Physics – Condensed Matter – Superconductivity
Scientific paper
2003-08-14
Phys. Rev. Lett. 92, 047001 (2004).
Physics
Condensed Matter
Superconductivity
4 pages, 4 figures, revised version accepted for publication in Phys. Rev. Lett
Scientific paper
10.1103/PhysRevLett.92.047001
It was recently demonstrated that the anisotropic phonon heat transport behavior is a good probe of the stripe formation in La_{2-x}Sr_xCuO_4 (LSCO) [X. F. Sun {\it et al.}, Phys. Rev. B {\bf 67}, 104503 (2003)]. Using this probe, we examined an electron-doped cuprate Pr_{1.3-x}La_{0.7}Ce_xCuO_4 (PLCCO) and found that essentially the same features as those in LSCO are observed. Moreover, the in-plane resistivity \rho_{ab} of lightly-doped PLCCO shows metallic behavior (d\rho_{ab}/dT > 0) in the N\'eel ordered state with a mobility comparable to that in LSCO. It is discussed that these peculiar properties in common with LSCO signify the existence of stripes in electron-doped cuprates.
Ando Yoichi
Komiya Seiki
Kurita Yasunari
Sun X. F.
Suzuki Toshiya
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