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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
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
Improvement of magnetic field detectivity in electrical 1/f noise-dominated tunnel magnetoresistive sensors by AC magnetic field modulation technique
Description/Abstract:
Suppression of 1/f noise in tunnel magnetoresistance (TMR) sensors is a central issue in the realization of magnetic field sensors with u...
Keyword:
1/f noise
,
magnetic sensor
,
noise
, and
tunnel magnetoresistance
Resource Type:
Article
Author:
Tomoya Nakatani
,
Hirofumi Suto
,
Prabhanjan D. Kulkarni
,
Hitoshi Iwasaki
, and
Yuya Sakuraba
Journal:
JOURNAL OF APPLIED PHYSICS
Date Uploaded:
23/01/2024
Date Modified:
16/02/2024
Gate-modulated reflectance spectroscopy for detecting excitonic states in two-dimensional semiconductors
Description/Abstract:
We have developed a microspectroscopy technique for measuring gate-modulated reflectance to probe excitonic states in two-dimensional tra...
Keyword:
2D materials
,
excitons
, and
modulation spectroscopy
Resource Type:
Article
Author:
Mengsong Xue
,
Kenji Watanabe
,
Takashi Taniguchi
, and
Ryo Kitaura
Journal:
APPLIED PHYSICS LETTERS
Date Uploaded:
12/01/2024
Date Modified:
15/01/2024
Large voltage-controlled magnetic anisotropy effect in magnetic tunnel junctions prepared by deposition at cryogenic temperatures
Description/Abstract:
We investigated the influence of the buffer material and a cryogenic temperature deposition process on the voltage-controlled magnetic an...
Keyword:
Spintronics
Resource Type:
Article
Author:
Takayuki Nozaki
,
Tomohiro Ichinose
,
Jun Uzuhashi
,
Tatsuya Yamamoto
,
Makoto Konoto
,
Kay Yakushiji
,
Tadakatsu Ohkubo
, and
Shinji Yuasa
Journal:
APL Materials
Date Uploaded:
10/01/2024
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
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31
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HVPE
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gallium nitride
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31
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31
Rights Statement Sim
Creative Commons BY Attribution 4.0 International
16
In Copyright
14
Material/Specimen
nitrides
1
Date
2018
2
Author
Tadakatsu Ohkubo
5
Yuichi Oshima
5
Jun Uzuhashi
4
Ken-ichi Uchida
4
Ashutosh Kumar
2
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4
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Ministry of Education, Culture, Sports, Science and Technology
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JOURNAL OF APPLIED PHYSICS
10
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4
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4
The Journal of Chemical Physics
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