Anomalous electronic structure and pseudogap effects in Nd1.85Ce0.15CuO4
We report a high-resolution angle-resolved photoemission spectroscopic study of the electron-doped ( n-type) cuprate superconductor Nd1.85Ce0.15CuO4. We observe regions along the Fermi surface where the near- E(F) intensity is suppressed and the spectral features are broad in a manner reminiscent of...
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| Veröffentlicht in: | Physical review letters 2001-10, Vol.87 (14), p.147003-147003 |
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| container_title | Physical review letters |
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| creator | Armitage, N P Lu, D H Kim, C Damascelli, A Shen, K M Ronning, F Feng, D L Bogdanov, P Shen, Z X Onose, Y Taguchi, Y Tokura, Y Mang, P K Kaneko, N Greven, M |
| description | We report a high-resolution angle-resolved photoemission spectroscopic study of the electron-doped ( n-type) cuprate superconductor Nd1.85Ce0.15CuO4. We observe regions along the Fermi surface where the near- E(F) intensity is suppressed and the spectral features are broad in a manner reminiscent of the high-energy "pseudogap" in the underdoped p-type (hole doped) cuprates. However, instead of occurring near the (pi,0) region, as in the p-type materials, this pseudogap falls near the intersection of the underlying Fermi surface with the antiferromagnetic Brillouin zone boundary. |
| doi_str_mv | 10.1103/PhysRevLett.87.147003 |
| format | Article |
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| title | Anomalous electronic structure and pseudogap effects in Nd1.85Ce0.15CuO4 |
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