Yoshitaka Taniyasu | NTT R&D Website
Awards JSAP Prize (2019) International Workshop on Nitride Semiconductors (IWN) Best Paper Award (2012
https://www.rd.ntt/e/organization/researcher/superior/s_030.html
High-Temperature Operation of Nitride-Based HBTs
Kazuhide Kumakura and Toshiki Makimoto Materials Science Laboratory Nitride-based semiconductors are
https://www.rd.ntt/e/brl/result/activities/file/report05/report05.html
no_3_en.pdf
monolayer steps. We have successfully fabricated step-free surfaces of nitride semiconductors for the first
https://www.rd.ntt/brl/event/splaza2009/poster/EN/no_3_en.pdf
Nitride Heterojunction Bipolar Transistor with Regrown Base Layer
communications between the base stations for cellular phones. Compared with Si and GaAs, nitride semiconductors
https://www.rd.ntt/e/brl/result/activities/file/report02/E/report14.html
Aluminum Nitride Light-Emitting Diodes with the Shortest Wavelength
Aluminum Nitride Light-Emitting Diodes with the Shortest Wavelength LED structure Top view of LED
https://www.rd.ntt/e/brl/result/activities/file/report06/k01.html
List of Invited Talks at International Conferences (2012)
on step-free GaN surface", International Workshop on Nitride semiconductors, Sapporo, Japan (Oct
https://www.rd.ntt/e/brl/result/activities/file/report12/data06e.html
国際会議招待講演一覧(2012年)
", International Workshop on Nitride semiconductors, Sapporo, Japan (Oct. 2012). (9) T. Akasaka, Y. Kobayashi, C. H
https://www.rd.ntt/brl/result/activities/file/report12/data06.html
谷保 芳孝 | NTT R&D Website
International Workshop on Nitride Semiconductors (IWN) Best Paper Award 2011年 The International Symposium on
https://www.rd.ntt/organization/researcher/superior/s_030.html
Member - NTT Basic Research Laboratories
Taniyasu Aluminum Nitride (AlN) taniyasu.yoshitaka Koji Onomitsu III-V semiconductors Onomitsu.koji
https://www.rd.ntt/brl/group_introduction/shitsumaku-g/list1.html
Overview of Quantum Optics and Optical Materials Research
structure in nitride semiconductors). Major results obtained this fiscal year 1999 are reported in the
https://www.rd.ntt/e/brl/result/activities/file/report99/E/qp/qp_overview.htm
Step-free GaN Surfaces Fabricated by Selective-area Metalorganic Vapor Phase Epitaxy
technique can control the hetero-interfaces of nitride semiconductors in an atomic scale and realize high
https://www.rd.ntt/e/brl/result/activities/file/report09/k01.html
Aluminum Nitride Light-Emitting Diodes with the Shortest Wavelength
Aluminum Nitride Light-Emitting Diodes with the Shortest Wavelength Aluminum Nitride Light
https://www.rd.ntt/e/brl/result/activities/file/report06/report02.html
Layered Boron Nitride as a Release Layer for Mechanical Transfer of GaN-Based Devices
nitride semiconductors of sufficient quality is problematic. Several techniques have been investigated to
https://www.rd.ntt/e/brl/result/activities/file/report11/report02.html
GaN-Based Vertical Cavity Surface Emitting Lasers
microcavities, because the exciton oscillator strength and binding energy of III-nitride semiconductors are
https://www.rd.ntt/e/brl/result/activities/file/report03/E/report17.html
Welcome to Yoshitaka Taniyasu's Homepage
-nitride semiconductors by spectroscopic ellipsometry) 2001-2003 Research associate, NTT Basic research
https://www.rd.ntt/brl/people/taniyasu/
Distinguished Technical Members
microscopy (STM). His current interests are epitaxial growth of nitride semiconductors and nitride
https://www.rd.ntt/e/brl/result/activities/file/report00/E/member05_e.html
Step-free GaN films Grown by Selective-area Metalorganic Vapor Phase Epitaxy
Kasu Materials Science Laboratory Step-free surfaces of GaN-related nitride semiconductors have been
https://www.rd.ntt/e/brl/result/activities/file/report09/report04.html
5th NTT-BRL school at NTT Atsugi R&D Center
Devices using Group-III Nitride Semiconductors" --- Dr. Toshiki Makimoto Group-III nitrides, such as
https://www.rd.ntt/brl/event/brlschool2009/outline06.html
List of Invited Talks at International Conferences (2009)
: physics and device structure", SPIE Photonics West, San Jose, U.S.A. (Jan. 2009). (3) M. Kasu, "Nitride
https://www.rd.ntt/e/brl/result/activities/file/report09/data06.html
国際会議招待講演一覧(2009)
: physics and device structure", SPIE Photonics West, San Jose, U.S.A. (Jan. 2009). (3) M. Kasu, "Nitride
https://www.rd.ntt/brl/result/activities/file/report09/data06.html
Distinguished Technical Member
). His current interests are epitaxial growth of nitride semiconductors and nitride semiconductor devices
https://www.rd.ntt/e/brl/result/activities/file/report01/E/member05.html
Npn-type InGaN/GaN Nitride Heterojunction Bipolar Transistor (HBT)
Laboratory Wide-gap nitride semiconductors are promising materials for electronic devices that require high
https://www.rd.ntt/e/brl/result/activities/file/report01/E/report14.html
Overview of Quantum Physics and Electronics Research
and correlation effects in high-mobility semiconductors, carrier interactions in bilayer (electron
https://www.rd.ntt/e/brl/result/activities/file/report99/E/qe/qe_overview.htm
Anisotropic In-Plane Strains in Non-Polar Al1-xGaxN (11-20) Films (x<0.2)
nitride semiconductors, because of its high electrical and thermal conductivities and the smaller lattice
https://www.rd.ntt/e/brl/result/activities/file/report08/report04.html
News - NTT Basic Research Laboratories
2012.11.16, New Post-doctral: Ryan Banal 2012.10.19, International Workshop on Nitride Semiconductors
https://www.rd.ntt/brl/group_introduction/shitsumaku-g/index-J.html
Microsoft PowerPoint - SP2010Digest_ms_en_01.ppt [互換モード]
-emitting devices and realizing the deep-UV LEDs. Aluminum nitride (AlN) is a direct-bandgap semiconductor
https://www.rd.ntt/brl/group_introduction/shitsumaku-g/topics/taniyasu_e.pdf
Aiming to Become a Visible Researcher by Taking Up Challenges without Fear of Failure | NTT R&D Website
wide-bandgap semiconductors, such as silicon carbide (SiC) and gallium nitride (GaN), are being
https://www.rd.ntt/e/research/JN202306_22119.html
Nitride Heterojunction Bipolar Transistors for High-Power Applications
Physical Science Laboratory Compared with Si and GaAs, nitride semiconductors have high breakdown voltage
https://www.rd.ntt/e/brl/result/activities/file/report03/E/report14.html
Distinguished Researcher
-bandgap nitride semiconductors. He was a visiting researcher at Ecole polytechnique federale de Lausanne
https://www.rd.ntt/e/brl/result/activities/file/report13/member07E.html
Distinguished Technical Member
). His current interests are epitaxial growth of nitride semiconductors and nitride semiconductor devices
https://www.rd.ntt/e/brl/result/activities/file/report02/E/member05.html
国際会議招待講演一覧(2014年1月~2015年3月)
on Growth of Nitride Semiconductors (IDGN-2), Sendai, Japan (Oct. 2014). (14) Y. Ueno and K. Furukawa
https://www.rd.ntt/brl/result/activities/file/report14/data10J.html
List of Invited Talks at International Conferences (Jan. 2014 - Mar. 2015)
on Growth of Nitride Semiconductors (IDGN-2), Sendai, Japan (Oct. 2014). (14) Y. Ueno and K. Furukawa
https://www.rd.ntt/e/brl/result/activities/file/report14/data09E.html
Emission Mechanism of AlN Deep-Ultraviolet Light-Emitting Diode
weak from the C-plane but strong from the A-plane for AlN. For nitride semiconductors, like AlN and GaN
https://www.rd.ntt/e/brl/result/activities/file/report10/report04.html
Distinguished Researchers
growth and device application of wide bandgap nitride semiconductors. He was a visiting researcher at
https://www.rd.ntt/e/brl/result/activities/file/report12/member08e.html
High Performance Nitride-Based Heterojunction Bipolar Transistors on GaN Substrates
Makimoto Materials Science Laboratory There are large mismatches between III-nitride semiconductors and
https://www.rd.ntt/e/brl/result/activities/file/report08/report03.html
Distinguished Technical Member
of nitride semiconductors and nitride semiconductor devices. He is an associate editor of Japan
https://www.rd.ntt/e/brl/result/activities/file/report03/E/member05.html
Distinguished Researchers
. Since then, he has been engaged in research on wide-bandgap nitride semiconductors. He was a visiting
https://www.rd.ntt/e/brl/result/activities/file/report14/member07E.html
国際会議招待講演一覧 (2003年度) III.量子電子物性関連
Nitride Heterojunction Bipolar Transistors”, 2003 Asia-Pacific Workshop on Fundamental and Application of
https://www.rd.ntt/brl/result/activities/file/report03/J/data14.html
List of Invited Talks at International Conferences (Fiscal 2003) III. Quantum Electron Physics
. Makimoto, K. Kumakura, and N. Kobayashi, “npn-Type Nitride Heterojunction Bipolar Transistors”, 2003 Asia
https://www.rd.ntt/e/brl/result/activities/file/report03/E/data14.html
Doping Control of AlInN/GaN Lattice-Matched Heterostructure
-nitride semiconductors, AlInN is the only ternary alloy that can be grown lattice-matched to GaN at an In
https://www.rd.ntt/e/brl/result/activities/file/report12/report04e.html
Overview of Quantum Optics and Optical Materials Research
). (2) Optical properties in nitride-semiconductors and their device applications (optical properties of
https://www.rd.ntt/e/brl/result/activities/file/report00/E/report15_e.html
Distinguished Researchers
research. His current interests are epitaxial growth and device application of nitride semiconductors
https://www.rd.ntt/e/brl/result/activities/file/report11/member06.html
no_2_en.pdf
.jp Aluminum nitride (AlN) is a direct-bandgap semiconductor with a bandgap energy of 6 eV, the
https://www.rd.ntt/brl/event/splaza2009/poster/EN/no_2_en.pdf
Thin-Film Materials Research Group | NTT Basic Research Laboratories | NTT R&D Website
diamond, as well as solar energy conversion devices using nitride semiconductors. Member Dr. Yoshitaka
https://www.rd.ntt/e/brl/group_introduction/group_001.html
Development of a groundbreaking process for release of GaN-based thin-film devices from substrates|NTT Basic Research Laboratories | NTT R&D Website
release of GaN-based thin-film devices from substrates, where an extremely thin layer of boron nitride (BN
https://www.rd.ntt/e/brl/latesttopics/2012/04/latest_topics_201204120100.html
Overview of Quantum Physics and Electronics Research
our p-InGaN layer is good enough and wide-bandgap nitride semiconductors show promise for high-power
https://www.rd.ntt/e/brl/result/activities/file/report01/E/report11.html
An InGaN-based horizontal cavity surface emitting laser diode
application to optoelectronic devices in the visible and UV ranges, because these semiconductors have wide and
https://www.rd.ntt/e/brl/result/activities/file/report04/report04.html
Overview of Quantum Physics and Electronics Research
conventional electronic and photonic device applications of nitride-based semiconductors, we demonstrated novel
https://www.rd.ntt/e/brl/result/activities/file/report00/E/report11_e.html
Graphene and 2D Materials
2D materials Oxide, nitride materials Members Publications Contact English | 日本語 Graphene and 2D
https://www.rd.ntt/brl/group_introduction/shitsuko-g/graphene.html
In-house Award Winner's List (Fiscal 2002)
Band Engineering of Nitride Semiconductors" Feb. 12,2003 Award for Achievements by Director of Basic
https://www.rd.ntt/e/brl/result/activities/file/report02/E/data05.html