81.180502

TY - JOUR

T1 - Direct measurement of the London penetration depth in YBa2 Cu3 O6.92 using low-energy μsR

AU - Kiefl, R. F.

AU - Hossain, M. D.

AU - Wojek, B. M.

AU - Dunsiger, S. R.

AU - Morris, G. D.

AU - Prokscha, T.

AU - Salman, Z.

AU - Baglo, J.

AU - Bonn, D. A.

AU - Liang, R.

AU - Hardy, W. N.

AU - Suter, A.

AU - Morenzoni, E.

PY - 2010/5/7

Y1 - 2010/5/7

N2 - A direct measurement of the London penetration depth in the high- Tc superconductor YBa2 Cu3O6.92 has been made using low-energy μSR with an effective background suppression method. The average magnetic field versus mean depth was measured in the Meissner state of high-purity detwinned crystals of YBa2 Cu3 O 6.92. The resulting magnetic field profiles along the a and b axes are consistent with a local London model beyond 10 nm but there are deviations close to the surface. The absolute values of λa and λb extrapolated to zero temperature are 126.1±1. 2±3 and 105.5±1.0±3 nm, respectively. These results are compared with other less direct methods and extend the use of low-energy μSR to small crystals.

AB - A direct measurement of the London penetration depth in the high- Tc superconductor YBa2 Cu3O6.92 has been made using low-energy μSR with an effective background suppression method. The average magnetic field versus mean depth was measured in the Meissner state of high-purity detwinned crystals of YBa2 Cu3 O 6.92. The resulting magnetic field profiles along the a and b axes are consistent with a local London model beyond 10 nm but there are deviations close to the surface. The absolute values of λa and λb extrapolated to zero temperature are 126.1±1. 2±3 and 105.5±1.0±3 nm, respectively. These results are compared with other less direct methods and extend the use of low-energy μSR to small crystals.

UR - https://www.scopus.com/pages/publications/77955447365

U2 - 10.1103/PhysRevB.81.180502

DO - 10.1103/PhysRevB.81.180502

M3 - Article

AN - SCOPUS:77955447365

SN - 1098-0121

VL - 81

JO - Physical Review B - Condensed Matter and Materials Physics

JF - Physical Review B - Condensed Matter and Materials Physics

IS - 18

M1 - 180502