Search Results - "Ibi, A."

Epitaxial nanostructure and defects effective for pinning in Y(RE)Ba2Cu3O7−x coated conductors by Yamada, Y., Takahashi, K., Kobayashi, H., Konishi, M., Watanabe, T., Ibi, A., Muroga, T., Miyata, S., Kato, T., Hirayama, T., Shiohara, Y.

“…This paper describes the microstructure to improve the magnetic field dependence of the critical current density, Jc, of Y(RE)Ba2Cu3O7−x [Y(RE)123, RE: Gd and…”
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Characterization and Performance Improvement of Face-to-Face Double Stack REBCO Coated Conductors by Nakamura, M., Veshchunov, I. S., Gaifullin, M., Dao, H. T., Hasuo, S., Ibi, A., Machi, T., Izumi, T., Iwakuma, M., Petrykin, V., Lee, S.

“…In order to improve the mechanical and electromagnetic robustness of REBCO coated conductors (CCs) for their application in superconducting equipment, we have…”
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Fabrication of Eu1Ba2Cu3O7-δ+BaHfO3 coated conductors with 141 A/cm-w under 3 T at 77 K using the IBAD/PLD process by YOSHIDA, T, IBI, A, TAKAHASHI, T, YOSHIZUMI, M, IZUMI, T, SHIOHARA, Y

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Effects of the Grain-Boundary Angle of the Buffer Layer on the In-Field Critical Current Density in (Y 0.77Gd0.23)Ba2Cu3Oy + BaZrO3 Nanoparticle Coated Conductors by Sato, Michio, Agatsuma, K., Miura, M., Ibi, A., Nakaoka, K., Izumi, T.

“…We fabricated Y 0.77 Gd 0.23 Ba 2 Cu 3 O y [(Y,Gd)BCO] and BaZrO 3 (BZO) nanoparticle doped (Y,Gd)BCO ((Y,Gd)BCO+BZO) films on CeO 2 buffered metallic…”
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Decay of Shielding Current in Stacked REBCO Superconducting Tapes by Iwakuma, M., Ueno, T., Yun, K., Sato, S., Yoshida, K., Tomioka, A., Izumi, T., Machi, T., Ibi, A., Adachi, K.

“…We are developing superconducting magnets for MRI with RE 1 Ba 2 Cu 3 O 7-δ (Re: rare earth, Y, Gd, Eu, REBCO) tapes. Superconducting magnets for MRI need the…”
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New Method for Quick Decay of Shielding Current in REBCO Superconducting Coils by Iwakuma, M., Tsukigi, Y., Nabekura, K., Ueno, T., Shindo, R., Kawahara, F., Honda, S., Tamura, K., Yun, K., Sato, S., Yoshida, K., Tomioka, A., Konno, M., Izumi, T., Machi, T., Ibi, A.

“…We are developing superconducting magnets for MRI with Re 1 Ba 2 Cu 3 O 7-δ (Re: Rare Earth, Y, Gd, Eu, REBCO) superconducting tapes. We intend to operate them…”
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Transmission electron microscopy study of GdBa2Cu3O7−x containing nano-sized BaMO3 (M: Hf, Zr, Sn) rods fabricated by pulsed laser deposition by Yokoe, D., Kato, T., Tobita, H., Ibi, A., Yoshizumi, M., Izumi, T., Hirayama, T., Shiohara, Y.

“…Three types of superconducting GdBa 2 Cu 3 O 7− x (GdBCO) layers containing rods of either BaHfO 3 (BHO), BaZrO 3 (BZO), or BaSnO 3 (BSO) were fabricated by…”
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Nondestructive inductive measurement of local critical current densities and n-values in coated conductors by Yamasaki, H., Mawatari, Y., Ibi, A., Miyata, S., Yamada, Y.

“…•Jc and n-value of superconducting thin films can be measured by AC inductive methods.•The method can be applied to coated conductors that have metallic…”
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Relaxation of Shielding Current in Test Coils for MRI With REBCO Superconducting Scribed Tapes by Iwakuma, M., Tsukigi, Y., Nabekura, K., Ueno, T., Shindo, R., Kawahara, F., Honda, S., Tamura, K., Yun, K., Sato, S., Yoshida, K., Tomioka, A., Konno, M., Izumi, T., Machi, T., Ibi, A.

“…Superconducting magnets for MRI need uniformity of produced magnetic field within ppm order in time and space. To develop the superconducting magnets for MRI…”
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Effect of ion-irradiation and annealing on superconductive property of PLD prepared YBCO tapes by Nakashima, K., Chikumoto, N., Ibi, A., Miyata, S., Yamada, Y., Kubo, T., Suzuki, A., Terai, T.

“…PLD (pulsed laser deposition) prepared YBCO tapes were irradiated by 450MeV Xe23+ or 500MeV Au31+ ions with irradiation fluence from 1.0×1010 to…”
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High production rate of IBAD-MgO buffered substrate by Yoshizumi, M., Miyata, S., Ibi, A., Fukushima, H., Yamada, Y., Izumi, T., Shiohara, Y.

“…The conventional IBAD (Ion Beam Assisted Deposition) process using fluorite materials yields low production rates, resulting in high production cost, which…”
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Development of scribing process of coated conductors for reduction of AC losses by Suzuki, K., Yoshizumi, M., Izumi, T., Shiohara, Y., Iwakuma, M., Ibi, A., Miyata, S., Yamada, Y.

“…Coated conductors (CCs) are prospective for electric power applications intended for not only better cost performance but also high critical current density (…”
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Strain Dependence of Superconducting Properties for GdBCO Coated Conductor in High Field Under Tensile Load by Oguro, H., Suzuki, T., Minegishi, K., Awaji, S., Watanabe, K., Nishijima, G., Sugano, M., Machiya, S., Shobu, T., Sato, M., Koganezawa, T., Osamura, K., Ibi, A., Yoshizumi, M., Izumi, T., Shiohara, Y.

“…The strain dependence of T c and I c for the GdBCO coated conductor was measured at 77 and 4.2 K in magnetic fields. T c decreased with increasing applied…”
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Long IBAD-MgO and PLD coated conductor by Yamada, Y., Miyata, S., Yoshizumi, M., Fukushima, H., Ibi, A., Izumi, T., Shiohara, Y., Kato, T., Hirayama, T.

“…Simple 4-layered buffer architecture of Ion Beam Assisted Deposition (IBAD)-MgO is proposed. Using a new barrier and nucleation layer of amorphous Gd 2Zr 2O 7…”
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Current Transport Properties of 200 A-200 m-Class IBAD YBCO Coated Conductor Over Wide Range of Magnetic Field and Temperature by Inoue, M., Kiss, T., Mitsui, D., Nakamura, T., Fujiwara, T., Awaji, S., Watanabe, K., Ibi, A., Miyata, S., Yamada, Y., Shiohara, Y.

“…Current transport properties in 200 A-200 m-class IBAD-YBCO coated conductor (CC) have been investigated over a wide range of temperature and magnetic flux…”
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Development of long YBCO coated conductors by IBAD–PLD method by Ibi, A., Fukushima, H., Kuriki, R., Miyata, S., Takahashi, K., Kobayashi, H., Konishi, M., Watanabe, T., Yamada, Y., Shiohara, Y.

“…On the substrate that a CeO2 cap layer deposited by PLD method on a Gd2Zr2O7 buffered Hastelloy tape by IBAD method, we have investigated YBa2Cu3O7−x (YBCO)…”
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Investigations of thick YBCO coated conductor with high critical current using IBAD-PLD method by Ibi, A., Iwai, H., Takahashi, K., Muroga, T., Miyata, S., Watanabe, T., Yamada, Y., Shiohara, Y.

“…Thick YBCO film were deposited by the PLD method on the self-epitaxial CeO2 buffered substrate: a CeO2 cap layer was deposited by the PLD method on Gd2Zr2O7…”
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Mechanical and transport characteristic exploration for coated conductors by hoop stress tests by Nishijima, G., Awaji, S., Watanabe, K., Shikimachi, K., Hirano, N., Nagaya, S., Ibi, A., Izumi, T., Shiohara, Y.

“…► Mechanical and transport characteristics of coated conductors were explored by hoop stress tests at 4.2K, 11T. ► Deformation was investigated by strain…”
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Development of long REBCO coated conductors with artificial pinning centers by using MPMT–PLD method by Ibi, A., Miyata, S., Kuriki, R., Kobayashi, H., Fukushima, H., Kinoshita, A., Kato, T., Hirayama, T., Yamada, Y., Shiohara, Y.

“…We have been investigating long-length and high critical current, I c, REBa 2Cu 3O 7−δ (REBCO, RE: rare earth) coated conductors by using the combination of…”
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GdBCO and YBCO long coated conductors and coils by Fukushima, H., Ibi, A., Takahashi, H., Kuriki, R., Miyata, S., Yamada, Y., Shiohara, Y.

“…We developed long coated conductors and a coil of GdBa2Cu3O7−x (GdBCO). The GdBCO coated conductor exhibited higher critical current density (Jc) in a magnetic…”
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