Zobrazeno 1 - 10
of 704
pro vyhledávání: '"Motoyama, N."'
Publikováno v:
In Journal of Fluids and Structures July 2023 120
Publikováno v:
In Journal of Fluids and Structures August 2022 113
Autor:
Rusydi, A., Abbamonte, P., Eisaki, H., Fujimaki, Y., Smadici, S., Motoyama, N., Uchida, S., Kim, Y. -J., Ruebhausen, M., Sawatzky, G. A.
We have used resonant soft x-ray scattering (RSXS) to study the misfit strain in Sr$_{14}$Cu$_{24}$O$_{41}$ (SCO), a cuprate that contains both doped spin ladders and spin chains, as well as a "control" sample without holes, La$_{6}$Ca$_{8}$Cu$_{24}$
Externí odkaz:
http://arxiv.org/abs/cond-mat/0611730
Autor:
Kim, Young-June, Hill, J. P., Gu, G. D., Chou, F. C., Wakimoto, S., Birgeneau, R. J., Komiya, Seiki, Ando, Yoichi, Motoyama, N., Kojima, K. M., Uchida, S., Casa, D., Gog, T.
Publikováno v:
Phys. Rev. B 70, 205128 (2004)
We report resonant inelastic x-ray scattering studies of electronic excitations in a wide variety of cuprate compounds. Specifically, we focus on the charge-transfer type excitation of an electron from a bonding molecular orbital to an antibonding mo
Externí odkaz:
http://arxiv.org/abs/cond-mat/0407179
Autor:
Kim, Young-June, Hill, J. P., Benthien, H., Essler, F. H. L., Jeckelmann, E., Choi, H. S., Noh, T. W., Motoyama, N., Kojima, K. M., Uchida, S., Casa, D., Gog, T.
Publikováno v:
Phys. Rev. Lett. 92, 137402 (2004)
We report a resonant inelastic x-ray scattering study of charge excitations in the quasi-one-dimensional Mott insulator SrCuO2. We observe a continuum of low-energy excitations, in which a highly dispersive feature with a large sinusoidal dispersion
Externí odkaz:
http://arxiv.org/abs/cond-mat/0307497
Nonlinear conduction (NLC) of the two-leg spin ladder, Sr$_{14-x}$Ca$_x$Cu$_{24}$O$_{41}$, was investigated for the $x$=0, 1 and 12 materials . Although insulating materials ($x$=0 and 1) exibited the NLC both in the ladder- and rung directions, the
Externí odkaz:
http://arxiv.org/abs/cond-mat/0301092
Publikováno v:
SCIENCE, vol. 297, p. 584 (26 July 2002)
We used transport and Raman scattering measurements to identify the insulating state of self-doped spin 1/2 two-leg ladders of Sr_{14}Cu_{24}O_{41} as a weakly pinned, sliding density wave with non-linear conductivity and a giant dielectric response
Externí odkaz:
http://arxiv.org/abs/cond-mat/0207666
Autor:
Gozar, A., Blumberg, G., Littlewood, P. B., Dennis, B. S., Motoyama, N., Eisaki, H., Uchida, S.
Publikováno v:
Phys. Rev. Letters 91, 087401 (2003)
Raman measurements in the 1.5 - 20 cm-1 energy range were performed on single crystals of Sr_{14-x}Ca_xCu_{24}O_{41}. A quasielastic scattering peak (QEP) which softens with cooling is observed in the polarization parallel to the ladder direction for
Externí odkaz:
http://arxiv.org/abs/cond-mat/0207219
The two-magnon (2M) excitation at 3000 cm-1 in Sr_14Cu_24O_41 two-leg ladder is studied by Raman scattering. A slight anisotropy of the superexchange coupling J_{\perp}/J_{||} \approx 0.8 with J_{||} = 110 \pm 20 meV is proposed from the analysis of
Externí odkaz:
http://arxiv.org/abs/cond-mat/0108507
Autor:
Feng, D. L., Damascelli, A., Shen, K. M., Motoyama, N., Lu, D. H., Eisaki, H., Shimizu, K., Shimoyama, J. -i., Kishio, K., Kaneko, N., Greven, M., Gu, G. D., Zhou, X. J., Kim, C., Ronning, F., Armitage, N. P., Shen, Z. -X.
The low-energy electronic structure of the trilayer cuprate superconductor Bi$_2$Sr$_2$Ca$_2$Cu$_3$O$_{10+\delta}$ near optimal doping is investigated by angle-resolved photoemission spectroscopy. The normal state quasiparticle dispersion and Fermi s
Externí odkaz:
http://arxiv.org/abs/cond-mat/0108386