STM of quasiparticle scattering resonances in Bi2Sr2CaCu2O8+δ

E. W. Hudson; S. H. Pan; K. M. Lang; A. K. Gupta; K. W. Ng; J. C. Davis

doi:10.1016/S0921-4526(99)02299-1

STM of quasiparticle scattering resonances in Bi₂Sr₂CaCu₂O_8+δ

E. W. Hudson
, S. H. Pan
, K. M. Lang
, A. K. Gupta
, K. W. Ng
, J. C. Davis

Producción científica: Article › revisión exhaustiva

3 Citas (Scopus)

Resumen

High-resolution, low-temperature scanning tunneling microscopy and spectroscopy on Bi₂Sr₂CaCu₂O_8+δ reveal the existence of large numbers of scattering centers in this material. The spatial and spectroscopic characteristics of these features are consistent with theories of quasiparticle scattering from atomic scale impurities in a d-wave superconductor. These characteristics include breaking of local particle-hole symmetry and an inverse square dependence of their local density-of-states (LDOS) on distance from the scattering center. Furthermore, these observations identify a source for the anomalously high levels of low-energy excitations in Bi₂Sr₂CaCu₂O_8+δ at low-temperatures.

Idioma original	English
Páginas (desde-hasta)	969-970
Número de páginas	2
Publicación	Physica B: Condensed Matter
Volumen	284-288
N.º	PART I
DOI	https://doi.org/10.1016/S0921-4526(99)02299-1
Estado	Published - 2000

Nota bibliográfica

Funding Information:
We acknowledge and thank A. Balatsky, M. Flatté, M. Franz, A. de Lozanne, K. Moler, J. Orenstein, R.E. Packard and D.J. Scalapino for helpful conversations. This work was funded by the N.S.F., the D. & L. Packard Foundation, and the Department of Energy.

Financiación

We acknowledge and thank A. Balatsky, M. Flatté, M. Franz, A. de Lozanne, K. Moler, J. Orenstein, R.E. Packard and D.J. Scalapino for helpful conversations. This work was funded by the N.S.F., the D. & L. Packard Foundation, and the Department of Energy.

Financiadores
D. & L. Packard Foundation
Michigan State University-U.S. Department of Energy (MSU-DOE) Plant Research Laboratory

ASJC Scopus subject areas

Electronic, Optical and Magnetic Materials
Condensed Matter Physics
Electrical and Electronic Engineering

Acceder al documento

10.1016/S0921-4526(99)02299-1

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title = "STM of quasiparticle scattering resonances in Bi2Sr2CaCu2O8+δ",

abstract = "High-resolution, low-temperature scanning tunneling microscopy and spectroscopy on Bi2Sr2CaCu2O8+δ reveal the existence of large numbers of scattering centers in this material. The spatial and spectroscopic characteristics of these features are consistent with theories of quasiparticle scattering from atomic scale impurities in a d-wave superconductor. These characteristics include breaking of local particle-hole symmetry and an inverse square dependence of their local density-of-states (LDOS) on distance from the scattering center. Furthermore, these observations identify a source for the anomalously high levels of low-energy excitations in Bi2Sr2CaCu2O8+δ at low-temperatures.",

keywords = "Bi-2212, Quasiparticle scattering resonances, STM/STS",

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note = "Funding Information: We acknowledge and thank A. Balatsky, M. Flatt{\'e}, M. Franz, A. de Lozanne, K. Moler, J. Orenstein, R.E. Packard and D.J. Scalapino for helpful conversations. This work was funded by the N.S.F., the D. \& L. Packard Foundation, and the Department of Energy.",

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doi = "10.1016/S0921-4526(99)02299-1",

language = "English",

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T1 - STM of quasiparticle scattering resonances in Bi2Sr2CaCu2O8+δ

AU - Hudson, E. W.

AU - Pan, S. H.

AU - Lang, K. M.

AU - Gupta, A. K.

AU - Ng, K. W.

AU - Davis, J. C.

N1 - Funding Information: We acknowledge and thank A. Balatsky, M. Flatté, M. Franz, A. de Lozanne, K. Moler, J. Orenstein, R.E. Packard and D.J. Scalapino for helpful conversations. This work was funded by the N.S.F., the D. & L. Packard Foundation, and the Department of Energy.

PY - 2000

Y1 - 2000

N2 - High-resolution, low-temperature scanning tunneling microscopy and spectroscopy on Bi2Sr2CaCu2O8+δ reveal the existence of large numbers of scattering centers in this material. The spatial and spectroscopic characteristics of these features are consistent with theories of quasiparticle scattering from atomic scale impurities in a d-wave superconductor. These characteristics include breaking of local particle-hole symmetry and an inverse square dependence of their local density-of-states (LDOS) on distance from the scattering center. Furthermore, these observations identify a source for the anomalously high levels of low-energy excitations in Bi2Sr2CaCu2O8+δ at low-temperatures.

AB - High-resolution, low-temperature scanning tunneling microscopy and spectroscopy on Bi2Sr2CaCu2O8+δ reveal the existence of large numbers of scattering centers in this material. The spatial and spectroscopic characteristics of these features are consistent with theories of quasiparticle scattering from atomic scale impurities in a d-wave superconductor. These characteristics include breaking of local particle-hole symmetry and an inverse square dependence of their local density-of-states (LDOS) on distance from the scattering center. Furthermore, these observations identify a source for the anomalously high levels of low-energy excitations in Bi2Sr2CaCu2O8+δ at low-temperatures.

KW - Bi-2212

KW - Quasiparticle scattering resonances

KW - STM/STS

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JF - Physica B: Condensed Matter

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