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Journal Articles

Growth of single-phase nanostructured Er$$_2$$O$$_3$$ thin films on Si (100) by ion beam sputter deposition

Mao, W.*; Fujita, Masaya*; Chikada, Takumi*; Yamaguchi, Kenji; Suzuki, Akihiro*; Terai, Takayuki*; Matsuzaki, Hiroyuki*

Surface & Coatings Technology, 283, p.241 - 246, 2015/12

 Times Cited Count:1 Percentile:91.38(Materials Science, Coatings & Films)

Single-phase nanocrystalline thin films of Er$$_2$$O$$_3$$ (440) has been first prepared using Si (100) substrates by ion beam sputter deposition at 973 K at a pressure of $$<$$ 10$$^{-5}$$ Pa and $${it in}$$-$${it situ}$$ annealing at 1023 K at a pressure of $$approx$$ 10$$^{-7}$$ Pa. Er silicides formed during the deposition are eliminated via the annealing, which results in the single phase and the smooth surface of the Er$$_2$$O$$_3$$ thin films. The epitaxial relationship between Si (100) and Er$$_2$$O$$_3$$ (110) is clarified by X-ray diffraction and reflection high energy electron diffraction.

Journal Articles

Adsorption of H atoms on cubic Er$$_2$$O$$_3$$ (001) surface; A DFT study

Mao, W.*; Chikada, Takumi*; Shimura, Kenichiro*; Suzuki, Akihiro*; Yamaguchi, Kenji; Terai, Takayuki*

Journal of Nuclear Materials, 443(1-3), p.555 - 561, 2013/11

 Times Cited Count:2 Percentile:72.96(Materials Science, Multidisciplinary)

In this work, ${it ab initio}$ calculations based on density functional theory (DFT) and generalized gradient approximation were performed to investigate the structural and electronic properties of the cubic Er$$_{2}$$O$$_{3}$$ (001) surface and H adsorption processes on this surface. Several stable adsorption sites were identified, and at the most energetically favorable adsorption sites it was found that H bonds with O atoms at the cubic Er$$_{2}$$O$$_{3}$$ (001) surface with an adsorption energy of 295.68 kJ mol$$^{-1}$$ at coverage 1/8 ML, which was inclined to decrease with the increase of H coverage ($$>$$ 1/4 ML). In addition, the calculations revealed that the dissociative H atom configurations have adsorption energies that are at least 152.64 kJ mol$$^{-1}$$ greater than the H$$_2$$ molecule configurations on the surface. These results are discussed in regard of the hydrogen isotope permeation behavior in the tritium permeation barrier in a fusion reactor.

Journal Articles

Magnetic and calorimetric studies on ordered perovskite Ba$$_{2}$$ErRuO$$_{6}$$

Izumiyama, Yuki*; Doi, Yoshihiro*; Wakeshima, Makoto*; Hinatsu, Yukio*; Nakamura, Akio; Ishii, Yoshinobu

Journal of Solid State Chemistry, 169(1), p.125 - 130, 2002/11

 Times Cited Count:32 Percentile:21.42

no abstracts in English

Journal Articles

Doppler effect experiment of resonance materials for rock like oxide fuels

Nakano, Yoshihiro; Ando, Masaki; Okajima, Shigeaki; Takano, Hideki; Akie, Hiroshi

Progress in Nuclear Energy, 38(3-4), p.343 - 346, 2001/02

 Times Cited Count:1 Percentile:86.26

no abstracts in English

Journal Articles

Effect of radiation damage on luminescence of erbium-implanted SiO$$_{2}$$/Si studied by slow positron beam

Kawasuso, Atsuo; Arai, H.*; Hirata, K.*; Sekiguchi, T.*; Kobayashi, Y.*; Okada, Sohei

Radiation Physics and Chemistry, 58(5-6), p.615 - 619, 2000/06

 Times Cited Count:3 Percentile:70.59

no abstracts in English

Journal Articles

Gamma-ray-induced loss of Er$$^{3+}$$-doped silica-core optical fiber

*; *; *; *; Kusama, Yasuo; Seguchi, Tadao

Japanese Journal of Applied Physics, 33(7A), p.3937 - 3941, 1994/07

 Times Cited Count:2 Percentile:81.07(Physics, Applied)

no abstracts in English

Journal Articles

Analysis of $$gamma$$-rays induced loss in erbium-doped fiber

*; *; *; *; Kusama, Yasuo; Seguchi, Tadao

DEI-93-165, 0, p.11 - 19, 1993/12

no abstracts in English

Journal Articles

Determination of cerium,gadolinium, dyspro slum,erbium,and ytterbium.

; ; ; ; *

Bunseki Kagaku, 15(6), p.589 - 594, 1966/00

no abstracts in English

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