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Takashi Sekiguchi
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Appearance of spectral dip in the cathodoluminescence spectrum of negatively charged nitrogen-vacancy centers in diamonds
Description/Abstract:
Negatively charged nitrogen-vacancy (NV-) centers in diamond produce a characteristic optical zero-phonon line (ZPL) at 637 nm. This emis...
Keyword:
Cathodoluminescence
,
Diamond
,
NV- centers
, and
Spectral dip
Resource Type:
Article
Author:
Jun Chen
,
Chikara Shinei
,
Junichi Inoue
,
Hiroshi Abe
,
Takeshi Ohshima
,
Takashi Sekiguchi
, and
Tokuyuki Teraji
Journal:
DIAMOND AND RELATED MATERIALS
Date Uploaded:
05/09/2024
Effect of sequential N ion implantation in the formation of a shallow Mg-implanted p-type GaN layer
Description/Abstract:
An area selectable Mg doping via ion implantation (I/I) is essential to realize gallium nitride (GaN) based power switching devices. Conv...
Keyword:
atom probe tomography
,
cathodoluminescence
,
gallium nitride
, and
transmission electron microscopy
Resource Type:
Article
Author:
Jun Uzuhashi
,
Jun Chen
,
Ryo Tanaka
,
Shinya Takashima
,
Masaharu Edo
,
Tadakatsu Ohkubo
, and
Takashi Sekiguchi
Journal:
JOURNAL OF APPLIED PHYSICS
Date Uploaded:
02/08/2024
Atomic-scale investigation of implanted Mg in GaN through ultra-high-pressure annealing
Description/Abstract:
An area selective doping via ion implantation is a key technology to realize gallium nitride (GaN) based energy-efficient power devices; ...
Keyword:
atom probe tomography
,
cathodoluminescence
,
gallium nitride
,
implantation
, and
scanning transmission electron microscopy
Resource Type:
Article
Author:
Jun Uzuhashi
,
Jun Chen
,
Ashutosh Kumar
,
Wei Yi
,
Tadakatsu Ohkubo
,
Ryo Tanaka
,
Shinya Takashima
,
Masaharu Edo
,
Kacper Sierakowski
,
Michal Bockowski
,
Hideki Sakurai
,
Tetsu Kachi
,
Takashi Sekiguchi
, and
Kazuhiro Hono
Journal:
JOURNAL OF APPLIED PHYSICS
Date Uploaded:
04/07/2023
Characterization and properties of green-emitting beta-SiAlON : Eu2+ powder phosphors for white light-emitting diodes
Description/Abstract:
This letter reports a b-SiAlON:Eu2+ green phosphor with the composition of Eu0.00296Si0.41395Al0.01334O0.0044N0.56528. The phosphor powde...
Keyword:
LEDs
,
luminescence
,
oxynitride
, and
phosphor
Resource Type:
Article
Author:
Naoto Hirosaki
,
Rong-Jun Xie
,
Koji Kimoto
,
Takashi Sekiguchi
,
Yoshinobu Yamamoto
,
Takayuki Suehiro
, and
Mamoru Mitomo
Date Uploaded:
28/04/2023
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4
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atom probe tomography
2
cathodoluminescence
2
gallium nitride
2
Cathodoluminescence
1
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English
4
Publisher
American Institute of Physics
2
AIP Publishing
1
Elsevier BV
1
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4
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4
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In Copyright
3
Creative Commons BY Attribution 4.0 International
1
Author
Takashi Sekiguchi
[remove]
4
Jun Chen
3
Jun Uzuhashi
2
Masaharu Edo
2
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Government of Japan Ministry of Education Culture Sports Science and Technology
1
Japan Science and Technology Agency
1
Japan Society for the Promotion of Science
1
Ministry of Internal Affairs and Communications
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Journal
JOURNAL OF APPLIED PHYSICS
2
DIAMOND AND RELATED MATERIALS
1