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Approach to Low Contact Resistance Formation on Buried Interface in Oxide Thin-Film Transistors: Utilization of Palladium-Mediated Hydrogen Pathway
Description/Abstract:
Amorphous oxide semiconductors (AOSs) with low off-currents and processing temperatures offer promising alternative materials for next-ge...
Keyword:
IGZO
,
contact resistance
,
hydrogen
,
oxide semiconductors
,
palladium
, and
thin-film transistors
Resource Type:
Article
Author:
Yuhao Shi
,
Masatake Tsuji
,
Hanjun Cho
,
Shigenori Ueda
,
Junghwan Kim
, and
Hideo Hosono
Journal:
ACS Nano
Date Uploaded:
08/04/2024
Critical current improvement and resistance evaluation of superconducting joint between Bi2223 tapes
Description/Abstract:
We improved the critical current (Ic) of the superconducting joint between the Bi2223 tapes by introducing the two-step sintering process...
Keyword:
Superconducting joint
Resource Type:
Article
Author:
Y Takeda
,
K Kobayashi
,
A Uchida
,
H Kitaguchi
,
G Nishijima
,
Y Yanagisawa
,
T Nakashima
,
S Yamade
,
S Kobayashi
,
T Kato
,
S Nakamura
,
T Motoki
, and
J Shimoyama
Journal:
Superconductor Science and Technology
Date Uploaded:
05/04/2024
Development of a Persistent Current Mode 9.39 T (400 MHz) LTS/Bi-2223 NMR Magnet With a Bi-2223 Superconducting Joint
Description/Abstract:
We developed and operated a persistent current (PC) mode 9.39 T (400 MHz for 1H NMR) LTS/Bi-2223 NMR magnet using a Bi-2223 insert coil w...
Keyword:
Persistent current
Resource Type:
Article
Author:
Y. Takeda
,
Y. Suetomi
,
U. Nakai
,
R. Piao
,
Y. Matsutake
,
T. Yagai
,
T. Motoki
,
J. Shimoyama
,
M. Hamada
,
K. Saito
, and
Y. Yanagisawa
Journal:
IEEE Transactions on Applied Superconductivity
Date Uploaded:
05/04/2024
Review of the temporal stability of the magnetic field for ultra-high field superconducting magnets with a particular focus on superconducting joints between HTS conductors
Description/Abstract:
Superconducting magnets used in applications such as magnetic resonance imaging (MRI) and nuclear magnetic resonance (NMR) require signif...
Keyword:
Superconducting joint
Resource Type:
Article
Author:
Y Takeda
,
H Maeda
,
K Ohki
, and
Y Yanagisawa
Journal:
Superconductor Science and Technology
Date Uploaded:
05/04/2024
Consideration of Magnetic Flux Distribution in Multi−Filamented YBa<sub>2</sub>Cu<sub>3</sub>O<sub>7−δ</sub> Films by Controlling Crystal Array Using Surface−Modified Substrate
Description/Abstract:
Large direct currents can flow through REBa2Cu3O7−δ (REBCO) wires without energy loss because of zero resistance. However, they suffer fr...
Keyword:
Multi−filamentary superconductors
Resource Type:
Article
Author:
Hiroki Fujimoto
,
Akiyoshi Matsumoto
,
Shuuichi Ooi
,
Minoru Tachiki
,
Masayoshi Inoue
, and
Ryo Teranishi
Journal:
IEEE Transactions on Applied Superconductivity
Date Uploaded:
05/04/2024
The effect of intermediate layer densification on the critical current of a Bi-2223 superconducting joint
Description/Abstract:
The effect of intermediate layer densification on the critical current (Ic) of Bi-2223 superconducting joints was quantitatively studied....
Keyword:
Superconducting joint
Resource Type:
Article
Author:
Y Takeda
,
G Nishijima
,
K Inoue
,
Y Takano
, and
H Kitaguchi
Journal:
Superconductor Science and Technology
Date Uploaded:
05/04/2024
Interpretation of time-dependent current and resistance of HTS closed loop with superconducting joint considering flux creep
Description/Abstract:
A low circuit resistance is required for a superconducting magnet operated in persistent mode using superconducting joints. We performed ...
Keyword:
Superconducting joint
Resource Type:
Article
Author:
Yasuaki Takeda
,
Yuji Tsuchiya
, and
Gen Nishijima
Journal:
Applied Physics Express
Date Uploaded:
05/04/2024
Angular Dependence of Critical Current and Grain Alignment in Bi-2223 Superconducting Joint
Description/Abstract:
We clarify the relationship between the angular dependence of critical current in a Bi-2223 superconducting joint and grain alignment in ...
Keyword:
Bi-2223 tape
,
HTS magnets
, and
critical current
Resource Type:
Article
Author:
Yasuaki Takeda
,
Gen Nishijima
,
Ukyo Nakai
,
Takanori Motoki
,
Jun-ichi Shimoyama
, and
Hitoshi Kitaguchi
Journal:
IEEE Transactions on Applied Superconductivity
Date Uploaded:
05/04/2024
Angular dependence of resistance and critical current of a Bi-2223 superconducting joint
Description/Abstract:
Low resistance and high critical current are prerequisites for superconducting joints used in persistent-mode magnets. Herein, we use a j...
Keyword:
Superconducting joint
Resource Type:
Article
Author:
Y Takeda
,
G Nishijima
,
U Nakai
,
T Motoki
,
J Shimoyama
, and
H Kitaguchi
Journal:
Superconductor Science and Technology
Date Uploaded:
05/04/2024
Particle Size Effect on Powder Packing Properties and Molten Pool Dimensions in Laser Powder Bed Fusion Simulation
Description/Abstract:
Various defects are produced during laser powder bed fusion (L-PBF) process, and can affect the quality of the fabricated part. Past stud...
Keyword:
discrete-element method
,
laser powder bed fusion
,
multiphysics CFD simulation
,
packing fraction
,
packing homogeneity
,
particle size
, and
powder spreading
Resource Type:
Article
Author:
Jun Katagiri
,
Sukeharu Nomoto
,
Masahiro Kusano
, and
Makoto Watanabe
Journal:
Journal of Manufacturing and Materials Processing
Date Uploaded:
05/04/2024
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金材技研ニュース
368
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金属材料技術研究所
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無機材質研究所
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Material/Specimen
HfO2
2
InP/GaInAsP multilayer specimens
2
41 elemental solids (Li, Be, graphite, diamond, glassy C, Na, Mg, Al, Si, K, Sc, Ti, V, Cr, Fe, Co, Ni, Cu, Ge, Y, Nb, Mo, Ru, Rh, Pd, Ag, In, Sn, Cs, Gd, Tb, Dy, Hf, Ta, W, Re, Os, Ir, Pt, Au, and Bi)
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C (graphite), Si, Cr, Fe, Cu, Zn, Ga, Mo, Ag, Ta, W, Pt and Au
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1994
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FURUYA, Yoshiyuki
126
HIRUKAWA, Hisashi
126
NAGASHIMA, Nobuo
126
NISHIKAWA, Hideaki
126
TAKEUCHI, Etsuo
126
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International Center for Materials Nanoarchitectonics (WPI-MANA)
95
Ikumu Watanabe
28
Kosuke Minami
20
Tanuma, Shigeo
18
Katsuhiko Ariga
17
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無機材質研究所
282
吉村 浩
103
林 弘
61
越川 隆光
46
保坂 彬夫
36
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MOTEKI, Fuma
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JSPS
42
Japan Society for the Promotion of Science
42
JST
24
Japan Science and Technology Agency
14
JSPS KAKENHI
8
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マテリアルインテグレーション
24
Physical Review B
22
工業材料
13
JOURNAL OF APPLIED PHYSICS
10
Journal of Surface Analysis
10
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