Faculty Profiles - USAMI Noritaka

Papers - USAMI Noritaka

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Electrical properties manipulation of nanocrystalline silicon/silicon oxide passivating contacts via Si/O elemental concentration ratios for use in Si solar cells Open Access

Kaori Takagi, Asaki Arata, Yasuyoshi Kurokawa, Atsushi MASUDA, Noritaka Usami and Kazuhiro Gotoh

Japanese Journal of Applied Physics Vol. 65 ( 7 ) 2026.4

Design Optimization of Graphite Retort and Predictive Modeling of Optical Properties in Multi-crystalline Silicon for Solar Cell Applications

Raman, M; Arun, S; Srinivasan, M; Thamotharan, K; Sree, RMK; Krishnamurthy, V; Usami, N

JOURNAL OF ELECTRONIC MATERIALS 2026.4

Design of SiGe films with uniform compositions on Si substrates towards applications for MAPbI3/SiGe tandem solar cells Invited Reviewed

Kenta Yagi, Ryoji Katsube, Yuki Imai, Shota Suzuki, Hideaki Minamiyama, Marwan Dhamrin, Yasuyoshi Kurokawa, and Noritaka Usami

Japanese Journal of Applied Physics 2026.4

Regression Framework Incorporating Intermediate Parameters for Improved Prediction Accuracy in Multilayer Thin Films for Silicon Heterojunction Solar cells with High Efficiency Invited Reviewed

Soma Kondo, Yasuyoshi Kurokawa, Kentaro Kutsukake, Shion Takeno, Ryoji Katsube, and Noritaka Usami

Japanese Journal of Applied Physics 2026.3

Interface Chemistry and the Role of an LiF Interlayer in TiOx/Al Electron-Selective Passivating Contacts for Crystalline Si Solar Cells: Insights from Hard X-ray Photoelectron Spectroscopy Reviewed

Fukaya, S; Gotoh, K; Nishihara, T; Sai, H; Kurokawa, Y; Katsube, R; Imai, Y; Usami, N; Matsui, T

ACS APPLIED MATERIALS & INTERFACES Vol. 18 ( 7 ) page： 12093 - 12103 2026.2

Engineering bilayer tandem gatalysts on Si-Based photocathodes for high-performance CO2 reduction to produce methane Reviewed Open Access

Hao Wu, Shenghe Si, Haitao Wang, Changlai Wang, Rongchi Dai, Jianuo Li, Shohei Fukaya, Zhenhua Pan, Yujie Xiong, Noritaka Usami, Koyo Norinaga, Yasuyoshi Kurokawa, Suchada Sirisomboonchai, Dong Liu, Qian Wang

Advanced Materials 2026.2

A transparent hole-selective passivating contact for crystalline silicon solar cells: niobium-titanium oxide formed by atomic layer deposition Reviewed

Fukaya, S; Gotoh, K; Kurokawa, Y; Katsube, R; Imai, Y; Usami, N

JAPANESE JOURNAL OF APPLIED PHYSICS Vol. 65 ( 2 ) 2026.1

Suppression of film blistering in silicon nano-crystals/silicon oxide composite layer by insertion of intrinsic hydrogenated amorphous silicon layer Reviewed

Kazushi Mizutani, Kazuhiro Gotoh, Tomihisa Tachibana, Yasuyoshi Kurokawa and Noritaka Usami

Jpn. J. Appl. Phys. Vol. 64 ( 4 ) 2025.4

Two-stage GAN-based generation of virtual 3D multicrystalline silicon reproducing nucleation and crystal growth processes using crystallographic information from real ingots Invited Reviewed

Takumi Deshimaru, Kazuma Torii, Kyoka Hara, Kentaro Kutsukake, Hiroaki Kudo, Ryoji Katsube, Takuto Kojima and Noritaka Usami

Advanced Intelligent Discovery 2025.4

A design methodology of crystal growth furnace and process aided by two-step optimization using machine learning models and genetic algorithm Reviewed Open Access

Hiroyuki Tanaka, Kentaro Kutsukake, Takuto Kojima, Xin Liu, and Noritaka Usami

STAM Methods 2025.4

A machine learning approach to reveal microstructures contributing to dislocation clusters in multicrystalline silicon Reviewed

Kazuma Torii, Kyoka Hara, Daiki Hatanaka, Takuto Kojima, Kentaro Kutsukake, Hiroaki Kudo, Ryoji Katsube, and Noritaka Usami

Journal of Applied Physics 2025.4

Dislocation cluster generation behavior in multicrystalline silicon investigated using twin network analysis Reviewed Open Access

Kazuma Torii, Takuto Kojima, Kentaro Kutsukake, Hiroaki Kudo and Noritaka Usami

SCIENCE AND TECHNOLOGY OF ADVANCED MATERIALS 2025.4

SiGe epitaxial growth using screen printing of Al–Ge paste on Si followed by pulsed laser annealing Reviewed

Takeshi Sato, Satoru Miyamoto, Shota Suzuki, Hideaki Minamiyama, Marwan Dhamrin and Noritaka Usami

Jpn. J. Appl. Phys. Vol. 64 ( 3 ) page： 035501-1 - 035501-7 2025.3

Improvement of nano-texture uniformity formed on crystalline silicon surface by anisotropic alkaline etching for perovskite/silicon tandem solar cells Reviewed

Yamaguchi, Hiroto; Kurokawa, Yasuyoshi; Fukaya, Shohei; KATO, Shinya; Usami, Noritaka

Jpn. J. Appl. Phys. 2025.3

Fabrication of Tilted Mg2Si/Ni Multilayer Composite Modules Using Polylactic Acid Resin Molds and Evaluation of the Thermoelectric Power Generation Performance Reviewed Open Access

Tomohiro Kusumoto, Yasuyoshi Kurokawa, Noritaka Usami, Takashi Itoh

Journal of the Japan Society of Powder and Powder Metallurgy 2025.3