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First-principles calculations on the spin anomalous Hall effect of ferromagnetic alloys
Description/Abstract:
The spin anomalous Hall effect (SAHE) in ferromagnetic metals, which can generate a spin-orbit torque to rotate the magnetization of anot...
Keyword:
Density of states, Fermi surface, Magnetotransport, Spin-orbit coupling, Spintronics
Resource Type:
Article
Author:
Yoshio Miura
and
Keisuke Masuda
Journal:
Physical Review Materials
Date Uploaded:
01/08/2022
Date Modified:
15/05/2023
Syntheses of Water-soluble Silver(II)-Phthalocyanines toward Optical Sensing for Thiol Detection
Description/Abstract:
Water-soluble silver(II)-phthalocyanine complexes (AgPcs), tetrakis{4-(N-alkylpyridinium)thio}phthalocyaninato silver(II) tetrafluorobora...
Keyword:
phthalocyanine
Resource Type:
Article
Author:
Hiroaki Isago
,
Harumi Fujita
,
Suzuko Nakai
, and
Tamotsu Sugimori
Date Uploaded:
17/03/2023
Date Modified:
28/03/2023
Mechanism of ion track formation in silicon by much lower energy deposition than the formation threshold
Description/Abstract:
The mechanism of the track formation in crystalline silicon (c-Si) under C60 ion irradiation with the medium energies of 1-9 MeV is discu...
Keyword:
C60 ion
,
ion track
,
silicon
,
swift heavy ion
,
synergy effect
, and
track recrystallization
Resource Type:
Article
Author:
H Amekura
,
K Narumi
,
A Chiba
,
Y Hirano
,
K Yamada
,
S Yamamoto
,
N Ishikawa
,
N Okubo
,
M Toulemonde
, and
Y Saitoh
Journal:
PHYSICA SCRIPTA
Date Uploaded:
10/05/2023
Irradiation Temperature Dependence of Shape Elongation of Metal Nanoparticles in Silica: Counterevidence to Ion Hammering Related Scenario
Description/Abstract:
Irradiation temperature (IT) dependence of the elongation efficiency of vanadium nanoparticles (NPs) in SiO2 was evaluated: The samples ...
Keyword:
ion shaping
,
irradiation temperature dependence
,
metal nanoparticle
,
optical linear dichroism spectroscopy
,
shape elongation
,
silica glass
, and
swift heavy ion
Resource Type:
Article
Author:
Hiroshi Amekura
,
Saif Ahmad Khan
,
Pawan Kumar Kulriya
, and
Debdulal Kabiraj
Journal:
Quantum Beam Science
Date Uploaded:
11/05/2023
Integration of X-ray Absorption Fine Structure Databases for Data-Driven Materials Science
Description/Abstract:
With the aim of introducing data-driven science and establishing an infrastructure for making XAFS spectra findable and reusable, we have...
Keyword:
DOI
,
RDF
,
X-ray absorption fine structure
,
data integration
,
materials data repository
, and
metadata
Resource Type:
Article
Author:
Masashi Ishii
Journal:
Science and Technology of Advanced Materials: Methods
Date Uploaded:
08/06/2023
Date Modified:
12/06/2023
Classification of EBSD Kikuchi patterns for stainless steel by unsupervised learning methods to investigate grain boundaries
Description/Abstract:
EBSD indexing based on Kikuchi diffraction patterns, which indicate the types and orientation of the crystal lattice, is generally effect...
Keyword:
EBSD
,
hydrogen permeation
,
stainless steel
, and
unsupervised learning
Resource Type:
Article
Author:
Satoka Aoyagi
,
Daisuke Hayashi
,
Yoshiharu Murase
,
Naoya Miyauchi
, and
Akiko N. Itakura
Journal:
e-Journal of Surface Science and Nanotechnology
Date Uploaded:
23/10/2023
Model of local hydrogen permeability in stainless steel with two coexisting structures
Description/Abstract:
The dynamics of hydrogen in metals with mixed grain structure is not well understood at a microscopic scale. One of the biggest issues fa...
Keyword:
hydrogen permeation
,
hydrogen visualization
,
permeation model
, and
stainless steel
Resource Type:
Article
Author:
Akiko N. Itakura
,
Naoya Miyauchi
,
Yoshiharu Murase
,
Taro Yakabe
,
Masahiro Kitajima
, and
Satoka Aoyagi
Journal:
Scientific Reports
Date Uploaded:
23/10/2023
2-step reaction kinetics for hydrogen absorption into bulk material via dissociative adsorption on the surface
Description/Abstract:
We have demonstrated that the process of hydrogen absorption into a solid experimentally follows a Langmuir-type (hyperbolic) function in...
Keyword:
2-step reaction kinetics (2sRK) model
and
hydrogen absorption
Resource Type:
Article
Author:
Taro Yakabe
,
Gaku Imamura
,
Genki Yoshikawa
,
Naoya Miyauchi
,
Masahiro Kitajima
, and
Akiko N. Itakura
Journal:
Scientific Reports
Date Uploaded:
23/10/2023
Fusion data analysis of imaging data of hydrogenpermeated steel obtained by complementary methods
Description/Abstract:
オペランド水素顕微鏡で取得したステンレス鋼透過水素の時間応答挙動を、電子顕微鏡画像との画像融合後に数種の計算科学的手法で解析した。 主成分分析(PCA)、スパースモデリングの代表であるLASSO、ニューラルネットワークを使用した次元圧縮のひとつであるオートエンコーダ、で構...
Keyword:
Autoencoder
,
Hydrogen diffusion
,
Least absolute shrinkage and selection operator
, and
Principal component analysis
Resource Type:
Article
Author:
Tomomi Akiyama
,
Naoya Miyauchi
,
Akiko N. Itakura
,
Takayuki Yamagishi
, and
Satoka Aoyagi
Journal:
JOURNAL OF VACUUM SCIENCE & TECHNOLOGY B
Date Uploaded:
26/10/2023
Date Modified:
26/10/2023
Nanoporous Activated Carbon Material from Terminalia chebula Seed for Supercapacitor Application
Description/Abstract:
Here we report electrochemical supercapacitive performance of novel high porosity activated carbon materials prepared from biowaste Termi...
Keyword:
Terminalia chebula (Harro)
,
ZnCl2 activation
,
nanoporous carbons
, and
supercapacitors
Resource Type:
Article
Author:
Chhabi Lal Gnawali
,
Lok Kumar Shrestha
,
Jonathan P. Hill
,
Renzhi Ma
,
Katsuhiko Ariga
,
Mandira Pradhananga Adhikari
,
Rinita Rajbhandari
, and
Bhadra P. Pokharel
Journal:
C-Journal of Carbon Research
Date Uploaded:
20/11/2023
Liquid phase penetration sintering of garnet-type solid electrolyte LLZTO
Description/Abstract:
It is important to develop processes for manufacturing all-solid-state batteries to form ionic conductive interfaces at low temperatures....
Keyword:
Garnet
,
Liquid phase
,
Low-temperature sintering
, and
Solid electrolyte
Resource Type:
Article
Author:
吉田 尚生
,
桑田 直明
,
長谷川 源
, and
高田 和典
Journal:
SOLID STATE IONICS
Date Uploaded:
28/11/2023
Exfoliation Behavior of Large Anionic Graphite Flakes in Liquid Produced by Salt-Assisted Ball Milling
Description/Abstract:
Functionalization of graphite is crucial for efficient and effective exfoliation to graphene. When negative charges are fixed to the edge...
Keyword:
Characterization
,
Graphene
,
Graphite structure
, and
Liquid phase exfoliation
Resource Type:
Article
Author:
Yoshihiko Arao
,
Jonathon D. Tanks
,
Kojiro Aida
, and
Masatoshi Kubouchi
Journal:
Processes
Date Uploaded:
28/11/2023
Mass production of low-boiling point solvent- and water-soluble graphene by simple salt-assisted ball milling
Description/Abstract:
Developing a mass production method for graphene is essential for practical usage of this remarkable material. Direct exfoliation of grap...
Keyword:
Graphene
,
Liquid phase exfoliation
, and
Weak acid salt
Resource Type:
Article
Author:
Yoshihiko Arao
,
Riichi Kuwahara
,
Kaoru Ohno
,
Jonathon Tanks
,
Kojiro Aida
,
Masatoshi Kubouchi
, and
Shin-ichi Takeda
Journal:
Nanoscale Advances
Date Uploaded:
28/11/2023
Tethering Organic Disulfides to Layered Silicates: A Versatile Strategy for Photo-Controllable Dynamic Chemistry and Functionalization
Description/Abstract:
The dynamic covalent chemistry of molecular disulfides has been studied extensively in solution, but their reactivity when confined to na...
Keyword:
Disulfide chemistry
,
Layered silicates
, and
Photo-reactivity
Resource Type:
Article
Author:
Jonathon Tanks
,
Takashi Hiroi
,
Kenji Tamura
, and
Kimiyoshi Naito
Journal:
Bulletin of the Chemical Society of Japan
Date Uploaded:
12/12/2023
Date Modified:
15/02/2024
鉄鋼試料中水素拡散評価を目指したマルチモーダルデータ解析
Description/Abstract:
Multimodal data analysis provides useful information that is not generally obtained from one of the analysis methods. In this study, time...
Keyword:
EBSD
,
hydrogen permeation
,
hydrogen visualization
, and
multimodal data analysis
Resource Type:
Article
Author:
Satoka AOYAGI
,
Tomomi AKIYAMA
,
Natsumi SUZUKI
,
Naoya MIYAUCHI
, and
Akiko N. ITAKURA
Journal:
Vacuum and Surface Science
Date Uploaded:
26/12/2023
Local Probe-Induced Structural Isomerization in a One-Dimensional Molecular Array
Description/Abstract:
Synthesis of one-dimensional molecular arrays with tailored stereoisomers is challenging yet has great potential for application in molec...
Keyword:
isomerization
,
local probe
, and
molecular array
Resource Type:
Article
Author:
Shigeki Kawai
,
Orlando J. Silveira
,
Lauri Kurki
,
Zhangyu Yuan
,
Tomohiko Nishiuchi
,
Takuya Kodama
,
Kewei Sun
,
Oscar Custance
,
Jose L. Lado
,
Takashi Kubo
, and
Adam S. Foster
Journal:
Nature Communications
Date Uploaded:
28/12/2023
オペランド水素顕微鏡による時間分解水素透過測定から求める拡散モデルの提案
Description/Abstract:
One of the biggest issues in the hydrogen economy is “hydrogen embrittlement” of metal induced by hydrogen entering and diffusing into th...
Keyword:
diffusion model
,
hydrogen permeation
,
hydrogen visualization
, and
stainless steel
Resource Type:
Article
Author:
Akiko N. ITAKURA
,
Yoshiharu MURASE
,
Taro YAKABE
,
Naoya MIYAUCHI
,
Masahiro KITAJIMA
, and
Satoka AOYAGI
Journal:
Vacuum and Surface Science
Date Uploaded:
28/12/2023
Three-dimensional graphene nanoribbons as a framework for molecular assembly and local probe chemistry
Description/Abstract:
Recent advances in state-of-the-art probe microscopy allow us to conduct single molecular chemistry via tip-induced reactions and direct ...
Keyword:
graphene nanoribbons
,
local probe
, and
molecular assembly
Resource Type:
Article
Author:
Shigeki Kawai
,
Ondřej Krejčí
,
Tomohiko Nishiuchi
,
Keisuke Sahara
,
Takuya Kodama
,
Rémy Pawlak
,
Ernst Meyer
,
Takashi Kubo
, and
Adam S. Foster
Journal:
Science Advances
Date Uploaded:
28/12/2023
631% room temperature tunnel magnetoresistance with large oscillation effect in CoFe/MgO/CoFe(001) junctions
Description/Abstract:
We demonstrate tunnel magnetoresistance (TMR) ratios of up to 631% at room temperature (RT) using CoFe/MgO/CoFe(001) epitaxial magnetic t...
Keyword:
MgO
,
TMR
,
epitaxial growth
,
magnetic tunnel junctions
,
spintronics
, and
tunnel magnetoresistance
Resource Type:
Article
Author:
Thomas Scheike
,
Zhenchao Wen
,
Hiroaki Sukegawa
, and
Seiji Mitani
Journal:
APPLIED PHYSICS LETTERS
Date Uploaded:
05/01/2024
Repetitive Direct Comparison Method for Odor Sensing
Description/Abstract:
Olfactory sensors are one of the most anticipated applications of gas sensors. To distinguish odors—complex mixtures of gas species, it i...
Keyword:
gas sensor
,
membrane-type surface stress sensor
,
olfactory sensor
, and
signal processing
Resource Type:
JournalArticle
Author:
Gaku Imamura
,
Kosuke Minami
, and
Genki Yoshikawa
Journal:
Biosensors
Date Uploaded:
12/01/2024
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