Fermi Surface and Band Dispersion in La_<2-x>Sr_xCuO_4

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概要

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• Usit?g atagle-resolxved plaotoerauissio?a spectroscopy (ARPES), xve o1.cserx'e tlae barad strtrcttrre,tlae Fertani strrfstce and tlaeir dopitag dependences ita Lap .Sr.Ctr0.j. Tlae restrlts reve?xl tluat flueFernui sttrface undergoes 21 draxaaatic chat'age: it is holelike atad centered at ('r, m) in trtaderdoped(I ::l 0.1) and optinaaally doped (;r : 0.15) sauaaples as ira otlaer ctrprates, xvhile it is electronlikeaxrad centered at (0,0) in l'xeavil3z ox'erdoped (r = 0.3) otaes. Tlte peak in the ARPIES spectra taear(7T/2,7T/2) is broad and xve;rk utalil<e that ir? otlaer ctrpr.-ties. In tlae trnderdoped atad optinaaallydoped sauaaples, a supercoradtrcting gap (,N : 10 -15 zaaeV) is observed near (7T, 0).

• 社団法人日本物理学会の論文
• 1999-05-15

著者

• Tamasaku Kenji

  Department Of Superconductivity University Of Tokyo

• FUJIMORI Atsushi

  Department of Physics and Department of Complexity Science and Engineering, University of Tokyo

• Ino Akihiro

  Department Of Physics University Of Tokyo

• Ino Akihiro

  Department Of Applied Physics And Stanford Synchrotron Radiation Laboratory Stanford University

• KIM Changyoung

  Department of Applied Physics and Stanford Synchrotron Radiation Laboratory,Stanford University

• MIZOKAWA Takashi

  Department of Physics,University of Tokyo

• SHEN Zhi-Xun

  Department of Applied Physics and Stanford Synchrotron Radiation Laboratory,Stanford University

• TAKABA Masamitsu

  Department of Superconductivity,University of Tokyo

• EISAKI Hiroshi

  Department of Superconductivity,University of Tokyo

• UCHIDA Shinichi

  Department of Superconductivity,University of Tokyo

• Fujimori Atsushi

  Department Of Physics University Of Tokyo

• Mizokawa Takashi

  Department Of Physics University Of Tokyo

• Mizokawa Takashi

  Department Of Complexity Science And Engineering And Department Of Physics University Of Tokyo

• Shen Zhi-xun

  Department Of Applied Physics And Stanford Synchrotron Radiation Laboratory Stanford University

• Kim Changyoung

  Department Of Applied Physics And Stanford Synchrotron Radiation Laboratory Stanford University

• Eisaki Hiroshi

  Department Of Applied Physics The University Of Tokyo

• Eisaki Hiroshi

  Department Of Superconductivity University Of Tokyo

• Uchida S

  Department Of Superconductivity University Of Tokyo

• Uchida Shinichi

  Department Of Applied Physics Faculty Of Engineering University Of Tokyo

• Takaba Masamitsu

  Department Of Legal Medicine Hamamatsu University School Of Medicine

• Takaba Masamitsu

  Department Of Superconductivity University Of Tokyo

• Fujimori Atsushi

  Department Of Complexity Science And Engineering And Department Of Physics University Of Tokyo

• Tamasaku Kenji

  Department Of Physics And Department Of Complexity Science And Engineering University Of Tokyo

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