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Magnetic-field effects on the charge-spin stripe order in La-214 high-Tc cuprates

T. Adachi·K. Omori·T. Kawamata·K. Kudo·T. Sasaki·N. Kobayashi·Y. Koike
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Abstract

Magnetic-field effects on the charge-spin stripe order in La-214 high-Tc cuprates have been investigated from measurements of the in-plane electrical-resistivity, Rho_ab_. In La_2-x_Ba_x_CuO_4_ with x=0.10 and La_2-x_Sr_x_CuO_4_ with x=0.115 where the incommensurate charge peaks are weak and unobservable in zero field in elastic neutron-scattering measurements, respectively, the normal-state value of Rho_ab_ at low temperatures markedly increases with increasing field up to 27 T. For La_2-x_Ba_x_CuO_4_ with x=0.11 and Zn-substituted La_2-x_Sr_x_Cu_1-y_Zn_y_O_4_ with x=0.115 and y=0.02 where the charge stripe order is fairly stabilized in zero field, on the other hand, the increase in Rho_ab_ with increasing field is negligibly small. In conclusion, when the charge-spin stripe order is not fully stable in zero field, magnetic field operates to stabilize the charge-spin stripe order. The value of Rho_ab_ increases with increasing field depending on the stability of the charge stripe order.

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T. Adachi, K. Omori, T. Kawamata, K. Kudo, T. Sasaki, N. Kobayashi, Y. Koike. 2006-08-19. Magnetic-field effects on the charge-spin stripe order in La-214 high-Tc cuprates. https://doi.org/10.1088/1742-6596%2F51%2F1%2F059

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