Download Angle-Resolved Photoemission Spectroscopy on by Junfeng He PDF

By Junfeng He

This booklet ordinarily specializes in the research of the high-temperature superconductor Bi2Sr2CaCu2O8+δ (Bi2212) and single-layer FeSe movie grown on SrTiO3 (STO) substrate via angle-resolved photoemission spectroscopy (ARPES). It presents the 1st digital proof for the foundation of the anomalous high-temperature superconductivity in single-layer FeSe grown on SrTiO3 substrate. coexisted sharp-mode couplings were pointed out in superconducting Bi2212. the 1st ARPES research on single-layer FeSe/STO motion pictures has supplied key insights into the digital foundation of superconductivity during this procedure. A part diagram and digital indication of excessive Tc and insulator to superconductor crossover were tested within the single-layer FeSe/STO motion pictures. Readers will locate crucial details at the strategies used and engaging actual phenomena saw via ARPES.

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Extra info for Angle-Resolved Photoemission Spectroscopy on High-Temperature Superconductors: Studies of Bi2212 and Single-Layer FeSe Film Grown on SrTiO3 Substrate

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Rev. Lett. 85, 2581–2584 (2000) 28. : D-wave pairing near a spin-density-wave instability. Phys. Rev. B 34(11), 8190–8192 (1986) 29. : Non-Fermi-liquid states and pairing instability of a general model of copper oxide metals. Phys. Rev. B 55(21), 14554–14580 (1997) 30. : Evidence for ubiquitous strong electron-phonon coupling in high-temperature superconductors. Nature (London) 412(6846), 510–514 (2001) 31. : Mass-renormalized electronic excitations at (π , 0) in the superconducting state of Bi2 Sr2 CaCu2 O8+δ .

In this chapter, a general introduction of the typical ARPES systems will be given and the performance of the aforementioned laser-based ARPES systems will be described. © Springer-Verlag Berlin Heidelberg 2016 J. 1 Constituents of a Typical ARPES System Angle-resolved photoemission spectroscopy (ARPES) system is a powerful experimental tool to study the electronic structures in the materials with exotic physical phenomena. As described in the last chapter, the ARPES measurements are based on the photoemission process.

1 mm. 8◦ for the 30◦ angular mode. 8◦ for the 30◦ angular mode. As Fig. 9 Angle resolution test of the VUV laser ARPES system. The measurements were taken with pass energy of 1 eV (a), 2 eV (b), and 5 eV (c), respectively. d, the Scienta wire-and-slit device.

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