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Understanding Complex Interplay among Different Instabilities in Multiferroic BiMn7O12 Using 57Fe Probe Mössbauer Spectroscopy
Description/Abstract:
Here, we report the results of a Mössbauer study on hyperfine electrical and magnetic interactions in quadruple perovskite BiMn7O12 doped...
Keyword:
BiMn7O12
,
high-pressure synthesis
, and
quadruple perovskites
Resource Type:
Article
Author:
Iana S. Soboleva
,
Vladimir I. Nitsenko
,
Alexey V. Sobolev
,
Maria N. Smirnova
,
Alexei A. Belik
, and
Igor A. Presniakov
Journal:
International Journal of Molecular Sciences
Date Uploaded:
19/03/2024
Effect of defects on Q factors of single-crystal diamond MEMS resonators
Description/Abstract:
A resonator with a high Q factor is generally pursued in the single-crystal diamond (SCD) microelectromechanical system (MEMS) for high-p...
Keyword:
Diamond, MEMS, Q factor
Resource Type:
Article
Author:
Zilong Zhang
,
Guo Chen
,
Keyun Gu
,
Satoshi Koizumi
, and
Meiyong Liao
Journal:
Functional diamond
Date Uploaded:
05/03/2024
Mg–Zn–Cl-Integrated Functional Interface for Enhancing the Cycle Life of Mg Electrodes
Description/Abstract:
Herein, we adopted surface engineering to address this issue by alleviating the passivation characteristics of reductive Mg electrodes. A...
Keyword:
Interface
,
Magnesium electrode
,
Separator
,
Short-circuit
, and
Surface modification
Resource Type:
Article
Author:
Toshihiko Mandai
,
Umi Tanaka
, and
Mariko Watanabe
Journal:
Energy Storage Materials
Date Uploaded:
05/03/2024
Large-scale DFT calculations of multi-component glass systems (SiO2)0.70(Al2O3)0.13(XO)0.17 (X = Mg, Ca, Sr, Ba) : Accuracy of classical force fields
Description/Abstract:
Although molecular dynamics (MD) simulation is a powerful tool for investigating the atomic-scale structures of complex materials, severa...
Keyword:
Classical force fields
,
First-principles calculations
,
Large-scale DFT
,
Molecular dynamics simulations
, and
Multi-component glass
Resource Type:
Article
Author:
Atsushi Tanaka
,
Atsuki Saito
,
Takashi Murata
,
Ayako Nakata
, and
Tsuyoshi Miyazaki
Journal:
Journal of Non-Crystalline Solids
Date Uploaded:
05/03/2024
2023 Roadmap on molecular modelling of electrochemical energy materials
Description/Abstract:
Overall, this roadmap originating from 20 groups in 11 countries serves as a gateway for both the experts and the beginners to have a qui...
Keyword:
density-functional theory
,
electrocatalysis
,
electrochemical energy storage
,
electrochemical interfaces
,
machine learning
, and
molecular dynamics simulation
Resource Type:
Article
Author:
Chao Zhang
,
Jun Cheng
,
Yiming Chen
,
Maria K Y Chan
,
Qiong Cai
,
Rodrigo P Carvalho
,
Cleber F N Marchiori
,
Daniel Brandell
,
C Moyses Araujo
,
Ming Chen
,
Xiangyu Ji
,
Guang Feng
,
Kateryna Goloviznina
,
Alessandra Serva
,
Mathieu Salanne
,
Toshihiko Mandai
,
Tomooki Hosaka
,
Mirna Alhanash
,
Patrik Johansson
,
Yun-Ze Qiu
,
Hai Xiao
,
Michael Eikerling
,
Ryosuke Jinnouchi
,
Marko M Melander
,
Georg Kastlunger
,
Assil Bouzid
,
Alfredo Pasquarello
,
Seung-Jae Shin
,
Minho M Kim
,
Hyungjun Kim
,
Kathleen Schwarz
, and
Ravishankar Sundararaman
Journal:
Journal of Physics-Energy
Date Uploaded:
05/03/2024
A Rhombic Dodecahedral Honeycomb Structure with Cation Vacancy Ordering in a !‑Ga2O3 Crystal
Description/Abstract:
Crystal structure of a γ-Ga2O3 layer grown epitaxially on an MgO substrate by a vapor phase transport method was investigated by transmis...
Keyword:
crystal structure
and
gamma-Ga2O3
Resource Type:
Article
Author:
Masanori Mitome
,
Shigemi Kohiki
,
Takuro Nagai
,
Keiji Kurashima
,
Koji Kimoto
, and
Yoshio Bando
Journal:
CRYSTAL GROWTH & DESIGN
Date Uploaded:
05/03/2024
Element discrimination in a hexagonal boron nitride nanosheet by aberration corrected transmission electron microscopy
Description/Abstract:
Boron nitride nanosheets prepared by an exfoliation technique were observed by aberration corrected transmission electron microscopy at ...
Keyword:
Aberration corrector
,
Boron nitride
,
High resolution
, and
Nanosheet
Resource Type:
Article
Author:
Masanori Mitome
,
Hidetaka Sawada
,
Yukihito Kondo
,
Yasumasa Tanishiro
, and
Kunio Takayanagi
Journal:
ULTRAMICROSCOPY
Date Uploaded:
04/03/2024
Ionic Liquid Interface as a Cell Scaffold
Description/Abstract:
In sharp contrast to conventional solid/hydrogel platforms, water-immiscible liquids, such as perfluorocarbons and silicones, allow the a...
Keyword:
cell culture
,
gels
,
ionic liquid
,
liquid interface
,
mechanobiology
,
phosphonium
, and
stem cell
Resource Type:
Article
Author:
Takeshi Ueki
,
Koichiro Uto
,
Shota Yamamoto
,
Ryota Tamate
,
Yuji Kamiyama
,
Xiaofang Jia
,
Hidenori Noguchi
,
Kosuke Minami
,
Katsuhiko Ariga
,
Hongxin Wang
, and
Jun Nakanishi
Journal:
Advanced Materials
Date Uploaded:
04/03/2024
Ultrathin specimen preparation by a low energy Ar ion milling method
Description/Abstract:
An ultra low energy ion milling method was used to prepare ultrathin specimen for transmission electron microscope observation. The sampl...
Keyword:
(Zn, Cr) Te
,
Ar-ion milling
,
gamma-Ga2O3
,
low-energy ion beam
,
sample preparation
, and
ultrathin specimen
Resource Type:
Article
Author:
Masanori Mitome
Journal:
MICROSCOPY (JOURNAL OF ELECTRON MICROSCOPY)
Date Uploaded:
04/03/2024
An efficient cathode electrocatalyst for anion exchange membrane water electrolyzer
Description/Abstract:
A high performance and durable electrocatalyst for the cathodic hydrogen evolution reaction (HER) in anion exchange membrane (AEM) water ...
Keyword:
Anion exchange membrane water electrolyzer
,
Density functional theory
,
Hierarchical MoS2
,
In-situ Raman analysis
, and
Pt–C core-shell
Resource Type:
Article
Author:
Shanmugam Ramakrishnan
,
Subramanian Vijayapradeep
,
Selva Chandrasekaran Selvaraj
,
Jian Huang
,
S.C. Karthikeyan
,
Rambabu Gutru
,
Natarajan Logeshwaran
,
Tsuyoshi Miyazaki
,
Mohamed Mamlouk
, and
Dong Jin Yoo
Journal:
Carbon
Date Uploaded:
04/03/2024
Latent ion tracks were finally observed in diamond
Description/Abstract:
Injecting high-energy heavy ions in the electronic stopping regime into solids can create cylindrical damage zones calledlatention tracks...
Keyword:
C60 ion
,
diamond
,
ion track
,
transmission electron microscopy
, and
velocity effect
Resource Type:
Article
Author:
H. Amekura
,
A. Chettah
,
K. Narumi
,
A. Chiba
,
Y. Hirano
,
K. Yamada
,
S. Yamamoto
,
A. A. Leino
,
F. Djurabekova
,
K. Nordlund
,
N. Ishikawa
,
N. Okubo
, and
Y. Saitoh
Journal:
Nature Communications
Date Uploaded:
04/03/2024
Different Local Structures of Mo and Nb Polyhedra in the Oxide-Ion-Conducting Hexagonal Perovskite-Related Oxide Ba<sub>3</sub>MoNbO<sub>8.5</sub> Revealed by <sup>95</sup>Mo and <sup>93</sup>Nb NMR Measurements
Description/Abstract:
The oxide-ion conductor Ba3MoNbO8.5, the oxide-ion and proton conductor Ba7Nb4MoO20, and their hexagonal perovskite-related oxides are im...
Keyword:
Fuel Cell
,
Gas Sensor
, and
Oxygen Separation
Resource Type:
Article
Author:
Masataka Tansho
,
Atsushi Goto
,
Shinobu Ohki
,
Yuuki Mogami
,
Yuichi Sakuda
,
Yuta Yasui
,
Taito Murakami
,
Kotaro Fujii
,
Takahiro Iijima
, and
Masatomo Yashima
Journal:
The Journal of Physical Chemistry C
Date Uploaded:
04/03/2024
Date Modified:
05/03/2024
高速重イオン衝突による 固体中に埋め込まれた金属ナノ粒子の楕円化変形(後編)
Description/Abstract:
前編では,固体中に埋め込まれた金属ナノ粒子が十数MeV以上の高速重イオン照射により,楕円形さらにナノロッドに変形する現象について紹介した.そして“変形が起こる/起こらない”の条件が,真空中のナノ粒子モデルや電子励起(非弾性)熱スパイク(i-TS)モデルを用いて,ナノ粒子の融...
Keyword:
metal nanoparticle
,
shape elongation
, and
swift heavy ion
Resource Type:
Article
Author:
雨倉 宏
Journal:
しょうとつ
Date Uploaded:
04/03/2024
高速重イオン衝突による 固体中に埋め込まれた金属ナノ粒子の楕円化変形(前編)
Description/Abstract:
シリカガラスなどの固体中に埋め込まれて形成された金属ナノ粒子に対してエネルギー十数MeV以上の高エネルギー重イオン(高速重イオン)を照射すると,照射前はほぼ球形だったナノ粒子がイオンビームと同方向に伸び,葉巻型の回転楕円体(prolate spheroid)のような形に変形...
Keyword:
metal nanoparticle
,
shape elongation
, and
swift heavy ion
Resource Type:
Article
Author:
雨倉 宏
Journal:
しょうとつ
Date Uploaded:
04/03/2024
Transport of intensity equation method and its applications
Description/Abstract:
A phase retrieval technique based on a transport of intensity equation (TIE) is one of the defocus series reconstruction techniques in mi...
Keyword:
boundary conditions
,
phase retrieval
,
quantitative measurements
, and
transport of intensity equation
Resource Type:
Article
Author:
Masanori Mitome
Journal:
Microscopy
Date Uploaded:
04/03/2024
Lateral Heterometal Junction Rectifier Fabricated by Sequential Transmetallation of Coordination Nanosheet
Description/Abstract:
Heterostructures of two-dimensional materials realise novel and enhanced physical phenomena, making them attractive research targets. Com...
Keyword:
Coordination Nanosheet
,
Lateral Heterojunction
, and
Transmetallation
Resource Type:
Article
Author:
Choon Meng Tan
,
Naoya Fukui
,
Kenji Takada
,
Hiroaki Maeda
,
Ekaterina Selezneva
,
Cédric Bourgès
,
Hiroyasu Masunaga
,
Sono Sasaki
,
Kazuhito Tsukagoshi
,
Takao Mori
,
Henning Sirringhaus
, and
Hiroshi Nishihara
Journal:
Angewandte Chemie International Edition
Date Uploaded:
01/03/2024
Deformation microstructures in shock-compressed single crystal and powdered rutile
Description/Abstract:
Shock recovery experiments were performed using a single-stage propellant on single crystals 14 and powdered rutile to investigate the he...
Keyword:
Defect structures
,
Deformation
,
Rutile
, and
Shock recovery experiments
Resource Type:
Article
Author:
Yuhei UMEDA
,
Yuma NAGAI
,
Naotaka TOMIOKA
,
Toshimori SEKINE
,
Masashi MIYAKAWA
,
Takamichi KOBAYASHI
,
Hitoshi YUSA
, and
Takuo OKUCHI
Journal:
Journal of Mineralogical and Petrological Sciences
Date Uploaded:
29/02/2024
Interaction of vascular endothelial cells with hydrophilic fullerene nanoarchitectured structures in 2D and 3D environments
Description/Abstract:
We detailed the preparation of hydrophilic self-assembled fullerenes by the liquid-liquid interfacial precipitation method and hydrophili...
Keyword:
Self-assembled fullerene
,
endothelial cell
,
nanotube
,
nanowhisker
,
self-healing hydrogel
, and
vascularization
Resource Type:
Article
Author:
Tsai-Yu Chen
,
Kun-Chih Cheng
,
Pei-Syuan Yang
,
Lok Kumar Shrestha
,
Katsuhiko Ariga
, and
Shan-Hui Hsu
Journal:
Science and Technology of Advanced Materials
Date Uploaded:
29/02/2024
Fine-tuning of plasmonics by Au@AuY/Au core-shell nanoparticle monolayer for enhancement of third-order nonlinearity
Description/Abstract:
A novel self-assembled Au@AuY-core/Au-shell nanoparticle (Au@AuY/Au NP) monolayer is proposed for the fine-tuning of plasmonics and enhan...
Keyword:
core-shell alloy nanostructure
,
localized surface plasmon resonance
,
plasmonics
,
sequential ion implantation
, and
third-order nonlinerity
Resource Type:
Article
Author:
Yong Liu
,
Chi Pang
,
Hiroshi Amekura
,
Thomas Schumann
,
Peng Liu
,
Zhixian Wei
,
Haocheng Liu
, and
Rang Li
Journal:
APPLIED SURFACE SCIENCE
Date Uploaded:
28/02/2024
The graphene-on-diamond structure with Ni-catalyzed under high temperature
Description/Abstract:
Graphene-on-diamond (GOD) composite structure has been attracting considerable attention due to the unique features for all carbon sp3-s...
Keyword:
diamond
Resource Type:
Article
Author:
Xiaolu Yuan
,
Jinlong Liu
,
Jiangwei Liu
,
Junjun Wei
,
Liangxian Chen
, and
Chengming Li
Journal:
Science talks
Date Uploaded:
27/02/2024
Layer-by-layer designer nanoarchitectonics for physical and chemical communications in functional materials
Description/Abstract:
This feature article explores the possibility of constructing advanced functional systems based on recent examples of layer-by-layer asse...
Keyword:
Communications
,
Functional materials
,
Interface
,
Layer-by-layer assembly
,
Nanoarchitectonics
, and
Thin films
Resource Type:
Article
Author:
Katsuhiko Ariga
,
Jingwen Song
, and
Kohsaku Kawakami
Journal:
Chemical Communications
Date Uploaded:
26/02/2024
Quantitative measurement of figure of merit for transverse thermoelectric conversion in Fe/Pt metallic multilayers
Description/Abstract:
This study presents a measurement method for determining the figure of merit for transverse thermoelectric conversion (zT) in thin film f...
Keyword:
anomalous Nernst effect
,
dimensionless figure of merit
,
spin caloritronics
, and
time-domain thermoreflectance
Resource Type:
Article
Author:
Takumi Yamazaki
,
Takamasa Hirai
,
Takashi Yagi
,
Yuichiro Yamashita
,
Ken-ichi Uchida
,
Takeshi Seki
, and
Koki Takanashi
Journal:
Physical Review Applied
Date Uploaded:
26/02/2024
Date Modified:
26/02/2024
2D Materials Nanoarchitectonics for 3D Structures/Functions
Description/Abstract:
According to these backgrounds, this review paper is organized as follows. Introduction is fol-lowed by a summary of the three issues; (i...
Keyword:
covalent organic framework
,
liquid crystal
,
living cell
,
metal–organic framework
,
nanoarchitectonics
,
surface
, and
two dimension
Resource Type:
Article
Author:
Katsuhiko Ariga
Journal:
Materials
Date Uploaded:
26/02/2024
Perspective on nanoscale magnetic sensors using giant anomalous Hall effect in topological magnetic materials for read head application in magnetic recording
Description/Abstract:
Recent advances in the study of materials with topological electronic band structures have revealed magnetic materials exhibiting giant a...
Keyword:
Weyl semimetal
,
anomalous Hall effect
,
magnetic recording
,
magnetic sensors
,
read head
, and
topological materials
Resource Type:
Article
Author:
Tomoya Nakatani
,
Prabhanjan D. Kulkarni
,
Hirofumi Suto
,
Keisuke Masuda
,
Hitoshi Iwasaki
, and
Yuya Sakuraba
Journal:
Applied Physics Letters
Date Uploaded:
26/02/2024
Confined Space Nanoarchitectonics for Dynamic Functions and Molecular Machines
Description/Abstract:
This review paper discusses the nanoarchitectonics of confined space, which is a field for controlling functional materials and molecular...
Keyword:
confined space
,
covalent organic framework
,
dynamic function
,
metal–organic framework
,
molecular machine
,
nanoarchitectonics
, and
surface
Resource Type:
Article
Author:
Katsuhiko Ariga
Journal:
Micromachines
Date Uploaded:
26/02/2024
Statistical approach based on the Stoner-Wohlfarth model for the switching field in a misoriented magnet array
Description/Abstract:
Stoner‒Wohlfarth model (S‒W model) is used to explain the relationship between the external magnetic field and the magnetization reversal...
Keyword:
FePt granular film
and
Magnetizaition switching
Resource Type:
Article
Author:
Donghyeon Lee
,
Jungmin Park
,
Donghyeon Han
,
Suzuki Ippei
,
Takahashi Yukiko
,
Sujung Noh
,
Jisung Lee
,
JoonHyun Kwon
,
Hansaem Lee
, and
Sanghoon Kim
Journal:
Physical Review Applied
Date Uploaded:
21/02/2024
Unsupervised machine learning combined with 4D scanning transmission electron microscopy for bimodal nanostructural analysis
Description/Abstract:
Unsupervised machine learning techniques have been combined with scanning transmission electron microscopy (STEM) to enable comprehensive...
Keyword:
4D-STEM
,
Hierachical Clustering
,
Metallic Glass
,
Non-negative Matrix Factorization
,
Scanning Transmission Electron Microscopy
, and
Unsupervised Machine Learning
Resource Type:
Article
Author:
Koji Kimoto
,
Jun Kikkawa
,
Koji Harano
,
Ovidiu Cretu
,
Yuki Shibazaki
, and
Fumihiko Uesugi
Journal:
Scientific Reports
Date Uploaded:
15/02/2024
オペランド水素顕微鏡による水素透過の可視化
Description/Abstract:
オペランド水素顕微鏡の開発とそれを用いた金属材料を透過する水素の可視化について、トピックスとして解説を書くよう依頼された。ステンレスの水素透過、局所透過の画像から、結晶粒ごとの水素の拡散係数と透過フラックスの算出、その結果から推測される構造とその中の水素の拡散モデルの提案に...
Keyword:
diffusion model
,
hydrogen permeation
,
hydrogen visualization
, and
stainless steel
Resource Type:
Article
Author:
板倉 明子
and
宮内 直弥
Journal:
金属
Date Uploaded:
14/02/2024
Near-interface electronic and magnetic states of insulator/Co2MnSi structures probed by hard x-ray photoemission combined with x-ray total reflection
Description/Abstract:
Depth-dependent electronic and magnetic states of AlOx and MgO capped Co2MnSi thin films were measured by using hard X-ray photoemission ...
Keyword:
HAXPES
,
SX-ARPES
,
X-ray total reflection
,
insulator/Co2MnSi heterostructures
, and
interface and bulk electronic and magnetic states
Resource Type:
Article
Author:
Shigenori Ueda
,
Yuichi Fujita
, and
Yuya Sakuraba
Journal:
PHYSICAL REVIEW B
Date Uploaded:
13/02/2024
Initial stage of InSb heteroepitaxial growth on GaAs (111)A: effect of thin InAs interlayers
Description/Abstract:
Molecular-beam epitaxy of InSb on the (111)A-oriented GaAs substrates has been studied using electron diffraction, x-ray diffraction, and...
Keyword:
GaAs
,
InAs
,
InSb
,
Metamorphic
, and
Molecular beam epitaxy
Resource Type:
Article
Author:
Akihiro Ohtake
and
Takaaki Mano
Journal:
Japanese Journal of Applied Physics
and
JAPANESE JOURNAL OF APPLIED PHYSICS
Date Uploaded:
13/02/2024
Formation of electron traps in semiconducting polymers via a slow triple-encounter between trap precursor particles
Description/Abstract:
Already in 2012, Blom et al. reported (Nature Materials 2012, 11, 882) in semiconductingpolymers on a general electron-trap density of ≈ ...
Keyword:
Polymer light-emitting diodes
,
charge trap dynamics
,
device physics
,
electron trap
, and
semiconducting polymer
Resource Type:
Article
Author:
Mohammad Sedghi
,
Camilla Vael
,
Wei-Hsu Hu
,
Michael Bauer
,
Daniele Padula
,
Alessandro Landi
,
Mirko Lukovic
,
Matthias Diethelm
,
Gert-Jan Wetzelaer
,
Paul W. M. Blom
,
Frank Nüesch
, and
Roland Hany
Journal:
Science and Technology of Advanced Materials
Date Uploaded:
07/02/2024
緊急地震速報を利用した走査型トンネル顕微鏡実験中の地震対策
Description/Abstract:
Frequent earthquakes in Japan can be problematic for vibration-sensitive measurements. For example, in scanning tunneling microscope (STM...
Keyword:
Earthquake
,
Earthquake early warning
,
Scanning tunneling microscope
, and
Spectroscopic imaging
Resource Type:
Article
Author:
吉澤 俊介
Journal:
表面と真空
Date Uploaded:
07/02/2024
A membrane, pseudo-vertical p-i-n diamond detector
Description/Abstract:
We report on the membrane diamond detector, which consists of 5 μm-thick diamond p-i-n diodes and a dedicated front-end ASIC, fabricated ...
Keyword:
Diamond
,
Nuclear power plant
,
alpha particle
, and
gamma ray
Resource Type:
Article
Author:
Tetsuichi Kishishita
,
Kimiyoshi Ichikawa
,
Kazuya Tauchi
,
Masayoshi Shoji
,
Masayuki Hagiwara
,
Satoshi Koizumi
, and
Manobu M. Tanaka
Journal:
JOURNAL OF NUCLEAR SCIENCE AND TECHNOLOGY
and
Journal of Nuclear Science and Technology
Date Uploaded:
07/02/2024
Emerging trends in research and development on earth abundant materials for ammonia degradation coupled with H2 generation
Description/Abstract:
Ammonia, as an essential and economical fuel, is a key intermediate for the production of innumerable nitrogen-based compounds. Such comp...
Keyword:
Ammonia decomposition reaction (ADR)
,
Green fuel
,
Nitrogen reduction reaction (NRR)
,
catalytic oxidation
, and
non-noble metal
Resource Type:
Article
Author:
Zakiullah Zaidi
,
Kamlesha
,
Yesleen Gupta
,
Sandeep Singhai
,
Manish Mudgal
, and
Archana Singh
Journal:
Science and Technology of Advanced Materials
Date Uploaded:
07/02/2024
Visualization of Alternating Triangular Domains of Charge Density Waves in 2H-NbSe2 by Scanning Tunneling Microscopy
Description/Abstract:
The charge density wave (CDW) state of 2H-NbSe2 features commensurate domains separated by domain boundaries accompanied by phase slips k...
Keyword:
Charge density waves
,
Scanning tunneling microscopy
, and
Transition metal dichalcogenides
Resource Type:
Article
Author:
Shunsuke Yoshizawa
,
Keisuke Sagisaka
, and
Hideaki Sakata
Journal:
Physical Review Letters
Date Uploaded:
31/01/2024
Transport evidence for twin-boundary pinning of superconducting vortices in FeSe
Description/Abstract:
We provide bulk transport evidence for twin-boundary pinning of vortices in FeSe. We measure interlayer resistance in FeSe in magnetic fi...
Keyword:
FeSe
,
iron-based superconductor
,
twin boundary
, and
vortex pinning
Resource Type:
Article
Author:
Taichi Terashima
,
Hideaki Fujii
,
Yoshitaka Matsushita
,
Shinya Uji
,
Yuji Matsuda
,
Takasada Shibauchi
, and
Shigeru Kasahara
Journal:
Physical Review B
Date Uploaded:
31/01/2024
Date Modified:
31/01/2024
Phonon Lifetime Observation in Epitaxial ScN Film with Inelastic X-Ray Scattering Spectroscopy
Description/Abstract:
Phonon-phonon scattering dominates the thermal properties in nonmetallic materials, and it directly influences device performance in appl...
Keyword:
ScN
and
phonon
Resource Type:
Article
Author:
H. Uchiyama
,
Y. Oshima
,
R. Patterson
,
S. Iwamoto
,
J. Shiomi
, and
K. Shimamura
Journal:
PHYSICAL REVIEW LETTERS
Date Uploaded:
31/01/2024
Epitaxial lateral overgrowth of r-plane α-Ga2O3 with stripe masks along <-12-10>
Description/Abstract:
We demonstrated the epitaxial lateral overgrowth of (-1012) (r-plane) α-Ga2O3 using striped mask pattern along <-12-10>. α-Ga2O3 st...
Keyword:
ELO
,
HVPE
,
dislocation
, and
α-Ga2O3
Resource Type:
Article
Author:
Yuichi Oshima
,
Shingo Yagyu
, and
Takashi Shinohe
Journal:
JOURNAL OF APPLIED PHYSICS
Date Uploaded:
30/01/2024
Date Modified:
01/02/2024
Epitaxial growth of phase-pure e-Ga2O3 by halide vapor phase epitaxy
Description/Abstract:
The halide vapor phase epitaxy of e-Ga2O3 is demonstrated for the first time. The e-Ga2O3 films are grown on GaN (0001), AlN (0001), and ...
Keyword:
HVPE
,
ε-Ga2O3
, and
κ-Ga2O3
Resource Type:
Article
Author:
Yuichi Oshima
,
Encarnación G. Víllora
,
Yoshitaka Matsushita
,
Satoshi Yamamoto
, and
Kiyoshi Shimamura
Journal:
JOURNAL OF APPLIED PHYSICS
Date Uploaded:
30/01/2024
Date Modified:
01/02/2024
Hydride Vapor Phase Epitaxy and characterization of High-Quality ScN epilayers
Description/Abstract:
ScClxとNH3との反応によるHVPEでScNを育成した。成長速度は、原料分圧の増大に伴って最初は増加するが、やがて減少に転じ、最大成長速度は5um/h程度であった。基板は種々試みたが、サファイア(10-12)と(10-10)を用いたときに単一配向のScN(100)および...
Keyword:
HVPE
and
ScN
Resource Type:
Article
Author:
Yuichi Oshima
,
Encarnación G. Víllora
, and
Kiyoshi Shimamura
Journal:
JOURNAL OF APPLIED PHYSICS
Date Uploaded:
30/01/2024
Date Modified:
01/02/2024
Rutile-type GexSn1−xO2 alloy layers lattice-matched to TiO2 substrates for device applications
Description/Abstract:
We report the characterization and application of mist-CVD-grown rutile-structured GexSn1−xO2 (x = ∼0.53) films lattice-matched to isostr...
Keyword:
GeO2
,
SnO2
, and
TiO2
Resource Type:
Article
Author:
Hitoshi Takane
,
Takayoshi Oshima
,
Takayuki Harada
,
Kentaro Kaneko
, and
Katsuhisa Tanaka
Journal:
Applied Physics Express
Date Uploaded:
30/01/2024
Date Modified:
01/02/2024
X線・中性子小角散乱法及び3次元アトムプローブ法による Cu-Ni-Si合金中のδNi2Si析出相の解析
Description/Abstract:
The strength of Cu-Ni-Si alloy can be improved by finely dispersing a Ni-Si-based compound as a precipitate into the Cu parent phase by h...
Keyword:
Corson alloy
,
atom probe tomography
, and
transmission electron microscopy
Resource Type:
Article
Author:
佐々木 宏和
,
秋谷 俊太
,
三原 邦照
,
大場 洋次郎
,
大沼 正人
,
埋橋 淳
, and
大久保 忠勝
Journal:
Journal of Japan Institute of Copper
Date Uploaded:
30/01/2024
Epitaxial lateral overgrowth of α-Ga2O3 by halide vapor phase epitaxy
Description/Abstract:
We demonstrated epitaxial lateral overgrowth of a-Ga2O3 by halide vapor phase epitaxy. We formed stripe patterned or triangular lattice d...
Keyword:
ELO
,
HVPE
,
dislocation
, and
α-Ga2O3
Resource Type:
Article
Author:
Y. Oshima
,
K. Kawara
,
T. Shinohe
,
T. Hitora
,
M. Kasu
, and
S. Fujita
Journal:
APL MATERIALS
Date Uploaded:
29/01/2024
Date Modified:
01/02/2024
Progress and challenges in the development of ultra-wide bandgap semiconductor α-Ga2O3 toward realizing power device applications
Description/Abstract:
パワー、およびUV応用を指向したα型酸化ガリウムの関連技術の現状と技術課題を俯瞰し、今後の展望を述べる。
Keyword:
epitaxy
,
power device
, and
α-Ga2O3
Resource Type:
Article
Author:
Yuichi Oshima
and
Elaheh Ahmadi
Journal:
APPLIED PHYSICS LETTERS
Date Uploaded:
29/01/2024
Date Modified:
01/02/2024
Materials issues and devices of α- and β-Ga2O3
Description/Abstract:
パワーデバイスに向けたα- および β- Ga2O3の材料およびデバイス開発の最新状況を概観する。
Keyword:
Ga2O3
,
epitaxy
, and
power device
Resource Type:
Article
Author:
Elaheh Ahmadi
and
Yuichi Oshima
Journal:
JOURNAL OF APPLIED PHYSICS
Date Uploaded:
29/01/2024
Date Modified:
01/02/2024
Permanent-magnet-based transverse thermoelectric generator with high fill factor driven by anomalous Nernst effect
Description/Abstract:
A transverse thermoelectric generator for magnetic-field-free and high-density power generation utilizing the anomalous Nernst effect is ...
Keyword:
Energy harvesting
,
Infrared imaging
,
Magnetic materials
,
Thermoelectric effects
, and
Thermoelectric generator
Resource Type:
Article
Author:
Fuyuki Ando
,
Takamasa Hirai
, and
Ken-ichi Uchida
Journal:
APL Energy
Date Uploaded:
26/01/2024
Anomalous Hall effect in the magnetic Weyl semimetal NdAlGe with plateaus observed at low temperatures
Description/Abstract:
In the RAl(Si,Ge) (R: lanthanides) family, both spatial inversion and time-reversal symmetries are broken. This may offer opportunities t...
Keyword:
Anomalous Hall effect, Topological material
Resource Type:
Article
Author:
Naoki Kikugawa
,
Shinya Uji
, and
Taichi Terashima
Journal:
PHYSICAL REVIEW B
Date Uploaded:
26/01/2024
Bulk Physical Properties of a Magnetic Weyl Semimetal Candidate NdAlGe Grown by a Laser Floating-Zone Method
Description/Abstract:
We report the successful growth of single crystals of a magnetic Weyl semimetal candidate NdAlGe with the space group I41md. The crystals...
Keyword:
NdAlGe
,
bulk physical properties
,
crystal growth
,
laser floating-zone technique
, and
magnetic Weyl semimetal
Resource Type:
Article
Author:
Naoki Kikugawa
,
Taichi Terashima
,
Takashi Kato
,
Momoko Hayashi
,
Hitoshi Yamaguchi
, and
Shinya Uji
Journal:
Inorganics
Date Uploaded:
26/01/2024
Single-Crystal Growth of a Cubic Laves-Phase Ferromagnet HoAl2 by a Laser Floating-Zone Method
Description/Abstract:
The successful growth of single crystals of a cubic Laves-phase material HoAl2 with the space group Fd-3m is reported. The crystals were ...
Keyword:
HoAl2
,
bulk physical properties
,
crystal growth
,
laser floating-zone technique
, and
magnetocaloric effect
Resource Type:
Article
Author:
Naoki Kikugawa
,
Takashi Kato
,
Momoko Hayashi
, and
Hitoshi Yamaguchi
Journal:
Crystals
Date Uploaded:
26/01/2024
Mechanical Properties of Ultra-Thin Nb3Sn Composite Wires
Description/Abstract:
Mechanical properties of such ultra-thin Nb3Sn wires were evaluated to determine the cabling parameters and mechanical analysis of twiste...
Keyword:
fracture strength
,
Nb3Sn
,
Young’s modulus
, and
tensile test
Resource Type:
Article
Author:
Michinaka Sugano
,
Akihiro Kikuchi
,
Hitoshi Kitaguchi
,
Gen Nishijima
, and
Tsuyoshi Yagai
Journal:
IEEE TRANSACTIONS ON APPLIED SUPERCONDUCTIVITY
Date Uploaded:
25/01/2024
Date Modified:
30/01/2024
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HfO2
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InP/GaInAsP multilayer specimens
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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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TODOROKI, Shin-ichi
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轟 眞市
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INOUE, Satoru
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田邉 浩介
2
MATSUMOTO, T.
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International Center for Materials Nanoarchitectonics (WPI-MANA)
95
Ikumu Watanabe
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Tanuma, Shigeo
18
Kosuke Minami
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Yuichi Oshima
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MOTEKI, Fuma
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Japan Science and Technology Agency
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Physical Review B
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Journal of Surface Analysis
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Science and Technology of Advanced Materials
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Scientific Reports
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Surface and Interface Analysis
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