Thermal Conductivity ofPr1.3−xLa0.7C

Abstract

It was recently demonstrated that the anisotropic phonon heat transport behavior is a good probe of the stripe formation in La(2-x)Sr(x)CuO(4) (LSCO) [Phys. Rev. B 67, 104503 (2003)]]. Using this probe, we examined an electron-doped cuprate Pr(1.3-x)La(0.7)Ce(x)CuO(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 (drho(ab)/dT>0) in the Néel 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.

Evolution of the Electronic State through the Reduction Annealing in Electron-Doped Pr1.3-xLa0.7CexCuO4+δ(x=0.10) Single Crystals: Antiferromagnetism, Kondo Effect, and Superconductivity

“…Figure 2 shows the temperature dependence of ρ c in zero field for PLCCO with x = 0.10. For as-grown and 650 o Creduced crystals, a hump is observed at ∼ 200 K, which is similar to that observed in NCCO with x < 0.14 9) and PLCCO with x = 0.01 and 0.03 14) and due to the opening of AF pseudogap. For the 750 o C-reduced crystal, on the contrary, a simple metallic behavior without hump is observed, which resembles the behavior of ρ c in SC NCCO with x = 0.15. ized at low temperatures.…”

Effects of inhomogeneities and thermal fluctuations on the spectral function of a modeld-wave superconductor

“…[1][2][3][4][5]7,6,8 There have also been a number of reports of magnetic and charge orderings in these materials, which also indicate inhomogeneities. [9][10][11][12][13][14][15][16][17] Other studies of cuprates have shown that electronic states within certain energy ranges show checkerboardlike spatial modulations. 18 A number of theoretical approaches have been developed to model these inhomogeneities.…”

Hidden Fermi-liquid Charge Transport in the Antiferromagnetic Phase of the Electron-Doped Cuprate Superconductors

“…In contrast, at the same nominal doping level, A log and A 0 are nearly an order of magnitude larger for the electron-doped compounds; similar to A 2 , these coefficients exhibit power-law doping dependences [25]: NCCO [34] NCCO (film) [33] PCCO (film) [36] PCCO (film) [37] PCCO (film) [38] PCCO (film) [39] PLCCO [28] LCCO (film) [40] LSCO [24] YBCO [7] YBCO [24] YBCO [41] La-Bi2201 [29] La-Bi2201 [27] Hg1201 [15] LYCO [35] NCCO this work NCCO [26] NCCO [31] NCCO [32] FIG. 2.…”

“…Starting with new data for a sample of the archetypal electron-doped cuprate Nd 2−x Ce x CuO 4+δ (NCCO) that exhibits robust AF order (x = 0.10; superconductivity in NCCO appears for x ≈ 0.13 [4]), we follow the evolution of these three contributions as a function of temperature and doping for a large number of compounds: electron-doped NCCO [26,[31][32][33][34], La 2−x Y x CuO 4+δ (LYCO) [35], Pr 2−x Ce x CuO 4+δ (PCCO) [36][37][38][39], Pr 1.3−x La 0.7 Ce x CuO 4+δ (PLCCO) [28], and La 2−x Ce x CuO 4+δ (LCCO) [40], and hole-doped La 2−x Sr x CuO 4 (LSCO) [6,24], YBCO [7,24,41] and Bi 2 Sr 2−x La x Cu 2 O 8+δ (La-Bi2201) [27,29]. Representative resistivity data are shown in Fig.…”