Observation of a field-driven structural phase transition in the flux line lattice in ErNi2B2C

M.R. Eskildsen; P.L. Gammel; B.P. Barber; U. Yaron; A.P. Ramirez; D.A. Huse; D.J. Bishop; C. Bolle; C.M. Lieber; S. Oxx; S. Sridhar; N.H. Andersen; K. Mortensen; P.C. Canfield

doi:10.1103/PhysRevLett.78.1968

Observation of a field-driven structural phase transition in the flux line lattice in ErNi₂B₂C

M.R. Eskildsen
, P.L. Gammel
, B.P. Barber
, U. Yaron
, A.P. Ramirez
, D.A. Huse
, D.J. Bishop
, C. Bolle
, C.M. Lieber
, S. Oxx
, S. Sridhar
, N.H. Andersen
, K. Mortensen
, P.C. Canfield

Research output: Contribution to journal › Journal article › Research

Abstract

Small-angle neutron scattering and magnetic decoration both demonstrate a topological transition in the flux line lattice (FLL) in ErNi2B2C. The high-field square lattice slowly transforms into a hexagonal lattice via an area preserving [100] rhombohedral distortion below roughly 500 Oe. The square FLL is aligned with the [110] direction of the tetragonal crystal, while the two domains of the hexagonal FLL are aligned with [100] and [010]. The differences in pinning for the two FLL topologies are reflected in the rf kinetic inductance.

Original language	English
Journal	Physical Review Letters
Volume	78
Issue number	10
Pages (from-to)	1968-1971
ISSN	0031-9007
DOIs	https://doi.org/10.1103/PhysRevLett.78.1968
Publication status	Published - 1997

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Eskildsen, M. R., Gammel, P. L., Barber, B. P., Yaron, U., Ramirez, A. P., Huse, D. A., Bishop, D. J., Bolle, C., Lieber, C. M., Oxx, S., Sridhar, S., Andersen, N. H., Mortensen, K., & Canfield, P. C. (1997). Observation of a field-driven structural phase transition in the flux line lattice in ErNi₂B₂C. Physical Review Letters, 78(10), 1968-1971. https://doi.org/10.1103/PhysRevLett.78.1968

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title = "Observation of a field-driven structural phase transition in the flux line lattice in ErNi2B2C",

abstract = "Small-angle neutron scattering and magnetic decoration both demonstrate a topological transition in the flux line lattice (FLL) in ErNi2B2C. The high-field square lattice slowly transforms into a hexagonal lattice via an area preserving [100] rhombohedral distortion below roughly 500 Oe. The square FLL is aligned with the [110] direction of the tetragonal crystal, while the two domains of the hexagonal FLL are aligned with [100] and [010]. The differences in pinning for the two FLL topologies are reflected in the rf kinetic inductance. ",

keywords = "Nye funktionelle materialer",

author = "M.R. Eskildsen and P.L. Gammel and B.P. Barber and U. Yaron and A.P. Ramirez and D.A. Huse and D.J. Bishop and C. Bolle and C.M. Lieber and S. Oxx and S. Sridhar and N.H. Andersen and K. Mortensen and P.C. Canfield",

year = "1997",

doi = "10.1103/PhysRevLett.78.1968",

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volume = "78",

pages = "1968--1971",

journal = "Physical Review Letters",

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Eskildsen, MR, Gammel, PL, Barber, BP, Yaron, U, Ramirez, AP, Huse, DA, Bishop, DJ, Bolle, C, Lieber, CM, Oxx, S, Sridhar, S, Andersen, NH, Mortensen, K & Canfield, PC 1997, 'Observation of a field-driven structural phase transition in the flux line lattice in ErNi₂B₂C', Physical Review Letters, vol. 78, no. 10, pp. 1968-1971. https://doi.org/10.1103/PhysRevLett.78.1968

TY - JOUR

T1 - Observation of a field-driven structural phase transition in the flux line lattice in ErNi2B2C

AU - Eskildsen, M.R.

AU - Gammel, P.L.

AU - Barber, B.P.

AU - Yaron, U.

AU - Ramirez, A.P.

AU - Huse, D.A.

AU - Bishop, D.J.

AU - Bolle, C.

AU - Lieber, C.M.

AU - Oxx, S.

AU - Sridhar, S.

AU - Andersen, N.H.

AU - Mortensen, K.

AU - Canfield, P.C.

PY - 1997

Y1 - 1997

N2 - Small-angle neutron scattering and magnetic decoration both demonstrate a topological transition in the flux line lattice (FLL) in ErNi2B2C. The high-field square lattice slowly transforms into a hexagonal lattice via an area preserving [100] rhombohedral distortion below roughly 500 Oe. The square FLL is aligned with the [110] direction of the tetragonal crystal, while the two domains of the hexagonal FLL are aligned with [100] and [010]. The differences in pinning for the two FLL topologies are reflected in the rf kinetic inductance.

AB - Small-angle neutron scattering and magnetic decoration both demonstrate a topological transition in the flux line lattice (FLL) in ErNi2B2C. The high-field square lattice slowly transforms into a hexagonal lattice via an area preserving [100] rhombohedral distortion below roughly 500 Oe. The square FLL is aligned with the [110] direction of the tetragonal crystal, while the two domains of the hexagonal FLL are aligned with [100] and [010]. The differences in pinning for the two FLL topologies are reflected in the rf kinetic inductance.

KW - Nye funktionelle materialer

U2 - 10.1103/PhysRevLett.78.1968

DO - 10.1103/PhysRevLett.78.1968

M3 - Journal article

SN - 0031-9007

VL - 78

SP - 1968

EP - 1971

JO - Physical Review Letters

JF - Physical Review Letters

IS - 10