News Topics
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2026.03.04
papers
A new paper on the mechanism of the “aging effect,” whereby cesium ions adsorbed onto clay minerals in soil become increasingly difficult to desorb over time, has been published by SAKUMA, Hiroshi et al.
Environmental Circulation Composite Material Group
TitleAdsorption of Cs Ions in Hydroxy-Al Interlayered Clay Minerals and the Aging Mechanism
AuthorHiroshi, Sakuma; Kenji, Tamura; Shigeru, Suehara; Kenjiro, Hashi
Biblio. Info.Langmuir, 42, 6081-6090, (2026)
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2026.02.26
papers
A new paper on the development of an innovative wafer-scale epitaxial growth for MoS2 atomic layer films, which are expected to be next-generation semiconductors, using the original MOCVD method has been published by SAKUMA, Yoshiki,OHTAKE, Akihiro et al.
Semiconductor Epitaxial Structures Group
TitleSelf-aligned and self-limiting van der Waals epitaxy of monolayer MoS2 for scalable 2D electronics
AuthorSakuma, Yoshiki; Atsumi, Keisuke; Hiroto, Takanobu; Nara, Jun; Ohtake, Akihiro; Ono, Yuki; Matsumoto, Takashi; Muta, Yukihiro; Takeda, Kai; Kano, Emi; Yasuno, Toshiki; Yang, Xu; Ikarashi, Nobuyuki; Suzuki, Asato; Ikezawa, Michio; Li, Shuhong; Nishimura, Tomonori; Kanahashi, Kaito; Nagashio, Kosuke
Biblio. Info.NATURE COMMUNICATIONS, 17(1), 602-1-602-10, (2026)
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2026.02.25
papers
A new paper on residual stress evaluation of CVD diamond films by quantum sensing with NV centers has been published by TERAJI, Tokuyuki et al.
Semiconductor Defect Design Group
TitleMeasuring the stress tensor in nitrogen-doped CVD diamond using solid-state quantum sensor
AuthorTsuji, T.; Harada, S.; Teraji, T.
Biblio. Info.SCIENCE AND TECHNOLOGY OF ADVANCED MATERIALS, 26(1), 2546779-1-2546779-9, (2025)
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2026.02.24
papers
A new paper on a series of Cr3+-doped garnet phosphors, designed by modifying both the Gd and Al sites of Gd3Al5O12, fabricated for stable and broadband NIR luminescence, has been published by LI, Jiguang et al.
Polycrystalline Optical Material Group
TitleMulti-site regulation of Gd garnet for lattice stabilization and efficient/thermally stable broadband Cr3+luminescence
AuthorWang, Yun; Yang, Sihan; Wang, Xuejiao; Zhu, Qi; Li, Ji-guang
Biblio. Info.JOURNAL OF THE AMERICAN CERAMIC SOCIETY, 109(1), e70441-1-e70441-11, (2025)
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2026.02.24
papers
A new paper on systematically summarizing the latest progress in Bi3+-based red/NIR phosphors, including luminescence mechanism, material design, and application, has been published by LI, Jiguang et al.
Polycrystalline Optical Material Group
TitleRed/near-infrared emitting phosphors based on Bi3+ ions: recent advances, materials design, and applications
AuthorWang, Xuejiao; Yang, Sihan; Li, Ji-Guang
Biblio. Info.DALTON TRANSACTIONS, 55(7), 2766-2787, (2026)
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2026.02.24
papers
A new paper on the pseudo-cubic representation of the β-Ga₂O₃ crystal structure based on a close packing oxygen sublattice has been published by OSHIMA, Takayoshi, OSHIMA, Yuichiet al.
Ultra-wide Bandgap Semiconductors Group
TitleMapping primary crystallographic planes in β-Ga2O3 based on a pseudo-cubic oxygen sublattice
AuthorOshima, Takayoshi
Biblio. Info.JAPANESE JOURNAL OF APPLIED PHYSICS, 65(3), 38003-1-38003-3, (2026)
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2026.02.24
papers
A new paper on the discovery of an in-plane growth direction of m-plane α-Ga2O3 with an extremely high in-plane growth rate, enabling high-quality selective area growth, has been published by OSHIMA, Yuichi et al.
Ultra-wide Bandgap Semiconductors Group
TitleEpitaxial lateral overgrowth of m-plane α-Ga2O3 by halide vapor phase epitaxy
AuthorOshima, Yuichi; Shinohe, Takashi
Biblio. Info.SCIENCE AND TECHNOLOGY OF ADVANCED MATERIALS, 26(1), 2485869-1-2485869-8, (2025)
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2026.02.24
papers
A new paper on the successful improvement of surface flatness and controllability in HCl gas etching of (001) β-Ga2O3 through the addition of O2 gas has been published by OSHIMA, Yuichi,OSHIMA, Takayoshi et al.
Ultra-wide Bandgap Semiconductors Group
TitleHCl-gas etching behavior of (001) β-Ga2O3 under oxygen supply
AuthorOshima, Yuichi; Oshima, Takayoshi
Biblio. Info.SCIENCE AND TECHNOLOGY OF ADVANCED MATERIALS, 26(1), 2546285-1-2546285-10, (2025)
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2026.02.24
papers
A new paper on the simultaneous achievement of high growth rate and low residual chlorine concentration by halide vapor phase epitaxy on the (011) plane of β-Ga2O3 has been published by OSHIMA, Yuichi,OSHIMA, Takayoshi et al.
Ultra-wide Bandgap Semiconductors Group
TitleRapid homoepitaxial growth of (011) β-Ga2O3 by HCl-based halide vapor phase epitaxy
AuthorOshima, Yuichi; Oshima, Takayoshi
Biblio. Info.SCIENCE AND TECHNOLOGY OF ADVANCED MATERIALS, 26(1), 2585551-1-2585551-9, (2025)
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2026.02.24
papers
A new paper on the epitaxial orientation of monolayer-MoS2 on sapphire(0001) has been published by OHTAKE, Akihiro et al.
Semiconductor Epitaxial Structures Group
TitleEpitaxial configuration of unidirectionally aligned MoS2 monolayer on sapphire
AuthorOhtake, Akihiro; Nara, Jun; Sakuma, Yoshiki
Biblio. Info.JOURNAL OF APPLIED PHYSICS, 139(2), 24303-1-24303-7, (2026)
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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. -
2026.01.08
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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2025.12.19
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)