Effect of Zn and Ni impurities on the quasiparticle renormalization in Bi-2212

Abstract

The Cu substitution by Zn and Ni impurities and its influence on the mass renormalization effects in angle resolved photoelectron spectra (ARPES) of Bi-2212 is addressed. We show that the nonmagnetic Zn atoms have much stronger effect both in nodal and antinodal parts of the Brillouin zone than magnetic Ni. The observed changes are consistent with the behaviour of the spin resonance mode as seen by inelastic neutron scattering in YBCO. This strongly suggests that the "peak-dip-hump" and the "kink" in ARPES on the one side and neutron resonance on the other are closely related features.

arXiv comment4 pages, 3 figures

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Cited by in corpus (13)

• Bosons in high temperature superconductors: an experimental survey
• Constituents of the "kink" in high-Tc cuprates
• Renormalization of Bulk Magnetic Electron States at High Binding Energies
• An ARPES view on the high-Tc problem: phonons vs spin-fluctuations
• Effects of out-of-plane disorder on the nodal quasiparticle and superconducting gap in single-layer Bi${}_2$Sr${}_{1.6}L{n}_{0.4}$CuO${}_{6+\delta }$ ($Ln$ = La, Nd, Gd)
• Aspects of Electron-Phonon Self-Energy Revealed from Angle-Resolved Photoemission Spectroscopy
• Strong-coupling analysis of scanning tunneling spectra in Bi${}_2$Sr${}_2$Ca${}_2$Cu${}_3$O${}_{10+\delta }$
• A reevaluation of the coupling to a bosonic mode of the charge carriers in (Bi,Pb)${}_2$Sr${}_2$CaCu${}_2$O${}_{8+\delta }$ at the antinodal point
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• Zn-impurity effects on quasi-particle scattering in La2-xSrxCuO4 studied by angle-resolved photoemission spectroscopy
• Kink structure in the electronic dispersion of high-Tc superconductors from the electron-phonon interaction
• Effect of spin excitations on the property of quasiparticles in electron-doped cuprates
• Role of the upper branch of the hour-glass magnetic spectrum in the formation of the main kink in the electronic dispersion of high-T${}_{\text{c}}$ cuprate superconductors