By Wentao Zhang

ISBN-10: 3642324711

ISBN-13: 9783642324710

ISBN-10: 364232472X

ISBN-13: 9783642324727

This ebook ordinarily makes a speciality of the learn of the high-temperature superconductor Bi2Sr2CaCu2O8 by means of vacuum, ultra-violet, laser-based, angle-resolved photoemission spectroscopy (ARPES). a brand new type of electron coupling has been pointed out in Bi2212, which happens within the superconducting kingdom. For the 1st time, the Bogoliubov quasiparticle dispersion with a transparent band back-bending has been saw with peaks within the momentum distribution curve within the superconducting country at a low temperature. Readers will locate valuable information regarding the means of angle-resolved photoemission and the learn of high-temperature superconductors utilizing this system.
Dr. Wentao Zhang acquired his PhD from the Institute of Physics on the chinese language Academy of Sciences.

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Additional info for Photoemission Spectroscopy on High Temperature Superconductor: A Study of Bi2Sr2CaCu2O8 by Laser-Based Angle-Resolved Photoemission

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Solid State Physics, Holt-Saunders International Editions: Science: Physics. Holt, Rinehart & Winston, New York (1976) 73. : Flux quantization in a high-Tc superconductor. Nature 326(6116), 855 (1987) 74. : Superconductivity, vol. II. Dekker, New York (1969) 75. : Superconductivity, vol. II. Dekker, New York (1969) 76. : Angle-resolved photoemission spectroscopy of electron-doped cuprate superconductors: isotropic electronphonon coupling. Phys. Rev. Lett. 101(11), 117006 (2008) 77. 15 )CuO4 superconductor from laser-based angleresolved photoemission spectroscopy.

Based on the experience of developing the VUV laser ARPES system, we designed a spin resolved ARPES system equipped with a powerful VUV laser, and the 3D model of the system is shown in Fig. 17. In addition to the spin resolved detector, a self designed ultra low temperature cryostat with four-axes of freedom (polar angle rotation and translational motion along X, Y and Z axes) is equipped on the system. As shown in Fig. 17, the four axes cryostat is mounted on one side of the modified mu-metal analysis cham- 42 2 Angle-Resolved Photoemission Spectroscopy Fig.

References 47 Based on the improved VUV laser, we also developed a spin resolved ARPES system with energy resolution better than 5 meV which is far better than the regular spin resolved photoemission system. With special design, the newly developed spin resolved system could probe the full polarization of the electron beam. In addition, a MBE system and a STM are equipped to prepare films and characterize the surface of samples. We also designed a cryostat with four-axes freedom, and the temperature of the sample position could be lower than 3 K by pumping the flowing liquid helium.

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Photoemission Spectroscopy on High Temperature Superconductor: A Study of Bi2Sr2CaCu2O8 by Laser-Based Angle-Resolved Photoemission by Wentao Zhang


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