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＜journal article＞
Mid-infrared reflectivity and ellipsometry measurements on single-crystal YBa_2Cu_3O_7 and Bi_2Sr_2CuO_<6+y>

Creator
Author PID
40274550
Creator Name
Watanabe, Yukio
渡部, 行男
ワタナベ, ユキオ
Affiliation
Affiliation Name
Department of Electrical Engineering, Princeton University, Princeton
Creator Name
Wang, Z. Z.
Affiliation
Affiliation Name
Department of Physics, Princeton University
Creator Name
Lyon, S. A.
Affiliation
Affiliation Name
Department of Electrical Engineering, Princeton University
Creator Name
Tsui, D. C.
Affiliation
Affiliation Name
Department of Electrical Engineering and Department of Physics, Princeton University, Princeton
Creator Name
Ong, N. P.
Affiliation
Affiliation Name
Department of Physics, Princeton University, Princeton
Creator Name
Tarascon, J. M.
Affiliation
Affiliation Name
Bell Communications Research
Creator Name
Barboux, P.
Affiliation
Affiliation Name
Bell Communications Research
Language
English
Publisher
American Physical Society
Date
1989-10-01
Source Title
Physical Review B
Vol
40
Issue
1
First Page
6884
Last Page
6889
Publication Type
Version of Record
Access Rights
open access
Rights
© 1989 The American Physical Society
Related DOI
Related DOI
isIdenticalTo
https://doi.org/10.1103/PhysRevB.40.6884
Related URI
Related HDL
Abstract We have measured the room-temperature reflectivity of "90-K" single crystals YBa_2Cu_3O_7 in the frequency range 600-9000 cm^−1. The reflectivity R in these highly conducting samples (ρ_ab=150 μΩ cm a...t 290 K) is found to be higher than in previous reports. We fit R to a simple Drude-Lorentz model and compare the fit parameters with the dc transport values. (The effective-mass ratio of the carriers is found to be 2.0, and the scattering rate ħ/τ is 3.1k_B T at room temperature.) Ellipsometry measurements have also been performed using transverse-electric and transverse-magnetic polarizations. The dielectric dispersion derived from ellipsometry shows some important deviations from the Drude-Lorentz model. Reflectivity data from nonsuperconducting crystals of Bi_2Sr_2CuO_<6+y> are also reported.show more

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Details

PISSN
0163-1829
NCID
AA11187113
Record ID
4493210
Related PubMed ID
9991065
Created Date 2021.10.12
Modified Date 2021.10.12

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