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研究成果 1986 2016

  • 589 引用
  • 12 h指数
  • 41 記事
  • 3 会議での発言
  • 3 Conference article
  • 1 論文
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記事
1 引用 (Scopus)

Ac Josephson effect in superconducting all-Nb thin-film nanobridges up to 693 GHz

Uzawa, Y., Kawate, E., Hirose, N., Motohashi, I., Harada, Y., Sekine, M., Miki, Y. & Okaji, M., 12 1 1992, : : Applied Physics Letters. 61, 8, p. 967-969 3 p.

研究成果: ジャーナルへの寄稿記事

Josephson effect
thin films
niobium
infrared lasers
electric potential

All-Nb thin film microbridge-type Josephson junction for submillimeter-wave detection

Hirose, N., Harada, Y., Sekine, M., Yoshimori, S. & Kawamura, M., 1 1 1993, : : Infrared Physics. 34, 5, p. 445-455 11 p.

研究成果: ジャーナルへの寄稿記事

Submillimeter waves
submillimeter waves
Methacrylates
Josephson junctions
Electron beams
3 引用 (Scopus)

Aluminum oxide for an effective gate in Si/SiGe two-dimensional electron gas systems

Shin, Y. S., Brunner, R., Shibatomi, A., Obata, T., Otsuka, T., Yoneda, J., Shiraki, Y., Sawano, K., Tokura, Y., Harada, Y., Ishibashi, K. & Tarucha, S., 4 5 2011, : : Semiconductor Science and Technology. 26, 5, 055004.

研究成果: ジャーナルへの寄稿記事

Two dimensional electron gas
Aluminum Oxide
Semiconductor quantum dots
electron gas
aluminum oxides
1 引用 (Scopus)

Analysis of quasiparticle injection three-terminal device

Harada, Y., Hirose, N., Uzawa, Y., Yoshimori, S., Sekine, M. & Kawamura, M., 1 1 1991, : : Infrared Physics. 32, C, p. 129-137 9 p.

研究成果: ジャーナルへの寄稿記事

Energy gap
injection
Current voltage characteristics
Transistors
transistors
1 引用 (Scopus)

Andreev reflection and bound state formation in a ballistic two-dimensional electron gas probed by a quantum point contact

Irie, H., Todt, C., Kumada, N., Harada, Y., Sugiyama, H., Akazaki, T. & Muraki, K., 10 12 2016, : : Physical Review B. 94, 15, 155305.

研究成果: ジャーナルへの寄稿記事

Two dimensional electron gas
Point contacts
Ballistics
ballistics
electron gas
3 引用 (Scopus)

Anomalous magnetic flux periodicity of supercurrent in mesoscopic SNS Josephson junctions

Harada, Y., Jensen, S., Akazaki, T. & Takayanagi, H., 2 15 2002, : : Physica C: Superconductivity and its Applications. 367, 1-4, p. 229-233 5 p.

研究成果: ジャーナルへの寄稿記事

Magnetic flux
Josephson junctions
magnetic flux
periodic variations
Fluxes
77 引用 (Scopus)

Charge solitons and quantum fluctuations in two-dimensional arrays of small Josephson junctions

Delsing, P., Chen, C. D., Haviland, D. B., Harada, Y. & Claeson, T., 1 1 1994, : : Physical Review B. 50, 6, p. 3959-3971 13 p.

研究成果: ジャーナルへの寄稿記事

Josephson junctions
solitary waves
activation
electrodes
magnetic fields

Coherent cooper-pair tunneling in a superconducting single electron transistor

Harada, Y., Takayanagi, H. & Odintsov, A. A., 1995, : : Japanese Journal of Applied Physics. 34, 8, p. 4572-4574 3 p.

研究成果: ジャーナルへの寄稿記事

Single electron transistors
Electric power measurement
single electron transistors
SQUIDs
Superconducting materials
11 引用 (Scopus)

Cooper-pair tunneling in small junctions with tunable Josephson coupling

Harada, Y., Takayanagi, H. & Odintsov, A. A., 1 1 1996, : : Physical Review B - Condensed Matter and Materials Physics. 54, 9, p. 6608-6613 6 p.

研究成果: ジャーナルへの寄稿記事

SQUIDs
Networks (circuits)
compressing
charging
electromagnetism
2 引用 (Scopus)

Detection of Coherent Terahertz Radiation from a High-Temperature Superconductor Josephson Junction by a Semiconductor Quantum-Dot Detector

Shaikhaidarov, R., Antonov, V. N., Casey, A., Kalaboukhov, A., Kubatkin, S., Harada, Y., Onomitsu, K., Tzalenchuk, A. & Sobolev, A., 2 22 2016, : : Physical Review Applied. 5, 2, 024010.

研究成果: ジャーナルへの寄稿記事

coherent radiation
high temperature superconductors
Josephson junctions
emitters
quantum dots
70 引用 (Scopus)

Diamond field-effect transistors with 1.3A/mm drain current density by Al 2O 3 passivation layer

Hirama, K., Sato, H., Harada, Y., Yamamoto, H. & Kasu, M., 9 1 2012, : : Japanese journal of applied physics. 51, 9, 090112.

研究成果: ジャーナルへの寄稿記事

Drain current
Field effect transistors
Passivation
passivity
Diamonds
80 引用 (Scopus)

Edge channel transport in the InAs/GaSb topological insulating phase

Suzuki, K., Harada, Y., Onomitsu, K. & Muraki, K., 6 18 2013, : : Physical Review B - Condensed Matter and Materials Physics. 87, 23, 235311.

研究成果: ジャーナルへの寄稿記事

Inelastic scattering
Heterojunctions
Geometry
Electric potential
inelastic scattering
17 引用 (Scopus)

Effects of hydrogen intercalation on transport properties of quasi-free-standing monolayer graphene

Tanabe, S., Takamura, M., Harada, Y., Kageshima, H. & Hibino, H., 1 1 2014, : : Japanese Journal of Applied Physics. 53, 4 SPEC. ISSUE, 04EN01.

研究成果: ジャーナルへの寄稿記事

Intercalation
intercalation
Transport properties
Graphene
Monolayers
14 引用 (Scopus)

Encapsulated gate-all-around InAs nanowire field-effect transistors

Sasaki, S., Tateno, K., Zhang, G., Suominen, H., Harada, Y., Saito, S., Fujiwara, A., Sogawa, T. & Muraki, K., 11 18 2013, : : Applied Physics Letters. 103, 21, 213502.

研究成果: ジャーナルへの寄稿記事

nanowires
field effect transistors
transconductance
electrodes
atomic layer epitaxy
44 引用 (Scopus)

Fabrication and measurement of a Nb based superconducting single electron transistor

Harada, Y., Haviland, D. B., Delsing, P., Chen, C. D. & Claeson, T., 12 1 1994, : : Applied Physics Letters. 65, 5, p. 636-638 3 p.

研究成果: ジャーナルへの寄稿記事

single electron transistors
resonant tunneling
tunnel junctions
niobium
capacitance
1 引用 (Scopus)

Fabrication of a ring structure at the aperture of a hole for the efficient suspension of a lipid bilayer

Goto, T., Harada, Y., Cox, D. & Sumitomo, K., 1 1 2014, : : Japanese Journal of Applied Physics. 53, 9, 96503.

研究成果: ジャーナルへの寄稿記事

Lipid bilayers
ring structures
lipids
apertures
Fabrication
10 引用 (Scopus)

Flux flow and vortex tunneling in two-dimensional arrays of small Josephson junctions

Chen, C., Delsing, P., Haviland, D., Harada, Y. & Claeson, T., 1 1 1996, : : Physical Review B - Condensed Matter and Materials Physics. 54, 13, p. 9449-9457 9 p.

研究成果: ジャーナルへの寄稿記事

Josephson junctions
Vortex flow
vortices
Fluxes
Bias currents
26 引用 (Scopus)

Gate-controlled semimetal-topological insulator transition in an InAs/GaSb heterostructure

Suzuki, K., Harada, Y., Onomitsu, K. & Muraki, K., 6 18 2015, : : Physical Review B - Condensed Matter and Materials Physics. 91, 24, 245309.

研究成果: ジャーナルへの寄稿記事

Metalloids
metalloids
Heterojunctions
insulators
Electric potential
12 引用 (Scopus)

Gate operation of InAs/AlGaSb heterostructures with an atomic-layer- deposited insulating layer

Suzuki, K., Harada, Y., Maeda, F., Onomitsu, K., Yamaguchi, T. & Muraki, K., 12 1 2011, : : Applied Physics Express. 4, 12, 125702.

研究成果: ジャーナルへの寄稿記事

Electron traps
Atomic layer deposition
Equivalent circuits
Hysteresis
Surface treatment

Highly sensitive and wideband optical detection in patterned YBa2Cu3O7-δ thin films

Tanaka, K., Arikawa, Y., Sekine, M., Ohtsu, M., Harada, Y. & Danerud, M., 12 1 1996, : : Applied Physics Letters. 68, 22, p. 3174-3176 3 p.

研究成果: ジャーナルへの寄稿記事

broadband
thin films
wavelengths
frequency modulation
detectors
9 引用 (Scopus)

High-temperature characteristics in normally off AlGaN/GaN heterostructure field-effect transistors with recessed-gate enhanced-barrier structures

Maeda, N., Hiroki, M., Sasaki, S. & Harada, Y., 8 1 2012, : : Applied Physics Express. 5, 8, 084201.

研究成果: ジャーナルへの寄稿記事

High electron mobility transistors
field effect transistors
threshold voltage
high current
high voltages
1 引用 (Scopus)
High electron mobility transistors
field effect transistors
augmentation
Temperature
threshold voltage
4 引用 (Scopus)

In 0:75Ga0:25as quantum point contacts utilizing wrap-gate geometry

Irie, H., Harada, Y., Sugiyama, H. & Akazaki, T., 2 1 2012, : : Applied Physics Express. 5, 2, 024001.

研究成果: ジャーナルへの寄稿記事

wrap
Point contacts
Geometry
geometry
constrictions
8 引用 (Scopus)
Critical currents
Point contacts
Ballistics
ballistics
Superconducting materials
2 引用 (Scopus)

Magnetic flux and gate voltage modulation of the current in a superconducting loop of ultra-small tunnel junctions

Harada, Y., Haviland, D. B., Chen, C. D., Delsing, P. & Claeson, T., 2 2 1994, : : Physica B: Physics of Condensed Matter. 194-196, PART 1, p. 1015-1016 2 p.

研究成果: ジャーナルへの寄稿記事

Tunnel junctions
Magnetic flux
tunnel junctions
magnetic flux
Capacitance
self alignment
Triodes
triodes
oscillators
Negative resistance
7 引用 (Scopus)

Nanowire-nanoantenna coupled system fabricated by nanomanipulation

Ono, M., Kuramochi, E., Zhang, G., Sumikura, H., Harada, Y., Cox, D. & Notomi, M., 4 18 2016, : : Optics Express. 24, 8, p. 8647-8659 13 p.

研究成果: ジャーナルへの寄稿記事

nanowires
augmentation
degrees of freedom
breakdown
ion beams
4 引用 (Scopus)

New Positive EB Resist with Strong Resistance to Plasma Damage

Yamaguchi, K., Ozaki, H., Hirao, A., Hirose, N., Harada, Y., Uzawa, Y., Sekine, M., Yoshimori, S. & Kawamura, M., 3 1992, : : Journal of the Electrochemical Society. 139, 3, p. L33-L34

研究成果: ジャーナルへの寄稿記事

Positrons
Methylmethacrylate
Electron beams
Methacrylates
Copolymers
4 引用 (Scopus)

Observation of neuronal death in vitro by SEM and optical microscopy

Kasai, N., Lu, R., Goto, T., Tanaka, A., Tsukada, S., Harada, Y. & Sumitomo, K., 4 19 2014, : : e-Journal of Surface Science and Nanotechnology. 12, p. 179-184 6 p.

研究成果: ジャーナルへの寄稿記事

neurons
death
Electron Scanning Microscopy
Neurons
Optical microscopy
47 引用 (Scopus)

Observation of the resonant tunneling of cooper pairs

Haviland, D. B., Harada, Y., Delsing, P., Chen, C. D. & Claeson, T., 1 1 1994, : : Physical Review Letters. 73, 11, p. 1541-1544 4 p.

研究成果: ジャーナルへの寄稿記事

resonant tunneling
Josephson effect
electric potential
electrodes
electrons
2 引用 (Scopus)

Properties of all-Nb thin film microbridges fabricated by nanometer process

Harada, Y., Hirose, N., Uzawa, Y., Sekine, M., Yoshimori, S. & Kawamura, M., 12 1 1991, : : Physica C: Superconductivity and its applications. 185-189, PART 4, p. 2555-2556 2 p.

研究成果: ジャーナルへの寄稿記事

Radiation
Thin films
sensitivity
radiation
thin films
3 引用 (Scopus)

Properties of the nb thin-film nanobridges prepared by nanometer fabrication process

Harada, Y., Hirose, N. & Uzawa, Y., 12 1991, : : Japanese Journal of Applied Physics. 30, 12, p. 3933-3937 5 p.

研究成果: ジャーナルへの寄稿記事

Reactive ion etching
Nanotechnology
Electron beams
Radiation
Fabrication
14 引用 (Scopus)

Quantum hall effect and carrier scattering in quasi-free-standing monolayer graphene

Tanabe, S., Takamura, M., Harada, Y., Kageshima, H. & Hibino, H., 12 1 2012, : : Applied Physics Express. 5, 12, 125101.

研究成果: ジャーナルへの寄稿記事

Quantum Hall effect
quantum Hall effect
Graphene
Carrier concentration
Monolayers
37 引用 (Scopus)

Scaling behavior of the magnetic-field-tuned superconductor-insulator transition in two-dimensional Josephson-junction arrays

Chen, C. D., Delsing, P., Haviland, D. B., Harada, Y. & Claeson, T., 1 1 1995, : : Physical Review B. 51, 21, p. 15645-15648 4 p.

研究成果: ジャーナルへの寄稿記事

Josephson junctions
insulators
scaling
magnetic fields
Hall resistance
4 引用 (Scopus)

Self-aligned gate-all-around InAs/InP core-shell nanowire field-effect transistors

Sasaki, S., Tateno, K., Zhang, G., Pigot, H., Harada, Y., Saito, S., Fujiwara, A., Sogawa, T. & Muraki, K., 4 1 2015, : : Japanese Journal of Applied Physics. 54, 4, 04DN04.

研究成果: ジャーナルへの寄稿記事

Field effect transistors
Nanowires
nanowires
field effect transistors
Annealing
15 引用 (Scopus)

Slow noise processes in superconducting resonators

Burnett, J., Lindström, T., Oxborrow, M., Harada, Y., Sekine, Y., Meeson, P. & Tzalenchuk, A. Y., 4 5 2013, : : Physical Review B - Condensed Matter and Materials Physics. 87, 14, 140501.

研究成果: ジャーナルへの寄稿記事

Superconducting resonators
Resonators
resonators
flicker
Microwaves
2 引用 (Scopus)

Thermal activation and injection of charge solitons in 2D-arrays of small Josephson junctions.

Delsing, P., Chen, C. D., Haviland, D. B., Harada, Y. & Claeson, T., 2 2 1994, : : Physica B: Physics of Condensed Matter. 194-196, PART 1, p. 993-994 2 p.

研究成果: ジャーナルへの寄稿記事

Solitons
Josephson junctions
solitary waves
Chemical activation
activation
35 引用 (Scopus)

Thermally stable operation of h-terminated diamond FETs by NO 2 adsorption and Al 2O 3 passivation

Hirama, K., Sato, H., Harada, Y., Yamamoto, H. & Kasu, M., 7 9 2012, : : IEEE Electron Device Letters. 33, 8, p. 1111-1113 3 p., 6230604.

研究成果: ジャーナルへの寄稿記事

Diamond
Field effect transistors
Passivation
Diamonds
Adsorption
8 引用 (Scopus)

Ultra-fine metal gate operated graphene optical intensity modulator

Kou, R., Hori, Y., Tsuchizawa, T., Warabi, K., Kobayashi, Y., Harada, Y., Hibino, H., Yamamoto, T., Nakajima, H. & Yamada, K., 12 19 2016, : : Applied Physics Letters. 109, 25, 251101.

研究成果: ジャーナルへの寄稿記事

modulators
graphene
silicon
photonics
metals
3 引用 (Scopus)

Unipolar behavior in graphene-channel field-effect-transistors with n-type doped SiC source/drain regions

Nagahisa, Y., Harada, Y. & Tokumitsu, E., 11 25 2013, : : Applied Physics Letters. 103, 22, 223503.

研究成果: ジャーナルへの寄稿記事

graphene
field effect transistors
annealing
vacuum
1 引用 (Scopus)

Vortex mobility in two-dimensional arrays of small Josephson junctions

Chen, C. D., Delsing, P., Haviland, D. B., Harada, Y. & Claeson, T., 2 2 1994, : : Physica B: Physics of Condensed Matter. 194-196, PART 1, p. 989-990 2 p.

研究成果: ジャーナルへの寄稿記事

Josephson junctions
Vortex flow
vortices
Aluminum
Creep