検索結果:　 14085件中 1-20 を表示

1

マグネシウム合金の機械的性質に及ぼす低温加工熱処理の影響

岩渕義孝 , 小林勲

… Aluminum alloys possess the superior homogeneous ductility, since its crystal structure is FCC. … Magnesium alloys offer the heterogeneity due to HCP structure. …

釧路工業高等専門学校紀要 45, 5-9, 2011-12-16

CiNii PDF - オープンアクセス CiNii Link1
2

Crystal growth and characterization of gallium oxynitride nanowires grown on seed crystals

Masubuchi Yuji , Yamaoka Ryohei , Motohashi Teruki , Kirihara Kazuhiko , Lee Woong , Watanabe Kentaro , Sekiguchi Takashi , Kikkawa Shinichi

… Nanowires of gallium oxynitride with wurtzite type structure were grown using seed crystals obtained by ammonia nitridation of an amorphous gallium oxide precursor containing 3 at% nickel additive. …

Journal of Crystal Growth 337(1), 87-92, 2011-12-15

機関リポジトリ CrossRef
3

Crystallization and preliminary X-ray structure analysis of human ribosomal protein L30e

Kawaguchi Akiko , Ose Toyoyuki , Yao Min , Tanaka Isao

… As high-resolution crystal structures of mammalian L30e are not available, the purification, crystallization and X-ray structure analysis of human L30e are presented here. …

Acta Crystallographica Section F: Structural Biology and Crystallization Communications 67(12), 1516-1518, 2011-12

機関リポジトリ CrossRef
4

Possible spin singlet quadrumerization in Pb(2)Re(2)O(7-δ).

Michioka C , Kataoka Y , Ohta H , Yoshimura K

… A single crystal of pyrochlore Pb(2)Re(2)O(6.75) was prepared by hydrothermal synthesis, and its magnetic and transport properties were investigated. … Pb(2)Re(2)O(6.75) shows the metallic conduction with an anomalous second-order structural phase transition at T(s)=294 K, in which the magnetization and the structure change similarly to that at 200 K of the superconductor Cd(2)Re(2)O(7). …

Journal of physics. Condensed matter 23(44), 2011-11-09

機関リポジトリ CrossRef
5

無添加Bi2Te3の高温におけるTeの解離・昇華

大杉功 , 徳永大輔 , 加藤雅彦 , 米田征司

… High temperature X-ray diffraction experiment (up to 400°C) was made to confirm thermal effects on the crystal structure of a stoichiometric ingot of bismuth telluride (Bi2Te3), which has recently been investigated as a component of thermoelectric energy conversion materials for electric power generation. …

サレジオ工業高等専門学校研究紀要 37, 31-34, 2011-10-31

CiNii PDF - オープンアクセス
6

Cationic State Distribution over the P700 Chlorophyll Pair in Photosystem I.

Saito Keisuke , Ishikita Hiroshi

… In addition, 4), the methyl-ester groups of the accessory chlorophylls A(-1A)/A(-1B) significantly stabilized the cationic [P(A)/P(B)](•+) state and 5), the methyl-ester group orientations were completely different in A(-1A) and A(-1B) as seen in the crystal structure. …

Biophysical journal 101(8), 2018-2025, 2011-10-19

機関リポジトリ CrossRef
7

Low-Temperature Sintering and Microwave Dielectric Properties of MgO Ceramic with LiF Addition

Kan Akinori , Moriyama Tohru , Takahashi Susumu [他] , Ogawa Hirotaka

… The crystal structure analysis of the LiF-added MgO ceramics showed a slight increase in the lattice parameters of the MgO ceramics, suggesting the Li substitution for Mg in the MgO structure. …

Jpn J Appl Phys 50(9), 09NF02-09NF02-5, 2011-09-25

応用物理学会
8

Domain Structure Analyses of Tetragonal BaTiO3 Single Crystal by Scanning Second-Harmonic Generation Microscopy: Birefringence Effect on Second-Harmonic Generation Polarization Diagram

Kaneshiro Junichi , Uesu Yoshiaki

The effects of birefringence on polarization dependences of the second-harmonic generation (SHG) measured with a focused optical system are examined experimentally and theoretically for tetragonal dom …

Jpn J Appl Phys 50(9), 09NE11-09NE11-3, 2011-09-25

応用物理学会
9

Sequential Phase Transitions in Sm Substituted BiFeO3

Kubota Makoto , Oka Kengo , Nakamura Yoshitaka [他] , Yabuta Hisato , Miura Kaoru , Shimakawa Yuichi , Azuma Masaki

… The compositional and thermal evolution of the crystal structure of the solid solution Bi1-xSmxFeO3 … with $x = 0.10$ and 0.15 had an antipolar PbZrO3-type structure with a $\sqrt{2}a\times 2\sqrt{2}a\times 4a$ perovskite superstructure at room temperature, while that with $x = 0.05$ had the same structure as the parent BiFeO3 …

Jpn J Appl Phys 50(9), 09NE08-09NE08-4, 2011-09-25

応用物理学会
10

Crystal Growth and Characterization of (Bi0.5Na0.5)TiO3--BaTiO3 Single Crystals Obtained by a Top-Seeded Solution Growth Method under High-Pressure Oxygen Atmosphere

Onozuka Hiroaki , Kitanaka Yuuki , Noguchi Yuji [他] , Miyayama Masaru

… A single crystal of ferroelectric 0.88(Bi,Na)TiO3--0.12BaTiO3 … (BNT--BT) solid solution with tetragonal $P4mm$ structure was grown by a top-seeded solution growth (TSSG) method at a high oxygen pressure ($P_{\text{O\scale70%$_{2}$}}$) of 0.9 MPa. …

Jpn J Appl Phys 50(9), 09NE07-09NE07-5, 2011-09-25

応用物理学会
11

Local Structure Analysis of Bi(Mg0.5Ti0.5)O3 Grown by High Pressure Synthesis

Yoneda Yasuhiro , Saitoh Hiroyuki , Yoshii Kenji

… Two types of BMT crystal were obtained: one has an orthorhombic structure and the other has a rhombohedral structure. … It was clarified that the orthorhombic structure is stabilized in the ambient-pressure phase and the rhombohedral structure is stabilized in the high pressure phase. … We also performed local structure analysis by atomic pair-distribution function analysis. …

Jpn J Appl Phys 50(9), 09NE06-09NE06-6, 2011-09-25

応用物理学会
12

Anisotropic Permittivity of Tetragonal BaTiO3: A First-Principles Study

Moriwake Hiroki , Fisher Craig A. J. , Kuwabara Akihide [他] , Hashimoto Tamotsu

… Our calculations suggest that the origin of the anisotropy is the presence of a soft mode with very shallow double-well potential surface that results in non-frozen dipole moments parallel to the $a$-axes of the tetragonal crystal. … is a consequence of the relatively large polarization induced by these small lattice distortions, together with the low energy barrier that needs to be overcome to switch to the polarized structure. …

Jpn J Appl Phys 50(9), 09NE02-09NE02-5, 2011-09-25

応用物理学会
13

Precursor Effect on Hydrothermal Synthesis of Sodium Potassium Niobate Fine Particles and Their Piezoelectric Properties

Kanie Kiyoshi , Mizutani Hideto , Terabe Atsuki [他] , Numamoto Yoshiki , Tsukamoto Shintaro , Takahashi Hirofumi , Nakaya Masafumi , Tani Junji , Muramatsu Atsushi

… In contrast, by aging at 250 °C, NKN particles with orthorhombic potassium niobate crystal structure were obtained in the NaOH/KOH ratios from 5/13 to 1/17. … Furthermore, monodispersed and octahedral-shaped NKN fine particles with a tetragonal crystal structure were formed as a single phase at 200 °C with the NaOH/KOH ratio of 6/12. … The octahedral-shaped particles had a hierarchical built-up structure of cubic-shaped nanoparticles. …

Jpn J Appl Phys 50(9), 09ND09-09ND09-6, 2011-09-25

応用物理学会
14

Growth of Shape-Controlled Ca3NbGa3Si2O14 and Sr3NbGa3Si2O14 Single Crystals by Micro-Pulling-Down Method and Their Physical Properties

Yokota Yuui , Sato Masato , Tota Kazushige [他] , Futami Yoshisuke , Yanagida Takayuki , Onodera Ko , Yoshikawa Akira

… The grown crystals without cracks indicated relatively high crystallinities and a single phase of the langasite-type structure in the powder X-ray diffraction patterns. … The $d_{11}$ of the CNGS crystal indicated 3.98 pC/N, which was coincident with those of previous reports. …

Jpn J Appl Phys 50(9), 09ND03-09ND03-4, 2011-09-25

応用物理学会
15

Structural Transformation of Hexagonal (0001)BaTiO3 Ceramics to Tetragonal (111)BaTiO3 Ceramics

Watanabe Takayuki , Shimada Mikio , Aiba Toshiaki [他] , Yabuta Hisato , Miura Kaoru , Oka Kengo , Azuma Masaki , Wada Satoshi , Kumada Nobuhiro

… After sintering the green compact at 1300 °C in air, it was confirmed that the (0001)-oriented 6H-type perovskite structure transformed to a (111)-oriented 3C-type perovskite structure. … After sintering the green compacts at 1300 °C in air, mixed crystal orientations of (100)/(001) and (111) were observed for the resultant tetragonal BaTiO3 …

Jpn J Appl Phys 50(9), 09ND01-09ND01-4, 2011-09-25

応用物理学会
16

Preparation of Barium Titanate--Potassium Niobate Nanostructured Ceramics with Artificial Morphotropic Phase Boundary Structure By Solvothermal Method

Wada Satoshi , Shimizu Shigehito , Yamashita Kenta [他] , Fujii Ichiro , Nakashima Kouichi , Kumada Nobuhiro , Kuroiwa Yoshihiro , Fujikawa Yoshinori , Tanaka Daisuke , Furukawa Masato

… Barium titanate (BaTiO3, BT)--potassium niobate (KNbO3, KN) (BT--KN) nanostructured ceramics with a distorted interface region, i.e., artificial morphotropic phase boundary (MPB) structure, were prepared by the solvothermal method. … The results of the optimization of reaction conditions showed that the metastable region of only KN crystal growth was obtained using a mixture of KOH and K2CO3 …

Jpn J Appl Phys 50(9), 09NC08-09NC08-6, 2011-09-25

応用物理学会
17

Crystal Structure of New Carbon--Nitride-Related Material C2N2(CH2)

Sougawa Masaya , Sumiya Takahiro , Takarabe Kenichi [他] , Mori Yoshihisa , Okada Taku , Gotou Hirotada , Yagi Takehiko , Yamazaki Daisuke , Tomioka Naotaka , Katsura Tomoo , Kariyazaki Hiroaki , Sueoka Koji , Kunitsugu Shinsuke

… The crystal structure and atomic positions of this C3N2 …

Jpn J Appl Phys 50(9), 095503-095503-5, 2011-09-25

応用物理学会
18

Laser Induced Blue Luminescence Phenomenon

Zhu Haiyong , Duan Yanmin , Zhang Ge [他] , Zhang Yaoju , Yang Fugui

… The blue luminescence at about 473 nm has the characteristic of no orientation and only produced in the crystal where the fundament laser oscillated. …

Jpn J Appl Phys 50(9), 090203-090203-3, 2011-09-25

応用物理学会
19

Temperature-Driven Structural Phase Transition in Tetragonal-Like BiFeO3

Siemons Wolter , Biegalski Michael D. , Nam Joong Hee [他] , Christen Hans M.

… exhibits a “tetragonal-like, monoclinic” crystal structure found only in epitaxial films (with an out-of-plane lattice parameter exceeding the in-plane value by ${>}20$%). … Previous work has shown that this phase is properly described as an $M_{\text{C}}$ monoclinic structure at room temperature [with a (010)\text{pc …

Applied Physics Express 4(9), 095801-095801-3, 2011-09-25

応用物理学会
20

Dynamical LEED analysis of Ni2P (0001)-1 x 1 : Evidence for P-covered surface structure

Hernandez Alvin B. , Ariga Hiroko , Takakusagi Satoru , Kinoshita Kumiko , Suzuki Shushi , Otani Shigeki , Oyama S. Ted , Asakura Kiyotaka

… To understand its high performance, the surface structure of a Ni2P (0 0 0 1) single crystal surface was investigated using dynamical LEED analysis. … The obtained surface structure for Ni2P (0 0 0 1)-1 x 1 is a P-covered Ni3P2 structure (Ni3P_P structure) as opposed to the expected bulk terminated surface structures. …

Chemical Physics Letters 513(1-3), 48-52, 2011-09-06

機関リポジトリ CrossRef

検索結果:　 14085件中 1-20 を表示

関連著者

関連刊行物

検索結果: 14085件中 1-20 を表示

関連著者

関連刊行物

検索結果:　 14085件中 1-20 を表示