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Ryo Toyama
Ryo Toyama
National Institute for Materials Science (NIMS), Magnetic Materials Group
在 nims.go.jp 的电子邮件经过验证 - 首页
标题
引用次数
引用次数
年份
Towards single electron transistor-based photon detection with microplasma-enabled graphene quantum dots
PC Yeh, G Ohkatsu, R Toyama, PT Tue, KK Ostrikov, Y Majima, ...
Nanotechnology 32 (50), 50LT01, 2021
92021
Ti underlayer effect on the ordering of CoPt in (Co/Pt) 4 multilayer thin films on Si/SiO2 substrates
R Toyama, S Kawachi, J Yamaura, Y Murakami, H Hosono, Y Majima
Japanese Journal of Applied Physics 59 (7), 075504, 2020
92020
Formation of L10-ordered CoPt during interdiffusion of electron-beam-deposited Pt/Co bilayer thin films on Si/SiO2 substrates by rapid thermal annealing
R Toyama, S Kawachi, S Iimura, J Yamaura, Y Murakami, H Hosono, ...
Materials Research Express 7 (6), 066101, 2020
92020
Nanostructure-induced L10-ordering of twinned single-crystals in CoPt ferromagnetic nanowires
R Toyama, S Kawachi, J Yamaura, T Fujita, Y Murakami, H Hosono, ...
Nanoscale Advances 4 (24), 5270, 2022
52022
Large coercivity of 13 kOe in L10-ordered CoPt on Si/SiO2 substrates by hydrogen annealing
R Toyama, S Kawachi, J Yamaura, Y Murakami, H Hosono, Y Majima
Japanese Journal of Applied Physics 61 (6), 065002, 2022
42022
Electronic properties and potential applications of the heterojunction between silicon and multi‐nanolayer amorphous selenium
JD John, I Saito, R Toyama, J Ochiai, T Yamada, T Masuzawa, DHC Chua, ...
Electronics Letters 53 (18), 1270-1272, 2017
42017
Electrolysis as a controllable method for establishing pn junctions in multi-nanolayer films of amorphous selenium
JD John, I Saito, J Ochiai, R Toyama, T Masuzawa, T Yamada, DHC Chua, ...
Journal of Applied Physics 122 (6), 2017
32017
Combinatorial optimization for high spin polarization in Heusler alloy composition-spread thin films by anisotropic magnetoresistance effect
R Toyama, VK Kushwaha, TT Sasaki, Y Iwasaki, T Nakatani, Y Sakuraba
APL Materials 11 (10), 2023
12023
Origin of negative anisotropic magnetoresistance effect in single-crystal thin films upon Ir addition
R Toyama, S Kokado, K Masuda, Z Li, VK Kushwaha, TT Sasaki, ...
Physical Review Materials 7 (8), 084401, 2023
12023
Interdiffusion during heteroepitaxial Au growth on Pd thin films by electroless Au plating (ELGP) at room temperature
M Yang, R Toyama, PT Tue, Y Majima
Applied Physics Express 13 (1), 015006, 2019
12019
Autonomous search for half-metallic materials with B2 structure
Y Iwasaki, R Toyama, T Yamazaki, Y Igarashi, M Kotsugi, Y Sakuraba
Science and Technology of Advanced Materials: Methods, 2403966, 2024
2024
Large anomalous Nernst conductivity of L10-ordered CoPt in CoPt composition-spread thin films
R Toyama, K Masuda, K Simalaotao, W Zhou, VK Kushwaha, Y Sakuraba
Journal of Physics D: Applied Physics 57 (40), 405001, 2024
2024
Ordered alloy ferromagnetic nanowire structure and method for producing same
Y Majima, J Yamaura, S Kawachi, H Hosono, R Toyama
US Patent App. 18/597,912, 2024
2024
7.4 nm linewidth Pt nanowires by electron-beam lithography using non-chemically amplified positive-tone resist and post-exposure bake
R Toyama, Y Majima
Japanese Journal of Applied Physics 63 (4), 040905, 2024
2024
Extrinsic contribution to the anomalous Hall effect and Nernst effect in single-crystal thin films by Ir doping
R Toyama, W Zhou, Y Sakuraba
Physical Review B 109 (5), 054415, 2024
2024
Nanostructure-Induced L10-Ordered CoPt Ferromagnetic Nanowires on Si/SiO2 Substrates
R Toyama, S Kawachi, J Yamaura, T Fujita, Y Murakami, H Hosono, ...
2023
Origin of magnetic moment increase in (Fe75Co25) 100-x-Irx studied by magnetic circular dichroism (MCD)
T Kawasaki, T Yamazaki, AL Foggiatto, K Fuku, R Toyama, VK Kushwaha, ...
Abstract book of Annual Meeting of the Japan Society of Vacuum and Surface …, 2023
2023
Ta underlayer effect on ordering of CoPt on Si substrates
R Toyama, S Kawachi, J Yamaura, Y Murakami, H Hosono, Y Majima
JSAP Annual Meetings Extended Abstracts The 82nd JSAP Autumn Meeting 2021 …, 2021
2021
Heteroepitaxial structure and method for forming the same, and nanogap electrode
Y Majima, C Yoonyoung, I Shimada, R Toyama, Y Mingyue
US Patent App. 17/213,527, 2021
2021
External magnetic field dependent current in a single-electron transistor using Pd nanogap electrodes and an Au nanoparticle
M You, R Toyama, T Teranishi, Y Majima
JSAP Annual Meetings Extended Abstracts The 68th JSAP Spring Meeting 2021 …, 2021
2021
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