TY - JOUR
T1 - Superconducting gap, pseudogap, and fermi surface of Bi2201
T2 - International Conference on Materials and Mechanisms of Superconductivity High Temperature Superconductors VI
AU - Sato, T.
AU - Naitoh, Y.
AU - Kamiyama, T.
AU - Takahashi, T.
AU - Yokoya, T.
AU - Mesot, J.
AU - Kaminski, A.
AU - Fretwell, H.
AU - Campuzano, J. C.
AU - Ding, H.
AU - Chong, I.
AU - Terashima, T.
AU - Takano, M.
AU - Kadowaki, K.
PY - 2000/11
Y1 - 2000/11
N2 - We have performed a systematic high energy (7-11 meV) and momentum (0.01 angstrom-1) resolution angle-resolved photoemission spectroscopy (ARPES) on superstructure-free Bi1.80Pb0.38Sr2.01CuO6-δ with various dopings. All the samples from overdoped Tc = 0K to underdoped Tc = 18K possess a large hole-like Fermi surface centered at X point, whose volume shows a systematic evolution with doping. The superconducting gap exhibits a dx(2)-y(2)-like anisotropy with a typical gap value of 10-15 meV. By comparing with Bi2Sr2CaCu2O8, we found that the size of superconducting gap and the ARPES spectral feature near EF are well scaled with the maximum Tc (Tcmax). This suggests that the superconducting properties are characterized by Tcmax irrespective of the number of CuO2 layers or the structural modulation in BiO layer.
AB - We have performed a systematic high energy (7-11 meV) and momentum (0.01 angstrom-1) resolution angle-resolved photoemission spectroscopy (ARPES) on superstructure-free Bi1.80Pb0.38Sr2.01CuO6-δ with various dopings. All the samples from overdoped Tc = 0K to underdoped Tc = 18K possess a large hole-like Fermi surface centered at X point, whose volume shows a systematic evolution with doping. The superconducting gap exhibits a dx(2)-y(2)-like anisotropy with a typical gap value of 10-15 meV. By comparing with Bi2Sr2CaCu2O8, we found that the size of superconducting gap and the ARPES spectral feature near EF are well scaled with the maximum Tc (Tcmax). This suggests that the superconducting properties are characterized by Tcmax irrespective of the number of CuO2 layers or the structural modulation in BiO layer.
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U2 - 10.1016/S0921-4534(00)01099-6
DO - 10.1016/S0921-4534(00)01099-6
M3 - Conference article
AN - SCOPUS:0343397582
SN - 0921-4534
VL - 341-348 (IV)
SP - 2091
EP - 2094
JO - Physica C: Superconductivity and its Applications
JF - Physica C: Superconductivity and its Applications
Y2 - 20 February 2000 through 25 February 2000
ER -