Sliding density wave in Sr14Cu24O41 ladder compounds |
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| Authors: | Blumberg G Littlewood P Gozar A Dennis B S Motoyama N Eisaki H Uchida S |
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| Institution: | Bell Laboratories, Lucent Technologies, Murray Hill, NJ 07974, USA. girsh@bell-labs.com |
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| Abstract: | We used transport and Raman scattering measurements to identify the insulating state of self-doped spin (1/2) two-leg ladders of Sr14Cu24O41 as a weakly pinned, sliding density wave with nonlinear conductivity and a giant dielectric response that persists to remarkably high temperatures. |
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