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Hall-effect in LuNi_2B_2C in normal and superconducting mixed states | | V.N. Narozhnyi
; J. Freudenberger
; V.N. Kochetkov
; K.A. Nenkov
; G. Fuchs
; K.-H. Müller
; | | Date: |
18 Nov 1998 | | Journal: | Solid State Commun., 109 (1999) 549. | | Subject: | Superconductivity; Materials Science | cond-mat.supr-con cond-mat.mtrl-sci | | Abstract: | The Hall resistivity rho_{xy} of LuNi_2B_2C is negative in the normal as well as in the mixed state and has no sign reversal typical for high-T_c superconductors. A distinct nonlinearity in the rho_{xy} dependence on field H was found in the normal state for T < 40K, accompanied by a large magnetoresistance reaching +90% for mu_0H=16T at T=20K. The scaling relation rho_{xy} ~
ho_{xx}^eta (
ho_{xx} is the longitudinal resistivity) was found in the mixed state, the value of eta being dependent on the degree of disorder. | | Source: | arXiv, cond-mat/9811273 | | Services: | Forum | Review | PDF | Favorites | |
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