Search Results 1-20 of 1309

  • Checkered films of multiaxis oriented nanocelluloses by liquid-phase three-dimensional patterning

    Uetani Kojiro , Koga Hirotaka , Nogi Masaya

    … Using this technique, we produced a checkered film with multiaxis oriented nanocelluloses. … This film showed similar retardation levels, but with orthogonal molecular axis orientations in each checkered domain as programmed. …

    Nanomaterials 10(5), 958, 2020-05-18


  • Highly Efficient Perovskite Solar Cells Enabled by Multiple Ligand Passivation

    Zhifang Wu , Maowei Jiang , Zonghao Liu , Afshan Jamshaid , Luis K. Ono , Yabing Qi

    … Another detrimental kind of defect is Pb-0, which is often observed during the film fabrication process or solar cell operation. … Meanwhile, such a treatment improves the energy level alignment between the valence band of perovskite and the highest occupied molecular orbital of spiro-OMeTAD. …

    Advanced Energy Materials 10(10), 1903696, 2020-02-03


  • Study on Alignment Method for Grazing Incidence X-ray Scattering

    Ohta Noboru , Sekiguchi Hiroshi , Yada Shiho

    … Since the thin film structure such as polymers is formed on the substrate, it is necessary to complete the alignment while keeping low X-ray dose. … We examined an alignment method using the arrival time mode of the timepix. …

    SPring-8/SACLA Research Report 8(2), 441-444, 2020


  • Molecular dynamics simulation on shearing behavior of nano-scale thin-film  [in Japanese]

    Mukougawa Keita , Kawahara Katsuya , Tada Kazuhiro

    <p>微細加工技術のひとつとしてナノインプリント法が広く用いられている中で,アライメントや有機材料の充填,離型時のモールド-有機材料界面の摩擦特性などのナノトライボロジー現象に関する経験的予測が難しくなっている。本研究では,ナノトライボロジー現象に起因する課題の解決のための端緒として,原子一つ一つにかかる応力がわかる原子応力分布解析を行い,せん断応力が異なってくる原因について原子レベル …

    Abstract book of Annual Meeting of the Japan Society of Vacuum and Surface Science 2020(0), 46, 2020


  • Visualizing positive and negative charges of triboelectricity generated on polyimide film

    TAGUCHI Dai , MANAKA Takaaki , IWAMOTO Mitsumasa

    … We have been developing an optical second-harmonic generation (SHG) technique as a tool for probing charge displacement and dipolar alignment, selectively, by utilizing wavelength dependent response of SHG to the two origins. …

    IEICE Transactions on Electronics, 2020


  • Effect of Surface Groove Width of Stretchable Substrate on Tendon Differentiation of Stem Cells  [in Japanese]

    OMATA Seiji , KURITA Fumiya , SAKAI Yurie , JU Yang , MORITA Yasuyuki

    … We have developed a cell culture membrane with a unidirectional groove on a silicone rubber film. … When the stem cells were seeded on the cell culture film, it could be confirmed by fluorescence observation that the cells were strongly oriented in one direction when the groove width was 10 μm. …

    Journal of the Japanese Society for Experimental Mechanics 20(3), 173-178, 2020


  • Simple evaluation method of mechanical strength and mechanical fatigue of negative electrode for lithium-ion battery

    KISHIMOTO Yoshinao , KOBAYASHI Yukiyoshi , OHTSUKA Toshihisa , ONO Shota , YAMAZAKI Hiroshi , TSUKAGOSHI Yuki , NAKAMURA Kyohei

    … The actual alignment of particles of active material is random, and mechanical models based on the actual alignment are too complex to derive the main factor of mechanics of the electrodes. … The proposed models approximate the alignment of the particles as the body-centered cubic (bcc) and the face-centered cubic (fcc) which are the well-known crystal lattices. …

    Mechanical Engineering Journal 7(4), 19-00545-19-00545, 2020


  • Utility of Patient-Specific Rod Instrumentation in Deformity Correction: Single Institution Experience

    Sadrameli Saeed S. , Boghani Zain , Steele III William J. , Holman Paul J.

    … There was a statistically significant difference in pelvic tilt, sacral slope, lumbar lordosis, and sagittal vertical axis between the preoperative film and surgical plan (p < … 0.05).</p><p>Conclusions: Cases in which prefabricated rods were utilized demonstrated improved spinopelvic alignment. …

    Spine Surgery and Related Research 4(3), 256-260, 2020


  • Implication of Molecular Weight on Optical and Charge Transport Anisotropy in PQT-C12 Films Fabricated by Dynamic FTM

    Tripathi Atul S. M. , Sadakata Shifumi , Gupta Rakesh Kumar , Nagamatsu Shuichi , Ando Yoshito , Pandey Shyam S.

    … Large area (>20 cm × 2 cm)-oriented thin films of PQT-C12 with varying molecular weight and polydispersity index (PDI) were fabricated by the ribbon-shaped floating film transfer method aiming toward their application as an active semiconductor element of organic field effect transistors (OFETs). … Investigation on the influence of the molecular weight and PDI upon the extent of molecular alignment and anisotropic charge transport was systematically carried out. …

    ACS Applied Materials & Interfaces 11(31), 28088-28095, 2019-07-16


  • Effects of gas cluster ion beam sputtering on the molecular orientation of organic semiconductor films : Ultraviolet photoelectron spectroscopy study of [6]phenacene

    ARAI Ryoji , NISHI Toshio , KUDO Yoshihiro , YOSHIDA Hiroyuki , TOMIYA Shigetaka

    … [ABSTRACT] The alignment of organic layer and metal layer energy levels within organic semiconductor devices is critical for efficient charge injection/collection at the electrodes. … The electronic structure at the interface is usually examined using ultraviolet photoelectron spectroscopy (UPS) as the film thickness of the organic layer is built up incrementally (bottom-up method). …

    Applied Physics Letters (114), 231603, 2019-06-11


  • Accelerated induction of in vitro apatite formation by parallel alignment of hydrothermally oxidized titanium substrates separated by sub-millimeter gaps

    Hayakawa Satoshi , Okamoto Keigo , Yoshioka Tomohiko

    … Thin-film X-ray diffraction and analyses using Fourier transform infra-red (FT-IR) spectroscopy and Raman spectroscopy revealed that a nano-crystalline anatase-type titanium oxide layer was formed on titanium substrates after hydrothermal treatment at 150 degrees C for 2 h. … The ability to induce deposition of apatite particles on hydrothermally treated titanium was remarkably amplified by parallel alignment of substrates separated by sub-millimeter gaps. …

    Journal of Asian Ceramic Societies 7(1), 90-100, 2019-02-11


  • Measurement of dependence of UV irradiation energy on azimuthal and polar anchoring energy for photo alignment film  [in Japanese]

    齋藤 賢也 , 木村 宗弘

    電子情報通信学会技術研究報告 = IEICE technical report : 信学技報 118(422), 121-124, 2019-01-24

  • Measurement of dependence of UV irradiation energy on azimuthal and polar anchoring energy for photo alignment film  [in Japanese]

    齋藤 賢也 , 木村 宗弘

    電気学会研究会資料. EDD = The papers of technical meeting on electron devices, IEE Japan 2019(1-35), 121-124, 2019-01-24

  • Measurement of dependence of UV irradiation energy on azimuthal and polar anchoring energy for photo alignment film  [in Japanese]

    齋藤 賢也 , 木村 宗弘

    映像情報メディア学会技術報告 = ITE technical report 43(1), 121-124, 2019-01

  • Applications of surface analysis to Oxide Thin Film Devices

    Kang Hee Jae

    … Surface analysis has been applied to obtain electronic properties for ultrathin high-k dielectric gate oxide thin films, metal gate stack in CMOS, and transparent conductive oxide thin film transistors (TFTs) incorporating an oxide active channel layer. … The band alignment in HfZr silicate gate dielectric thin films showed that the band gap, the valence band offset and the conduction band offset increased as the SiO<sub>2</sub> …

    Journal of Surface Analysis 26(2), 146-147, 2019


  • Two-dimensional control of polymer phase separated structures by photopolymerization with scanned light  [in Japanese]

    Aizawa Miho , Akamatsu Norihisa , Shishido Atsushi

    … To emerge the function of soft materials, the hierarchical control of molecular alignment patterns is efficient. … Among them, photoalignment technique is known as one of the practical approaches to generate alignment structures. … By controlling the direction of linearly polarized light, arbitrary molecular alignment pattern can be achieved. …

    Proceedings of Japanese Liquid Crystal Society Annual meeting 2019(0), PB39, 2019


  • Controlling molecular alignment and angle dependence of liquid crystalline mechanochromic luminophore using alignment substrate  [in Japanese]

    Tada Motoki , Kondo Mizuho , Kawatsuki Nobuhiro

    … In this work, we prepared rodlike liquid-crystalline MCL compound and controlled its initial molecular orientation by an alignment substrate. … The molecular alignment before grinding strongly affected MCL behavior upon directional grinding. … We succeeded in detection of rubbing start and end as well as rubbing direction by using normal aligned film.</p> …

    Proceedings of Japanese Liquid Crystal Society Annual meeting 2019(0), PB32, 2019


  • Study on Photovoltaic Polarizer using Polymer Alignment Control Method  [in Japanese]

    Kobayashi Lena , Sato Mayuko , Iimura Yasufumi

    … In this study, we examine fabrication of an absorption-type polarizer film with power generation function using an organic semiconductor molecules combined with the molecular alignment technology. …

    Proceedings of Japanese Liquid Crystal Society Annual meeting 2019(0), PB61, 2019


  • Study on in-cell polarizers for High-Performance LCD  [in Japanese]

    Nonomura Sinya , Fukase Kara , Iimura Yasufumi

    … <p>A coatable guest host type (GH type) polarizer combined with a polarization converting (PC) film has been studied for reali zing a high performance in cell polarizer. … By using a photo alignment and a unidirectional coating method s as molecular alignment processes , we improve the optical performance of a PC film composing of a cholesteric LC film and a λ/4 plate . …

    Proceedings of Japanese Liquid Crystal Society Annual meeting 2019(0), PA37, 2019


  • Observation of phase separation structure and liquid crystal director in highly oriented liquid crystal / polymer composite films  [in Japanese]

    Ishida Eiichi , Okumura Yasushi , Niiyama Satoshi , Kikuchi Hirotsugu

    … <p>Polymer structure and azimuthal distribution of liquid crystal director in a highly oriented polymer / liquid crystal composite film doped with a fluorescent monomer and a dichroic dye were observed using confocal laser-scanning microscope equipped with a polarization rotator. …

    Proceedings of Japanese Liquid Crystal Society Annual meeting 2019(0), PA48, 2019


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