ISSN:
0392-6737
Keywords:
Response to electromagnetic fields
;
nuclear magnetic resonance
;
ultrasonic attenuation
;
Scattering by phonons, magnons, and other nonlocalized excitations
;
Superconducting perovskites and related structures
;
Refractive index, reflectivity, critical angle, dispersive power
;
Conference proceedings
Source:
Springer Online Journal Archives 1860-2000
Topics:
Physics
Notes:
Summary Evidence of polaron formation in superconducting cuprates is provided by infrared reflectivity spectra. In the Nd−Ce−Cu−O withT c≈20 K, polaron formation corresponds to vibrational local modes in the far-infrared and to a band in the mid-infrared built up through overtones and combination bands of these modes. A comparison with infrared spectra taken by different groups on Y−Ba−Cu−O, and Tl−Sr−Ca−Cu−O suggests that polarons survive in the highest-T c superconductors.
Type of Medium:
Electronic Resource
URL:
http://dx.doi.org/10.1007/BF02462168
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