News Topics
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2026.01.26
recruit
Technical Staff
Call for Technical Staff to be involved in the fabrication and evaluation of high-performance glass materials. -
2026.01.19
recruit
Technical Staff
Call for Technical Staff to be involved in experimental support work, such as preparing process data, various documents, and reports. -
2026.01.08
event
The Japan Society of Applied Physics Presents: “ISPlasma 2026”
OSHIMA, Takayoshi / Ultra-wide Bandgap Semiconductors Group will be speaking at the invited lecture.
DateMay 02 - 06, 2026
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2026.01.08
event
The American Ceramic Society ACerS Engineering Ceramics Division: “ICACC 2026”
MORITA, Koji / Polycrystalline Optical Material Group will be speaking at the invited lecture.
DateJanuary 25 - 30, 2026
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2025.12.23
recruit
Technical Staff
Call for Technical Staff to be involved in commissioned research on oxide thin-film varistor material development. -
2025.12.19
recruit
Post-DOC
Call for Post-DOCs to be involved in Research on fundamental properties of semiconductor materials for quantum sensing applications using NV centers formed in diamond, etc. -
2025.12.11
papers
A new brochure for the Research Center for Electronic and Optical Materials has been published.
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2025.12.10
papers
A new paper on europium-doped oxynitride glass films were synthesized via sol-gel method and ammonolysis, and the optical properties were investigated. has been published by SEGAWA, Hiroyo, OHASHI, Naoki et al.
Amorphous Material Group
Electro-ceramics Group
TitleSynthesis and characterization of oxynitride glass films to develop a host for divalent-europium-centres
AuthorLiu, Xun; Ohsawa, Takeo; Xu, Jian; Yanagida, Masatoshi; Takahashi, Kohsei; Takeda, Takashi; Kishi, Tetsuo; Yano, Tetsuji; Segawa, Hiroyo; Ohashi, Naoki
Biblio. Info.Journal of Materials Chemistry C, -1–-12, (2025)
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2025.12.02
papers
A special column has been published in "NIMS NOW."
A special column titled “NIMS’s Quantum Dot Research and Development for Realizing Innovative Quantum Light Sources,”
written by MANO, Takaaki / Semiconductor Epitaxial Structures Group and KURODA, Takashi / Quantum Photonics Group, has been published in NIMS NOW. -
2025.11.28
papers
A new paper on experimentally measured the stress tensor induced by dislocations in diamond crystals using quantum sensing based on NV centers has been published by TERAJI, Tokuyuki et al.
Semiconductor Defect Design Group
TitleEvaluation of stress tensor around a threading defect in diamond: Application of NV center-based measurement and comparative multi-modal analysis
AuthorTsuji, Takeyuki; Harada, Shunta; Teraji, Tokuyuki
Biblio. Info.JOURNAL OF APPLIED PHYSICS, 138(17), 174401-1-174401-8, (2025)
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2025.11.26
papers
A new paper on Understanding the mechanism of the carrier scattering in two-dimensional electron gas induced at AlGaN/GaN heterointerface fabricated by MOCVD has been published by SUMIYA, Masatomo et al.
Electro-ceramics Group
TitleEffect of strain-induced defects in GaN channel on two-dimensional carrier transport in AlGaN/GaN heterostructures
AuthorSumiya, Masatomo; Imanaka, Yasutaka; Nakano, Yoshitaka
Biblio. Info.APPLIED PHYSICS LETTERS, 127(10), 101602-1-101602-7, (2025)
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2025.11.26
papers
A new paper on high-mobility diamond field-effect transistor has been published by SASAMA, Yosuke et al.
Ultra-wide Bandgap Semiconductors Group
TitleEnhanced channel mobility of hexagonal boron nitride/hydrogen-terminated diamond heterojunction field-effect transistor
AuthorSasama, Yosuke; Iwasaki, Takuya; Imura, Masataka; Watanabe, Kenji; Taniguchi, Takashi; Yamaguchi, Takahide
Biblio. Info.APPLIED PHYSICS LETTERS, 127(14), 143502-1-143502-6, (2025)
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2025.11.25
papers
A new paper on blue light excitable Y3Al3MgSiO12:Cr3+–Ni2+ phosphors, which were designed and fabricated and showed efficient short-wave infrared emission, ultrabroad emission band, and remarkably high thermal stability through Cr3+ to Ni2+ energy transfer, has been published by LI, Jiguang et al.
Polycrystalline Optical Material Group
TitleUltra-broadband shortwave infrared emission under blue light excitation of a Cr3+/Ni2+ co-doped Y3Al3MgSiO12 garnet phosphor through effective energy transfer and its applications
AuthorZhang, Qian; Li, Xinyu; Wang, Ziying; Zhu, Qi; Wang, Xuejiao; Li, Jiguang
Biblio. Info.INORGANIC CHEMISTRY FRONTIERS, -1--16, (2025)
URLhttps://pubs.rsc.org/en/content/articlelanding/2025/qi/d5qi01841b
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2025.11.25
papers
A new paper on a Yb1.94Cr0.06W3O12 phosphor showing high thermal stability and high optoelectronic conversion efficiency under blue light excitation, whose efficient NIR-I/II emission was proved to be effective for night vision and compositional analysis, has been published by LI, Jiguang et al.
Polycrystalline Optical Material Group
TitleAchieving high-performance far-red emission in Cr3+-activated garnet phosphors via Ca2+/Zr4+ doping toward plant lighting
AuthorMeng, Qinghong; Yuan, Jiaming; Li, Xiangming; Yu, Wanjun; Li, Ji-Guang
Biblio. Info.DALTON TRANSACTIONS, 54(43), 15980-15985, (2025)
URLhttps://pubs.rsc.org/en/content/articlelanding/2025/dt/d5dt01878a
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2025.11.25
papers
A new paper on a Yb1.94Cr0.06W3O12 phosphor showing high thermal stability and high optoelectronic conversion efficiency under blue light excitation, whose efficient NIR-I/II emission was proved to be effective for night vision and compositional analysis, has been published by LI, Jiguang et al.
Polycrystalline Optical Material Group
TitleBlue Light Excitable Near-Infrared Luminescence Material Yb2–2xCr2xW3O12: Cr3+ → Yb3+ Energy Transfer, Mechanisms of Antithermal Quenching, and High-Performance pc-LED Applications
AuthorYang, Sihan; Gong, Changshuai; Wang, Ziying; Dong, Liang; Wang, Xuejiao; Li, Ji-Guang
Biblio. Info.ACS APPLIED MATERIALS & INTERFACES, 17(45), 62251-62260, (2025)
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2025.11.25
papers
A new paper on the first experimental demonstration of single-microRNA detecion employing the metasurface fluorescence biosensors developed in NIMS has been published by IWANAGA, Masanobu et al.
Nanophotonics Group
TitleSingle-MicroRNA Detection on High-Selectivity Metasurface Fluorescence Biosensors
AuthorIwanaga, Masanobu
Biblio. Info.ACS NANO, 19(44), 38841-38848, (2025)
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2025.11.25
highlights
Ogawa, Kenta, who is accepted by NAGATA, Takahiro / Nano Electronics Device Materials Group, received the Encouragement Award at the 62nd Autumn Meeting 2025 organized by JAPAN ELECTRONIC MATERIALS SOCIETY.
TitleRelationship between Interface Structure and Components of Tunnel Current in TixZn1-xO1+x/Si Junctions for Tunnel FETs
PresenterKenta Ogawa
Conference nameJEMS2025 Autumn Conference(Sponsored by JAPAN ELECTRONIC MATERIALS SOCIETY)
Date2025.11.18 - 19
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2025.11.12
highlights
Ogawa, Kenta, who is accepted by NAGATA, Takahiro / Nano Electronics Device Materials Group, was awarded for his poster presentation at IWDTF2025.
TitleEffects of Interface Formation Process on Tunneling Current Components of N-type Ti0.3Zn0.7O1.3/P-type Si Stack Structure
RepresentativeKenta Ogawa
AuthorKenta Ogawa, Toyohiro Chikyow, Atsushi Ogura, Takahiro Nagata
Conference nameIWDTF2025(Sponsored by The Japan Society of Applied Physics)
Date2025.11.05 - 07
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2025.11.07
recruit
Engineer Staff
Call for Engineer Staff to be involved in weighing and mixing raw materials in air and nitrogen glove boxes, powder and single-crystal X-ray measurement of synthesized compounds, particle sampling from synthesized compounds, measurement of luminescent properties, sample management, and other tasks related to phosphor development. -
2025.10.01
staff reassignment
New Researcher Joins Ultra-wide Bandgap Semiconductors Group
SASAMA, Yosuke has joined the group as a researcher.
Ultra-wide Bandgap Semiconductors Group
SASAMA, Yosuke -
2025.09.29
event
Completed
We held a joint exchange meeting between the two centers.
We held a joint exchange meeting between The Research Center for Electronic and Optical Materials and The Center for Basic Research on Materials.
A total of 120 participants attended, and the event was successfully concluded.
Date2025.09.26
PlaceTsukuba International Congress Center
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2025.09.22
papers
A new paper on comprehensively reviewing metasurfaces that have potential in practical applications, with particular emphasis on detailing metasurface fluorescence biosensors in depth, has been published by IWANAGA, Masanobu et al.
Nanophotonics Group
TitleMetasurface biosensors: Status and prospects
AuthorIwanaga, Masanobu; Hu, Qi; Tang, Youhong
Biblio. Info.Appl. Phys. Rev., 12(2), 21305-1–21305-24, (2025)
URLhttps://pubs.aip.org/aip/apr/article/12/2/021305/3342510/Metasurface-biosensors-Status-and-prospects
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2025.09.19
highlights
KOBAYASHI, Kiyoshi / Optical Ceramics Group's paper ranked third in the period download count rankings forElectrocemistry journal. (Period: July–August 2025)
TitleExtended Distribution of Relaxation TimeAnalysis for Electrochemical ImpedanceSpectroscopy
AuthorKiyoshi KOBAYASHI; Tohru S. SUZUKI
Biblio. Info.Electrochemistry, 90(1), 017004, (2022)
URLhttps://www.jstage.jst.go.jp/article/electrochemistry/90/1/90_21-00111/_article/-char/ja
