Zobrazeno 1 - 10
of 161
pro vyhledávání: '"Rupert C. C. Perera"'
Publikováno v:
Ferroelectrics. 418:14-18
The chemical bonding of Mn atoms in (Na1-xBix)(Nb1-yMny)O3 ceramics were analysed using the X-ray Absorption Near Edge Structure (XANES) measurement at the Mn L3,2–edge. In all the compounds coexistence of the covalent bonding MnCV state and ionic
Autor:
Akihiko Nanba, Yasuji Muramatsu, Takahiro Imai, Akitaka Sawamura, Toshihiko Takebe, Jonathan D. Denlinger, Junji Iihara, Rupert C. C. Perera
Publikováno v:
X-Ray Spectrometry. 36:162-166
To clarify the electronic structure of semiconducting boron-doped diamond, especially the two-acceptor levels observed in the soft x-ray absorption spectra in the C K region, the density of states (DOS) of a B-doped diamond cluster model, BC 146 H 14
Publikováno v:
SPIE Proceedings.
Extreme Ultraviolet (EUV) Lithography is still viewed as the most promising approach for maintaining the pace of Moore's Law. Recent real achievements in EUV Lithography (EUVL) have encouraged semiconductor manufacturers to reconsider their road maps
Autor:
Kozo Okada, Jin Nakamura, Takashi Morimoto, Jonathan D. Denlinger, Nobuyoshi Yamada, Hisashi Yamazaki, Rupert C. C. Perera, Kazuhiko Kuroki, Kunihiko Oka, Yasuhisa Tezuka, Eiki Kabasawa
Publikováno v:
Journal of Electron Spectroscopy and Related Phenomena. 148:65-72
X-ray absorption (XAS) and emission (XES) spectroscopy near O K edge has been performed on edge-shared CuO chain compounds Ca2+xY2−xCu5O10 ( 0.0 ≤ x ≤ 2.0 ) using poly- and single-crystalline samples. Two large peaks are observed at 528 eV (PH)
Publikováno v:
Journal of Electron Spectroscopy and Related Phenomena. :799-802
Soft X-ray emission spectra in the Ar L region of various solid substrates doped with Ar atoms were measured to investigate the chemical states of the Ar atoms in the solid matrices. Ar ions were implanted into the solid matrices of Si(1 1 1), SiO 2
Characterization of surface carbon films on weathered Japanese roof tiles by soft x-ray spectroscopy
Autor:
Muneyuki Motoyama, Jonathan D. Denlinger, Rupert C. C. Perera, Eric M. Gullikson, Yasuji Muramatsu, Michiru Yamashita, Mika Hirose
Publikováno v:
X-Ray Spectrometry. 34:509-513
The effects of weathering on carbon films deposited on Japanese smoked roof tiles were investigated by soft x-ray absorption and emission spectroscopy using synchrotron radiation. X-ray absorption measurements revealed that weathering oxidizes the ca
Autor:
Muneyuki Motoyama, Rupert C. C. Perera, Yasuji Muramatsu, Michiru Yamashita, Eric M. Gullikson, Jonathan D. Denlinger
Publikováno v:
Spectrochimica Acta Part B: Atomic Spectroscopy. 59:1317-1322
Surface carbon films on the Japanese smoked roof tile “Ibushi-Kawara” (hereafter “Kawara”) were analyzed by angle-dependent soft X-ray emission spectroscopy using synchrotron radiation. The carbon film microstructure on typical Kawara is 50%
Publikováno v:
Journal of Electron Spectroscopy and Related Phenomena. :823-826
High-resolution C K X-ray emission spectra of polycyclic aromatic hydrocarbons (PAH) were measured using synchrotron radiation. The main peak energies in the PAH X-ray spectra shifted to a higher energy region as the ratio of hydrogenated outer carbo
Autor:
Rupert C. C. Perera, Dennis W. Lindle, Shuji Matsuo, Hisanobu Wakita, Baker Farangis, Ponnusamy Nachimuthu
Publikováno v:
Journal of Alloys and Compounds. 362:124-132
A new experimental set-up to measure in-situ X-ray absorption spectra under ambient conditions in the 400–2000-eV photon-energy region using both transmission and total-fluorescence-yield detection techniques has been developed, and its utility has
Publikováno v:
Journal of Alloys and Compounds. 362:189-197
The electronic structures of ordered Ni 3 Al 1− x Mn x alloy were calculated using the ab inito self-consistent linear muffin-tin orbital (LMTO) method with the local density approximation. Two models of the site occupancy in the elemental f.c.c. c