Electron scattering, charge order, and pseudogap physics in La1.6-xNd0.4SrxCuO4: An angle-resolved photoemission spectroscopy study
We report an angle-resolved photoemission study of the charge stripe ordered La1.6-xNd0.4SrxCuO4 (Nd-LSCO) system. A comparative and quantitative line-shape analysis is presented as the system evolves from the overdoped regime into the charge ordered phase. On the overdoped side (x = 0.20), a normal-state antinodal spectral gap opens upon cooling below 80 K. In this process, spectral weight is preserved but redistributed to larger energies. A correlation between this spectral gap and electron scattering is found. A different line shape is observed in the antinodal region of charge ordered Nd-LSCO x = 1/8. Significant low-energy spectral weight appears to be lost. These observations are discussed in terms of spectral-weight redistribution and gapping originating from charge stripe ordering.
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Matt, C. E., Fatuzzo, C. G., Sassa, Y., Mansson, M., Fatale, S., Bitetta, V., Shi, X., Pailhes, S., Berntsen, M. H., Kurosawa, T., Oda, M., Momono, N., Lipscombe, O. J., Hayden, S. M., Yan, J.-Q., Zhou, J.-S., Goodenough, J. B., Pyon, S., Takayama, T., et al. (2015). Electron scattering, charge order, and pseudogap physics in La1.6-xNd0.4SrxCuO4: An angle-resolved photoemission spectroscopy study. Physical Review B, 92(13), Article 134524. https://doi.org/10.1103/PhysRevB.92.134524
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WOS:000363518800002
2015
92
13
134524
REVIEWED
EPFL