Infrared Ellipsometric Investigations of Free Carriers and Lattice Vibrations in Superconducting Cuprates
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| Year of publication | 2013 |
| Type | Chapter of a book |
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| Description | Since the discovery of superconductivity in copper oxides by Bednorz and Müller in 1986, these compounds attracted unprecedented interest of solid state researchers, both experimentalists and theoreticians. The understanding of cuprates at the microscopic level remains one of central problems of the present solid state physics. Among the key issues, the origin of the superconductivity and the unusual pseudogap phase are most intensely debated. In this chapter we discuss the spectral ellipsometry as a very powerful experimental technique used to gain insight into the peculiar nature of the cuprates. Since the energy scales of the superconducting phenomena belong to the far-infrared range, the corresponding experimental setup is rather different to that commonly used in the visible and ultraviolet spectral range. |
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