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  Temperature dependence of the Hall angle in single-crystal YBa2(Cu1-xCox)3O7-δ

Carrington, A., Mackenzie, A. P., Lin, C., & Cooper, J. (1992). Temperature dependence of the Hall angle in single-crystal YBa2(Cu1-xCox)3O7-δ. Physical Review Letters, 69(19), 2855-2858. doi:10.1103/PhysRevLett.69.2855.

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Item Permalink: http://hdl.handle.net/11858/00-001M-0000-0018-E7B1-2 Version Permalink: http://hdl.handle.net/11858/00-001M-0000-0018-E7B3-D
Genre: Journal Article

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 Creators:
Carrington, A.1, Author
Mackenzie, A. P.2, Author              
Lin, C.T.1, Author
Cooper, J.R.1, Author
Affiliations:
1external, ou_persistent22              
2External Organizations, ou_persistent22              

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 Abstract: We report the measurements of the Hall coefficient (R(H)) and a-b-plane resistivity rho(T) of cobalt-doped YBa2(Cu1-xCox)3O7-delta single crystals (0 less-than-or-equal-to x less-than-or-equal-to 0.096) from 20 to 400 K. Co doping gives rise to an unusual downward curvature in rho(T) while the inverse Hall coefficient [1/R(H)(T)] also becomes nonlinear. Despite this, Anderson's formula for the Hall angle theta(H), namely, cottheta(H) = AT2 + B continues to remain valid. In contrast to Zn, doping with Co decreases A while B remains constant. A simple model involving a square Fermi surface with rounded corners that could also account for the AT2 + B law is proposed.

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 Dates: 1992-11-09
 Publication Status: Published in print
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Title: Physical Review Letters
  Other : Phys. Rev. Lett.
Source Genre: Journal
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Publ. Info: Woodbury, N.Y. : American Physical Society
Pages: - Volume / Issue: 69 (19) Sequence Number: - Start / End Page: 2855 - 2858 Identifier: ISSN: 0031-9007
CoNE: /journals/resource/954925433406_1