Zobrazeno 1 - 10
of 424
pro vyhledávání: '"Mamiya, K."'
Autor:
Okamoto, J., Okane, T., Saitoh, Y., Terai, K., Fujimori, S. -I., Muramatsu, Y., Yoshii, K., Mamiya, K., Koide, T., Fujimori, A., Fang, Z., Takeda, Y., Takano, M.
Publikováno v:
Phys. Rev. B 76, 184441 (2007).
Ca_1-xSr_xRuO_3, which is ferromagnetic for Sr concentration x > 0.3, has been studied by x-ray magnetic circular dichroism (XMCD) in Ru 3p and O 1s core-level x-ray absorption. XMCD signals appear at x ~ 0.3 and monotonically increases with x in the
Externí odkaz:
http://arxiv.org/abs/0711.1000
Autor:
Ishida, Y., Hwang, J. I., Kobayashi, M., Takeda, Y., Mamiya, K., Okamoto, J., Fujimori, S. -I., Okane, T., Terai, K., Saitoh, Y., Muramatsu, Y., Fujimori, A., Tanaka, A., Saeki, H., Kawai, T., Tabata, H.
Publikováno v:
Appl. Phys. Lett. 90, 022510 (2007)
We performed a soft x-ray magnetic circular dichroism (XMCD) study of a Zn$_{1-x}$V$_x$O thin film which showed small ferromagnetic moment. Field and temperature dependences of V 2$p$ XMCD signals indicated the coexistence of Curie-Weiss paramagnetic
Externí odkaz:
http://arxiv.org/abs/cond-mat/0609173
Autor:
Mamiya, K., Koide, T., Fujimori, A., Tokano, H., Manaka, H., Tanaka, A., Toyosaki, H., Fukumura, T., Kawasaki, M.
Publikováno v:
Appl. Phys. Lett. 89, 062506 (2006)
Soft x-ray magnetic circular dichroism (XMCD) measurements at the Co L2,3 edges of Co doped rutile TiO2 at room temperature have revealed clear multiplet features characteristic of ferromagnetic Co2+ ions coordinated by O2- ions, being in sharp contr
Externí odkaz:
http://arxiv.org/abs/cond-mat/0603149
Autor:
Kobayashi, M., Ishida, Y., Hwang, J. l., Mizokawa, T., Fujimori, A., Mamiya, K., Okamoto, J., Takeda, Y., Okane, T., Saitoh, Y., Muramatsu, Y., Tanaka, A., Saeki, H., Tabata, H., Kawai, T.
Publikováno v:
Phys. Rev. B 72, 201201 (2005)
We report on the results of x-ray absorption (XAS), x-ray magnetic circular dichroism (XMCD), and photoemission experiments on {\it n}-type Zn$_{1-x}$Co$_x$O ($x=0.05$) thin film, which shows ferromagnetism at room temperature. The XMCD spectra show
Externí odkaz:
http://arxiv.org/abs/cond-mat/0505387
Autor:
Hwang, J. I., Ishida, Y., Kobayashi, M., Hirata, H., Takubo, K., Mizokawa, T., Fujimori, A., Okamoto, J., Mamiya, K., Saito, Y., Muramatsu, Y., Ott, H., Tanaka, A., Kondo, T., Munekata, H.
Publikováno v:
Phys. Rev. B Vol.72, 085216 (2005)
We have studied the electronic structure of the diluted magnetic semiconductor Ga$_{1-x}$Mn$_{x}$N ($x$ = 0.0, 0.02 and 0.042) grown on Sn-doped $n$-type GaN using photoemission and soft x-ray absorption spectroscopy. Mn $L$-edge x-ray absorption hav
Externí odkaz:
http://arxiv.org/abs/cond-mat/0504048
Autor:
Sarma, D. D., Krishnakumar, S. R., Weschke, E., Schussler-Langeheine, C., Mazumdar, Chandan, Kilian, L., Kaindl, G., Mamiya, K., Fujimori, S. -I., Fujimori, A., Miyadai, T.
Publikováno v:
Phys. Rev. B 67, 155112 (2003)
We have performed a detailed high-resolution electron spectroscopic investigation of NiS$_2$ and related Se-substituted compounds NiS$_{2-x}$Se$_x$, which are known to be gapped insulators in the bulk at all temperatures. A large spectral weight at t
Externí odkaz:
http://arxiv.org/abs/cond-mat/0308204
Autor:
Konishi, T., Morikawa, K., Kobayashi, K., Mizokawa, T., Fujimori, A., Mamiya, K., Iga, F., Kawanaka, H., Nishihara, Y., Delin, A., Eriksson, O.
We report on results from high-energy spectroscopic measurements on CeFe2, a system of particular interest due to its anomalous ferromagnetism with an unusually low Curie temperature and small magnetization compared to the other rare earth-iron Laves
Externí odkaz:
http://arxiv.org/abs/cond-mat/0009200
Akademický článek
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Publikováno v:
ETSU Faculty Works.
Rapid eye movement sleep decreases between 10 and 30 days postnatally in the rat. The pedunculopontine nucleus is known to modulate waking and rapid eye movement sleep, and pedunculopontine nucleus neurons are thought to be hyperpolarized by noradren
Externí odkaz:
https://dc.etsu.edu/etsu-works/18166
Akademický článek
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