Search Results - "Naitoh, Yasuhisa"

Refine Results
  1. 1

    Morphological Change and Mobility Enhancement in PEDOT:PSS by Adding Co-solvents by Wei, Qingshuo, Mukaida, Masakazu, Naitoh, Yasuhisa, Ishida, Takao

    Published in Advanced materials (Weinheim) (28-05-2013)
    “…Adding ethylene glycol (EG) to a poly(3,4‐ethylenedioxythiophene):poly(styrenesulfonate) (PEDOT:PSS) solution improves the crystallinity of the PEDOT and the…”
    Get full text
    Journal Article
  2. 2

    Recent Progress on PEDOT-Based Thermoelectric Materials by Wei, Qingshuo, Mukaida, Masakazu, Kirihara, Kazuhiro, Naitoh, Yasuhisa, Ishida, Takao

    Published in Materials (16-02-2015)
    “…The thermoelectric properties of poly(3,4-ethylenedioxythiophene) (PEDOT)-based materials have attracted attention recently because of their remarkable…”
    Get full text
    Journal Article Book Review
  3. 3

    Reservoir computing with dielectric relaxation at an electrode–ionic liquid interface by Koh, Sang-Gyu, Shima, Hisashi, Naitoh, Yasuhisa, Akinaga, Hiroyuki, Kinoshita, Kentaro

    Published in Scientific reports (28-04-2022)
    “…A physical reservoir device with tunable transient dynamics is strongly required to process time-series data with various timescales generated in the edge…”
    Get full text
    Journal Article
  4. 4

    Simple and Scalable Gel-Based Separation of Metallic and Semiconducting Carbon Nanotubes by Tanaka, Takeshi, Jin, Hehua, Miyata, Yasumitsu, Fujii, Shunjiro, Suga, Hiroshi, Naitoh, Yasuhisa, Minari, Takeo, Miyadera, Tetsuhiko, Tsukagoshi, Kazuhito, Kataura, Hiromichi

    Published in Nano letters (08-04-2009)
    “…We report a rapid and scalable method for the separation of metallic and semiconducting single-wall carbon nanotubes (SWCNTs); the separation is performed by…”
    Get full text
    Journal Article
  5. 5

    Photoinduced Dedoping of Conducting Polymers: An Approach to Precise Control of the Carrier Concentration and Understanding Transport Properties by Wei, Qingshuo, Mukaida, Masakazu, Kirihara, Kazuhiro, Naitoh, Yasuhisa, Ishida, Takao

    Published in ACS applied materials & interfaces (27-01-2016)
    “…Exploring the various applications of conjugated polymers requires systematic studies of their physical properties as a function of the doping density, which,…”
    Get full text
    Journal Article
  6. 6

    Dynamic Nonlinear Behavior of Ionic Liquid-Based Reservoir Computing Devices by Matsuo, Takuma, Sato, Dan, Koh, Sang-Gyu, Shima, Hisashi, Naitoh, Yasuhisa, Akinaga, Hiroyuki, Itoh, Toshiyuki, Nokami, Toshiki, Kobayashi, Masakazu, Kinoshita, Kentaro

    Published in ACS applied materials & interfaces (17-08-2022)
    “…Herein, a physical reservoir device that uses faradaic currents generated by redox reactions of metal ions in ionic liquids was developed. Synthetic…”
    Get full text
    Journal Article
  7. 7

    Single-Molecular Bridging in Static Metal Nanogap Electrodes Using Migrations of Metal Atoms by Naitoh, Yasuhisa, Tani, Yosuke, Koyama, Emiko, Nakamura, Tohru, Sumiya, Touru, Ogawa, Takuji, Misawa, Guento, Shima, Hisashi, Sugawara, Kota, Suga, Hiroshi, Akinaga, Hiroyuki

    Published in Journal of physical chemistry. C (25-06-2020)
    “…The realization of molecular devices via metal–molecule–metal junctions necessitates the fabrication of a steady molecular bridging structure, where the number…”
    Get full text
    Journal Article
  8. 8

    Formation and dissolution of conductive channels in an Ag2S-islands network by Ojima, Keita, Hasegawa, Tsuyoshi, Naitoh, Yasuhisa, Shima, Hisashi, Akinaga, Hiroyuki

    Published in Japanese Journal of Applied Physics (01-08-2020)
    “…A network that shows dynamical change in response to each input pattern works as a reservoir. In this study, we propose to use a network of Ag2S islands for…”
    Get full text
    Journal Article
  9. 9

    From Memory to Sensor: Ultralow Power and High Selectivity Hydrogen Sensor Based on ReRAM Technology by Wei, Zhiqiang, Homma, Kazunari, Katayama, Koji, Kawai, Ken, Fujii, Satoru, Naitoh, Yasuhisa, Shima, Hisashi, Akinaga, Hiroyuki, Ito, Satoru, Yoneda, Shinichi

    Published in IEEE transactions on electron devices (01-11-2018)
    “…A novel hydrogen sensor has been developed by using an optimized 0.18-<inline-formula> <tex-math notation="LaTeX">\mu \text{m} </tex-math></inline-formula>…”
    Get full text
    Journal Article
  10. 10

    Highly stable, extremely high-temperature, nonvolatile memory based on resistance switching in polycrystalline Pt nanogaps by Suga, Hiroshi, Suzuki, Hiroya, Shinomura, Yuma, Kashiwabara, Shota, Tsukagoshi, Kazuhito, Shimizu, Tetsuo, Naitoh, Yasuhisa

    Published in Scientific reports (11-10-2016)
    “…Highly stable, nonvolatile, high-temperature memory based on resistance switching was realized using a polycrystalline platinum (Pt) nanogap. The operating…”
    Get full text
    Journal Article
  11. 11
  12. 12

    Conductance and SERS Measurement of Benzenedithiol Molecules Bridging Between Au Electrodes by Matsuhita, Ryuji, Horikawa, Masyo, Naitoh, Yasuhisa, Nakamura, Hisao, Kiguchi, Manabu

    Published in Journal of physical chemistry. C (31-01-2013)
    “…We have measured electric conductance and surface enhanced Raman scattering (SERS) spectra for the benzenedithiol molecules bridging between Au nano gap…”
    Get full text
    Journal Article
  13. 13

    Pt Nanogap Electrode Fabrication by Two-Layer Lift-Off UV-NIL and Nanowire Breakdown by Hashiguchi, Kyouhei, Suzuki, Kenta, Hiroshima, Hiroshi, Naitoh, Yasuhisa, Suga, Hiroshi

    Published in IEEE transactions on nanotechnology (01-11-2018)
    “…Nanogap electrodes are expected to aid the study of the electrical properties of single molecules and nanoparticles, and also have been applied to nonvolatile…”
    Get full text
    Journal Article
  14. 14

    An accurate method to determine the through-plane electrical conductivity and to study transport properties in film samples by Wei, Qingshuo, Suga, Hiroshi, Ikeda, Ichitaka, Mukaida, Masakazu, Kirihara, Kazuhiro, Naitoh, Yasuhisa, Ishida, Takao

    Published in Organic electronics (01-11-2016)
    “…The through-plane conductivity of a film sample is critically important because it largely affects the performance of batteries, capacitors, and thermoelectric…”
    Get full text
    Journal Article
  15. 15

    Operando observation of resistive switching in a resistive random-access memory by laser-excited photoemission electron microscope by Okuda, Yuji, Kawakita, Junpei, Taniuchi, Toshiyuki, Shima, Hisashi, Shimizu, Atsushi, Naitoh, Yasuhisa, Kinoshita, Kentaro, Akinaga, Hiro, Shin, Shik

    Published in Japanese Journal of Applied Physics (01-04-2020)
    “…Abstract We developed a laser-excited photoemission electron microscope (Laser-PEEM) that enables us to perform a non-destructive operando observation for…”
    Get full text
    Journal Article
  16. 16

    C60-Nanowire Two-State Resistance Switching Based on Fullerene Polymerization/Depolymerization by Umeta, Yukiya, Suga, Hiroshi, Takeuchi, Mihiro, Zheng, Shushu, Wakahara, Takatsugu, Naitoh, Yasuhisa, Tsukagoshi, Kazuhito

    Published in ACS applied nano materials (22-01-2021)
    “…Fullerene has been expected to realize next generation nanoelectronics as a key element. However, although single-fullerene switch operation using scanning…”
    Get full text
    Journal Article
  17. 17

    Self-formation of highly aligned metallic, semiconducting and single chiral single-walled carbon nanotubes assemblies via a crystal template method by Kawai, Hideki, Hasegawa, Kai, Oyane, Ayako, Naitoh, Yasuhisa, Yanagi, Kazuhiro

    Published in Applied physics letters (01-09-2014)
    “…The fabrication of an aligned array of single-walled carbon nanotubes (SWCNTs) with a single chiral state has been a significant challenge for SWCNT…”
    Get full text
    Journal Article
  18. 18

    Electrode Material Dependence of Resistance Change Behavior in Ta2O5 Resistive Analog Neuromorphic Device by Shima, Hisashi, Takahashi, Makoto, Naitoh, Yasuhisa, Akinaga, Hiroyuki

    “…In a human brain, our closest and very low-power information processor, one neuron transmits electrical signals depending on the electrical stimulation from…”
    Get full text
    Journal Article
  19. 19

    Synthesis and thermopower of poly(3-methoxythiophene-2,5-diyl-co-3,4-ethylenedioxythiophene-2,5-diyl)/tosylate by Wei, Qingshuo, Sugihara, Yoshinori, Tanabe, Taro, Mukaida, Masakazu, Kirihara, Kazuhiro, Naitoh, Yasuhisa, Ishida, Takao

    Published in Polymer (Guilford) (01-06-2015)
    “…A novel conducting polymer, Poly(3-methoxythiophene-2,5-diyl-co-3,4-ethylenedioxythiophene-2,5-diyl]/tosylate (P1/tos), was synthesized by oxidative in situ…”
    Get full text
    Journal Article
  20. 20

    Liquid-Solid Hybrid Memory Device Achieved by Unique Features of Ionic Liquids by Sato, Hiroshi, Shima, Hisashi, Honma, Yusei, Naitoh, Yasuhisa, Akinaga, Hiroyuki, Nokami, Toshiki, Itoh, Toshiyuki, Kinoshita, Kentaro

    Published in IEEE access (2021)
    “…Ionic liquids (ILs), non-volatile liquids composed of cations and anions, have various attractive properties for electronic devices, such as wide potential…”
    Get full text
    Journal Article