Search Results - "Koyanagi, Masao"

Unusual Superconducting Proximity Effect in Magnetically Doped Topological Josephson Junctions by Yano, Rikizo, Koyanagi, Masao, Kashiwaya, Hiromi, Tsumura, Kohei, Hirose, Hishiro T., Asano, Yasuhiro, Sasagawa, Takao, Kashiwaya, Satoshi

“…The transport properties of a topological Josephson junction fabricated from a magnetically doped topological insulator (TI) were investigated. The conductance…”
Get full text

Development of suspended normal-metal-type tunneling junction refrigerator by Kashiwaya, Satoshi, Kashiwaya, Hiromi, Koyanagi, Masao, Tanaka, Yukio

“…We have developed a suspended normal-metal-type superconducting-normal metal-superconductor tunneling junction refrigerator for the cooling of highly sensitive…”
Get full text

Proximity-Induced Superconducting States of Magnetically Doped 3D Topological Insulators with High Bulk Insulation by Yano, Rikizo, Hirose, Hishiro, Tsumura, Kohei, Yamamoto, Shuhei, Koyanagi, Masao, Kanou, Manabu, Kashiwaya, Hiromi, Sasagawa, Takao, Kashiwaya, Satoshi

“…We studied magnetized topological insulator/superconductor junctions with the expectation of unconventional superconductive states holding Majorana fermions…”
Get full text

Strong, easy-to-manufacture, transition edge x-ray sensor by Tanaka, Keiichi, Morooka, Toshimitsu, Chinone, Kazuo, Ukibe, Masahiro, Hirayama, Fuminori, Ohkubo, Masataka, Koyanagi, Masao

“…We developed a membrane structure with a silicon-on-insulator (SOI) wafer by using a micromachining technique to create a transition edge x-ray sensor. In this…”
Get full text

Bound states in superconductors by KASHIWAYA, S, TANAKA, Y, KOYANAGI, M, KAJIMURA, K

“…Bound states of quasiparticles in a normal metal placed between two different pair potentials are investigated. The energy levels of the bound states become…”
Get full text

Flux trapping in a superconducting thin film as revealed by simulations and scanning superconducting quantum interference device microscope observations by Tanaka, Keiichi, Morooka, Toshimitsu, Odawara, Akikazu, Chinone, Kazuo, Mawatari, Yasunori, Koyanagi, Masao

“…Penetration of magnetic fluxes into a superconducting thin film that contained holes was studied for fast and slow cooling rates (0.18 and 0.009 K/s,…”
Get full text

Theory for tunneling spectroscopy of anisotropic superconductors by Kashiwaya, S, Tanaka, Y, Koyanagi, M, Kajimura, K

Get full text

NONDESTRUCTIVE DETECTION OF FLAW IN CARBON-FIBER-REINFORCED PLASTICS USING HIGH-Tc SUPERCONDUCTING QUANTUM INTERFERENCE DEVICE by Kasai, N, Suzuki, D, Hatsukade, Y, Koyanagi, M

“…Authors investigated the possibility of detecting flaws in C-fiber-reinforced plastics (CFRP) using a nondestructive evaluation system using high-Tc…”
Get full text

Proximity Effect in NbC0.3N0.7/Au Bilayers Observed by Low-Temperature Scanning Tunneling Microscopy by Kashiyama, Satoshi, Koyanagi, Masao

“…The proximity effect in the Au layer of NbC0.3N0.7/Au bilayer was studied by low-temperature scanning tunneling microscopy/spectroscopy (LT-STM/S). The…”
Get full text

FAR-INFRARED REFLECTANCE AND TRANSMITTANCE STUDIES OF YBa2Cu3O7-x SINGLE-CRYSTAL THIN FILMS by Shibata, H, Kimura, S, Kashiwaya, S, Ueno, S, Koyanagi, M, Terada, N

“…A new method of estimating the optical constants of thin films has been developed and applied to YBa2Cu3O7-x epitaxial single-crystal thin films (Tc=90 K)…”
Get full text

Study of YBa2Cu3O7 superconductor by low-temperature scanning tunneling microscopy and spectroscopy by TANAKA, M, TAKEBAYASHI, S, HASHIMOTO, M, KASHIWAYA, S, HIRAYAMA, F, KOYANAGI, M

Get full text

Study of YBCO/Au surface using low-temperature scanning tunneling microscopy/scanning tunneling spectroscopy by KOYANAGI, M, KASHIWAYA, S, AKOH, H, KOHJIRO, S, MATSUDA, M, HIRAYAùA, F, KAJIMURA, K

“…A low-temperature scanning tunneling microscope (LTSTM) has been used to study the surface electronic state of a 30-nm-thick Au film deposited on…”
Get full text

SQUID galvanometer for measurements of the quantized Hall resistance by MURAYAMA, Y, ENDO, T, KOYANAGI, M

“…A SQUID galvanometer composed of an rf SQUID magnetometer and a superconducting flux transformer has been developed in order to improve the measurement…”
Get full text

Integrated DC-SQUID magnetometer by NAKANISHI, M, KOYANAGI, M, KOSAKA, S, SHOJI, A, AOYAGI, M, SHINOKI, F

“…A magnetometer using a refractory material integrated with a pickup coil and a DC superconducting quantum interference device (DC–SQUID) has been developed for…”
Get full text

Origin of zero-bias conductance peaks in high- T c superconductors by Kashiwaya, Satoshi, Tanaka, Yukio, Koyanagi, Masao, Takashima, Hiroshi, Kajimura, Koji

Get full text

Punchthrough Effect Observed in the dc I-V Curves of a Josephson Tunnel Junction with Microwave Radiation by Koyanagi, Masao, Endo, Tadashi, Nakamura, Akira

“…The punchthrough effect is used to calculate the dc I - V curves obtained from a Josephson junction irradiated by microwave radiation. Good agreement is…”
Get full text

Precipitate-free epitaxy of YBa 2Cu 3O 7− δ by atomic control of step arrays on vicinal SrTiO 3 (1 0 0) substrates by Nie, Jia-Cai, Koyanagi, Masao, Shoji, Akira

“…We have developed a new method which enables us to atomically control the height and the periodicity of the step distribution on vicinal SrTiO 3 (1 0 0)…”
Get full text

Strategic evaluation of research and development in Japan's public research institutes by Nakamura, Osamu, Nakamura, Osamu, Sawada, Michiko Takagi, Kosaka, Shin, Koyanagi, Masao, Matsunaga, Isao, Mizuno, Koichi, Kobayashi, Naoto

“…The authors describe a strategic evaluation system for research and development (R&D) in Japan's public research institutes, using examples implemented in the…”
Get full text

Effects of breakdown on nondissipative current flow on the quantized hall resistance measurement in Si-MOSFET's by Kinoshita, Joji, Inagaki, Katsuya, Yamanouchi, Chikako, Yoshihiro, Kazuo, Endo, Tadashi, Murayama, Yasushi, Koyanagi, Masao, Wakabayashi, Jun-Ichi, Kawaji, Shinji

“…Experimental results for Si-MOSFET's indicate that breakdown of nondissipative current flow occurs at first in the vicinity of the source-drain electrodes. The…”
Get full text

Time-Reversal Invariant Superconductivity of Sr$_{2}$RuO$_{4}$ Revealed by Josephson Effects by Kashiwaya, Satoshi, Saitoh, Kohta, Kashiwaya, Hiromi, Koyanagi, Masao, Sato, Masatoshi, Yada, Keiji, Tanaka, Yukio, Maeno, Yoshiteru

“…Phys. Rev. B 100, 094530 (2019) Sr$_{2}$RuO$_{4}$ is one of the most promising candidates of a topological superconductor with broken time-reversal symmetry,…”
Get full text