A new paper on an effective post-treatment method of Nitrosyl fluoride gas treatment of GaN for improving electronic properties has been published by NAGATA, Takahiro et al.
Nano Electronics Device Materials Group

Title Effects of nitrosyl fluoride based gas treatment on fluorination and redox reaction at GaN surface and Pt/GaN interface

Author Nagata, Takahiro; Matsuda, Asahiko; Teramoto, Takashi; Gerlach, Dominic; Shen, Peng; Ueda, Shigenori; Kimura, Takako; Dussarrat, Christian; Chikyow, Toyohiro

Biblio. Info. JOURNAL OF APPLIED PHYSICS, 137(9), 95304-1-95304-, (2025)

URL https://pubs.aip.org/aip/jap/article/137/9/095304/3338311/Effects-of-nitrosyl-fluoride-based-gas-treatment

A new paper on a novel approach for fabricating highly oriented, textured MgB2, discussing how its anisotropic properties affect critical current density, irreversibility field, and pinning characteristics, has been published by SUZUKI, Tohru,VASYLKIV, Oleg et al.
Polycrystalline Optical Material Group

Title Towards high degree of c-axis orientation in MgB2

Author M. A. Grigoroscuta, G. Aldica, M. Burdusel, V. Sandu, A. Kuncser, I. Pasuk, A. Ionescu, T.S. Suzuki, O. Vasylkiv, P. Badica

Biblio. Info. Journal of Magnesium and Alloys, 10[8]Aug, 2173-2184, (2022)

URL https://doi.org/10.1016/j.jma.2021.10.013

A new paper on the preparation and analysis of heterogeneous at nano- and microscale high-entropy Ti, Ta, Hf, Zr multiphase diboride with resistance to deformation at temperatures up to 2000℃ has been published by VASYLKIV, Oleg et al.
Polycrystalline Optical Material Group

Title High-Entropy Ti, Zr, Hf, Ta Multiphase Diboride with Deformation Resistance up to 2000℃

Author Badica, Petre; Grigoroscuta, Mihai Alexandru; Kuncser, Andrei Cristian; Vasylkiv, Oleg

Biblio. Info. ADVANCED ENGINEERING MATERIALS, -1--, (2025)

URL https://advanced.onlinelibrary.wiley.com/doi/10.1002/adem.202402723

A new paper on Plasma-free HCl gas etching on (011) β-Ga₂O₃ enables near-vertical processing with minimal damage, showing high potential for microfabrication has been published by OSHIMA, Takayoshi,OSHIMA, Yuichi et al.
Ultra-wide Bandgap Semiconductors Group

Title Near-vertical plasma-free HCl gas etching on (011) β-Ga₂O₃

Author Oshima, Takayoshi; Oshima, Yuichi

Biblio. Info. JAPANESE JOURNAL OF APPLIED PHYSICS,　64(1),　18003-1-18003-, (2022)

URL https://iopscience.iop.org/article/10.35848/1347-4065/ada706

A new paper on A perspective on diamond MEMS magnetic sensors has been published by LIAO, Meiyong et al.
Ultra-wide Bandgap Semiconductors Group

Title A perspective on diamond MEMS magnetic sensors

Author Zhang, Zilong; Gu, Keyun; Toda, Masaya; Liao, Meiyong

Biblio. Info. APPLIED PHYSICS LETTERS, 126(10),　100501-1-100501-,　(2022)

URL http://dx.doi.org/10.1063/5.0255014

A new paper on Photo-response performance regulation of a type-Ib diamond-based photodetector by H2 annealing and ozone treatment has been published by LIAO, Meiyong et al.
Ultra-wide Bandgap Semiconductors Group

Title Photo-response performance regulation of a type-Ib diamond-based photodetector by H2 annealing and ozone treatment

Author Gu, Keyun; Zhang, Zilong; Ohsawa, Takeo; Imura, Masataka; Huang, Jian; Koide, Yasuo; Liao, Meiyong

Biblio. Info. JOURNAL OF MATERIALS CHEMISTRY C, 13(13),　6816-6822,　(2022)

URL http://dx.doi.org/10.1039/d4tc05169f

A new paper on Effect of surface vacancy defects on the phonon thermal transport across GaN/diamond interface has been published by LIAO, Meiyong et al.
Ultra-wide Bandgap Semiconductors Group

Title Effect of surface vacancy defects on the phonon thermal transport across GaN/diamond interface

Author Wu, Kongping; Cheng, Renxiang; Zhang, Leng; Wang, Wenxiu; Li, Fangzhen; Liao, Meiyong

Biblio. Info. SURFACES AND INTERFACES,　56,　105666-1-105666-,　(2022)

URL http://dx.doi.org/10.1016/j.surfin.2024.105666

A new paper on orange-yellow-emitting ‘Sr-rich’ α-SiAlON phosphor with 93% PL intensity at 150 ºC that can be synthesized in single phase powder form for white LEDs has been published by ESTILI, Mehdi, SUZUKI, Tohru et al.
Optical Ceramics Group

Title Robust and orange-yellow-emitting Sr-rich polytypoid α-SiAlON (Sr3Si24Al6N40:Eu2+) phosphor for white LEDs

Author Estili, Mehdi; Xie, Rong-Jun; Takahashi, Kohsei; Funahashi, Shiro; Suzuki, Tohru S.; Hirosaki, Naoto

Biblio. Info. SCIENCE AND TECHNOLOGY OF ADVANCED MATERIALS,　25(1),　2396276-1-2396276-19,　(2022)

URL http://dx.doi.org/10.1080/14686996.2024.2396276

A new paper on disorder of crystal structure in metal cluster halides studied by x-ray diffraction and first principle calculation methods has been published by OHASHI, Naoki et al.
Electro-ceramics Group

Title Unraveling the Origin of Unusual Cs Atom Disorder in Cesium Octahedral Molybdenum Halide Cluster Compounds, Cs2[{Mo6Xi 8}Xa 6] (X = Cl and Br)

Author Saito, Norio; Cordier, Stephane; Ohsawa, Takeo; Saito, Noriko; Takei, Takahiro; Grasset, Fabien; Cross, Jeffrey Scott; Ohashi, Naoki

Biblio. Info. INORGANIC CHEMISTRY,　-1-10,　(2022)

URL http://dx.doi.org/10.1021/acs.inorgchem.4c04648

A new paper on A sieries of new phosphors showing high quantum efficiency and thermal stability for NIR luminescence under blue light excitation were obtained has been published by LI, Jiguang et al.
Polycrystalline Optical Material Group

Title Ca2+/Si4+ Modification of the (Gd,Lu)AG Garnet for Enhanced Broadband Cr3+ Luminescence of High Thermal Stability

Author Wang, Yun; Pan, Zhiyuan; Feng, Sihan; Gao, Lijie; Wang, Xuejiao; Zhu, Qi; Li, Ji-Guang

Biblio. Info. INORGANIC CHEMISTRY,　63(52),　24971-24983,　(2022)

URL http://dx.doi.org/10.1021/acs.inorgchem.4c04702

Crystallographic gas etching was performed on gallium oxide power semiconductors using a safe and non-toxic forming gas has been published by OSHIMA, Takayoshi et al.
Ultra-wide Bandgap Semiconductors Group

Title Plasma-free anisotropic selective-area etching of β-Ga2O3 using forming gas under atmospheric pressure

Author Oshima, Takayoshi; Togashi, Rie; Oshima, Yuichi

Biblio. Info. SCIENCE AND TECHNOLOGY OF ADVANCED MATERIALS,　25(1),　2378683-1-2378683-8,　(2022)

URL 1 http://dx.doi.org/10.1080/14686996.2024.2378683

URL 2 https://mdr.nims.go.jp/concern/publications/gm80j2452

A new paper on crystal growth of high density Nb:YTaO4 single crystaql for X-ray scintillation has been published by SHIMAMURA, Kiyoshi et al.
Optical single crystals group

Title High-density Nb:YTaO4 single crystals for X-ray scintillation

Author Zhou, Yueshen; Yuan, Dongsheng; Villora, Encarnacion G.; Nakauchi, Daisuke; Kato, Takumi; Kawaguchi, Noriaki; Yanagida, Takayuki; Shimamura, Kiyoshi

Biblio. Info. CRYSTENGCOMM,　-1--9,　(2022)

URL https://pubs.rsc.org/en/content/articlelanding/2025/ce/d4ce00848k

A new paper on surface morphology of InAs(001), (111)A, and (111) investigated by scanning tunnneling microscopy has been published by OHTAKE, Akihiro et al.
Semiconductor Epitaxial Structures Group

Title Arsenic-flux dependence of surface morphology in InAs homoepitaxy

Author Ohtake, Akihiro; Kawazu, Takuya; Mano, Takaaki

Biblio. Info. JOURNAL OF VACUUM SCIENCE & TECHNOLOGY A,　42(6),　62702-1-62702-8,　(2022)

URL http://dx.doi.org/10.1116/6.0003957

A new paper on Synergistic Effect of Surface States and Deep Defects for Ultrahigh Gain Deep-Ultraviolet Photodetector with Low-Voltage Operation has been published by LIAO, Meiyong et al.
Ultra-wide Bandgap Semiconductors Group

Title Synergistic Effect of Surface States and Deep Defects for Ultrahigh Gain Deep-Ultraviolet Photodetector with Low-Voltage Operation

Author Gu, Keyun; Wu, Kongping; Zhang, Zilong; Ohsawa, Takeo; Huang, Jian; Koide, Yasuo; Toda, Masaya; Liao, Meiyong

Biblio. Info. ADVANCED FUNCTIONAL MATERIALS (2022)

URL http://dx.doi.org/10.1002/adfm.202420238