News Topics
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2026.09.24
event
Announcement of Research Center for Electronic and Optical Materials Seminar
We are pleased to announce the upcoming seminar as detailed below. We warmly invite you to join us.
TitleQuantifying the oxygen vacancies and charge injection in ferroelectric hafnia-based devices
SpeakerProf. Nicholas BARRETT
Research director CEA and LENSIS group leader at SPEC CEA Saclay, FranceDate2026.10.5
Time11:15~12:00
VenueThe Large Seminar Room, 4F, Collaboｚrative research building, Namiki-site
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2026.09.18
recruit
Office staf
Call for Office staff to be involved in all aspects of administrative support related to research and development with enthusiasm. -
2026.09.15
recruit
Postdoctoral Researcher
Call for Postdoctoral Researcher to be involved in fundamental research on the physical properties of quantum materials for quantum sensing applications, such as NV centers formed within diamonds, with enthusiasm. -
2026.09.14
papers
A new paper on Clarifying the influence of the boron doping profile on the electrical characteristics of diamond MOSFETs has been published by LIU, Jiangwei,TERAJI, Tokuyuki et al.
Semiconductor Defect Design Group
TitleImpact of doping profile on electrical performance of boron-doped diamond metal-oxide-semiconductor field-effect transistors
AuthorLiu, J; Teraji, T
Biblio. Info.JOURNAL OF APPLIED PHYSICS, 140(2), 24504-1-24504-8, (2026)
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2026.09.11
papers
A new paper on Gd1.02Ca1.98Al3−yGaySn1.98O12:0.02Cr3+ garnet phosphors designed and fabricated, which showed efficient broadband NIR emission (λem ∼782 nm, FWHM ∼138 nm), outstanding thermal stability (I423K ∼84.3%), and good internal/external quantum efficiencies (IQE ∼80.3%, EQE ∼24.2%), has been published by LI, Jiguang / Polycrystalline Optical Material Group et al.
TitleThermodynamic Stabilization and Cr3+Luminescence Tuning in Gd3Al5O12 Garnet Phosphor via Multi-Cation Incorporation
AuthorQinghong Meng; Jiaming Yuan; Zhijun Xu; Xiangming Li; Wanjun Yu; Rong Feng; Xintao Zhang; Ji-Guang Li
Biblio. Info.JOURNAL OF THE AMERICAN CERAMIC SOCIETY, 109(6), e70938-1-e70938-10, (2026)
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2026.09.11
papers
A new paper on ultra-broadband NIR emission achieved in Ca2YMgScSi3O12:Cr3+ garnet phosphors, with the emission centered at 920 nm and the full width at half maximum (FWHM) as large as 305 nm, has been published by LI, Jiguang / Polycrystalline Optical Material Group et al.
TitleUltrabroadband near-infrared emission in Cr3+-doped garnet phosphors via structural engineering: achieving and applications
AuthorXinyu Li; Qian Zhang; Qiushi Wang; Xuejiao Wang; Ji-Guang Li
Biblio. Info.CERAMICS INTERNATIONAL, 52(14), 25652-25660, (2026)
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2026.09.09
papers
A new paper on transparent Er:(Y,La)2O3 ceramics as a novel mid-infrared laser medium, and the effect of La concentration for optical properties has been published by FURUSE, Hiroaki / Research Center for Electronic and Optical Materials,SUZUKI, Tohru / Optical Ceramics Group et al.
TitleTransparent Er:(Y,La)2O3 Ceramics With High La3+Concentration for Mid-Infrared Laser Applications
AuthorXu, ZH; Furuse, H; Miyoshi, S; Suzuki, TS
Biblio. Info.JOURNAL OF THE AMERICAN CERAMIC SOCIETY, 109(7), e71031-1-e71031-11, (2026)
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2026.09.07
papers
A new paper on the demonstration of stable electrical contact by a novel mechanically compliant non-destructive soft probe with several concrete case studies has been published by YOSHITAKE, Michiko / Nano Electronics Device Materials Group et al.
TitleSoft Probe Electrical Contact: Eliminating Electrode Deposition and Enabling Reliable Measurements of Emerging Materials
AuthorYoshitake, M; Kinoshita, K; Matsuo, H; Sakai, S; Li, ST
Biblio. Info.MATERIALS, 19(13), 2738-1-2738-15, (2026)
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2026.09.07
papers
A new paper on the elucidation of localized stress inhomogeneity as the primary cause of spin dephasing through dislocation strain field analysis has been published by TERAJI, Tokuyuki / Environmental Circulation Composite Material Group
TitleSpatial imaging of spin-dephasing time of nitrogen-vacancy centers around single dislocation in diamonds
AuthorTsuji, T; Harada, S; Teraji, T
Biblio. Info.APPLIED PHYSICS LETTERS, 128(19), 194101-1-194101-6, (2026)
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2026.09.07
papers
A new paper on residual stress reduction in diamond thin films via control of substrate surface off-direction has been published by TERAJI, Tokuyuki / Environmental Circulation Composite Material Group et al.
TitleAxial and shear stress in nitrogen-doped homo-epitaxial chemical-vapor-deposition diamond films
AuthorTsuji, T; Masuyama, Y; Teraji, T
Biblio. Info.JOURNAL OF APPLIED PHYSICS, 139(21), 215303-1-215303-8, (2026)
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2026.09.07
papers
A new paper on the first experimental observation of Coulomb friction entirely independent of sliding velocity in high-temperature layered oxide mica has been published by SAKUMA, Hiroshi / Environmental Circulation Composite Material Group et al.
TitleVelocity-Independent Dry Friction on Mica: Realization of Ideal Amontons-Coulomb Friction
AuthorSakuma, H; Moore, DE; Lockner, DA; Kogure, T
Biblio. Info.PHYSICAL REVIEW LETTERS, 137(4), 46201-1-46201-7, (2026)
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2025.09.07
papers
A new paper on surface morphology of halide vapor phase epitaxy-grown β-Ga2O3 homoepitaxial layers on (011) substrates has been published by OSHIMA, Takayoshi,OSHIMA, Yuichi et al.
Ultra-wide Bandgap Semiconductors Group
Title(110)- and (-134)-faceted surface morphology of halide vapor phase epitaxy-grown β-Ga2O3 homoepitaxial layers on (011) substrates
AuthorOSHIMA, Takayoshi; OSHIMA, Yuichi
Biblio. Info.JAPANESE JOURNAL OF APPLIED PHYSICS, 65(13), 138001-1-138001-4, (2026)
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2026.09.07
papers
A new paper on halide vaor phase epitaxy and HCl gas etching on (-112) β-Ga2O3 has been published by OSHIMA, Takayoshi,OSHIMA, Yuichi et al.
Ultra-wide Bandgap Semiconductors Group
TitleHCl-based halide vapor phase epitaxy and selective-area HCl gas etching of (-112) β-Ga2O3
AuthorOSHIMA, Takayoshi; OSHIMA, Yuichi
Biblio. Info.SCIENCE AND TECHNOLOGY OF ADVANCED MATERIALS, 27(1), 2680969-1-2680969-11, (2026)
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2026.07.29
papers
A new paper on control of crystal polymorphs and electronic properties in gallium oxide based thin films via control of solid solution composition and doping has been published by NAGATA, Takahiro / Nano Electronics Device Materials Group et al.
TitleEpitaxial growth and crystal structure transitions of Nb-doped (GaxIn1−x)2O3 thin films on SrTiO3(111) substrates
AuthorMasaharu Watanabe, Masaaki Kobata, Tatsuo Fukuda, Kenta Ogawa, Hao Cheng, Toyohiro Chikyow, Atsushi Ogura, Takahiro Nagata
Biblio. Info.JAPANESE JOURNAL OF APPLIED PHYSICS, 65(8), 08SP17-1-08SP17-10, (2026)
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2026.07.13
highlights
MORITA, Koji / Polycrystalline Optical Material Group has been awarded the Research Progress Award from the JSPM for their collaborative research conducted under the NIMS Joint Research Hub Program.
TitleKink Strengthening and Microstructural Orientation Control in MAX Phase Ceramics: Elucidating Governing Factors for Enhanced Mechanical Properties
AuthorIKEDA, Ken-ichi (Hokkaido University); MORITA, Koji
URLhttps://www.jspm.or.jp/event/award
URL2https://www.jspm.or.jp/application/files/3417/8181/2921/2025AwardRecipientsachievements.pdf
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2026.07.10
papers
A new paper on development of new blue-green emitting phosphor in a quasi-quaternary system using single-particle diagnosis approach has been published by TAKEDA, Takashi / Advanced Phosphor Group et al.
TitleBlue-Green Emitting Phosphor Ba2LiAlSi2O8:Eu2+ for Phosphor-Converted Light-Emitting Diodes via Single-Particle Diagnosis in a Quasi-Quaternary System
AuthorAkihiro Nakanishi, Shiro Funahashi, Yukinori Koyama, Hisanori Yamane, Kohsei Takahashi, Takayuki Nakanishi, Naoto Hirosaki, Takashi Takeda
Biblio. Info.ACS APPLIED MATERIALS & INTERFACES, 18(20), 28857-28865, (2026)
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2026.07.10
papers
A new paper on how synergistic formic acid-based cosolvents enable room-temperature dissolution and low-energy, selective recycling of long-chain polyamides has been published by TAMURA, Kenji / Environmental Circulation Composite Material Group et al.
TitleCosolvent-Enhanced Dissolution of Long-Chain Polyamides: Toward Room-Temperature Material Recycling of Sustainable Composites
AuthorJonathon Tanks, Kenji Tamura
Biblio. Info.CHEMSUSCHEM, 19(13), e70823-1-e70823-12, (2026)