List of Papers - 2024

Under the guiding principle of "Contributing to the society through advanced technologies", we have continuously continued technological development since our foundation. We publish the results of pursuing "ultra cutting edge science and technology", such as the development of new analytical techniques, devising pretreatment techniques, and application and development to various device fields, at academic conferences and papers.

Pre-Treatment Effects on Isothermal Crystallization Behavior of Isotactic Polypropylene

Yoshitomo Furushima, Akihiko Toda¹, Masaru Nakada, Subaru Konishi, Hirotaka Shioji, Yuki Yoshida², E. Billur Sevinis Ozbulut², Mehmet Dinc³, Benedikt Keite³, Boris Mizaikoff³, Masatoshi Ohkura⁴
( 1:Hiroshima Univ., 2:AMCEU, 3:Hahn-Schickard, Ulm Univ., 4:Toray)　

Macromolecular Chemistry and Physics 225 (2024) 2400376

https://onlinelibrary.wiley.com/doi/10.1002/macp.202400376
Characterization of polishing-related damage locally introduced during CMP in SiC wafer using transmission electron microscopy and mirror projection electron microscopy.

●H. Sako, S. Hayashi, K. Ohira¹, K. Kobayashi¹, T. Isshiki² (1:Hitachi High-Tech Corp., 2:Kyoto Institute of Technology)

The 5th Asia-Pacific Conference on Silicon Carbide and Related Materials (APCSCRM 2024) （Shenzhen, China）
Nanoscopic structure of PEI thin films evaluated using positron annihilation lifetime technique

●Shigeru Yoshimoto, Kenji Ito¹ (1:AIST)

13th International Workshop on Positron and Positronium Chemistry (PPC13)（Kanazawa）
Thermal degradation at the near surface of Nylon 66 evaluated by energy-variable PALS

Hiroyuki Hosomi

13th International Workshop on Positron and Positronium Chemistry (PPC13)（Kanazawa）
Depth-resolved porosity elucidation of bilayer silica films using the energy-variable positron lifetime technique

●Shigeru Yoshimoto, Kenji Ito¹ (1:AIST)

13th International Workshop on Positron and Positronium Chemistry (PPC13)（Kanazawa）
Interface characterization for fine pitch copper and polyimide L/S structures for improving RDL by AFM-IR and TEM-EELS technique

●Hirofumi Seki, Tatsuhiro Nagasaka, Naohiko Kawasaki, Ai Hashimoto, Hideki Hashimoto, Chin-Hung Wang¹, Wei-Chung Lo¹ (1:Industrial Technology Research Institute)

IMPACT2024（台北）
Post-irradiation analysis of a nucleotide by using TOF-SIMS

●T. Ohta, C. Asahara, T. Majima¹, M. Saito¹, H. Tsuchida¹ (1:Kyoto University)

The 10th international Symposium on Surface Science（kitakyushu）
Analysis of damage in biomolecular samples after fast ion irradiation using low-energy cluster beam TOF-SIMS

●T. Ohta, C. Asahara, H. Tsuchida¹ (1:Kyoto University)

25th Special Workshop on Surface and Interface Analysis and Surface Modification by Ion Beams (Ibaraki)
Characterizing Structural Changes in Solid State Electrolytes : A Quantitative Approach

Yasuhito Aoki

COMS Workshop “Pigments and Extenders for E-mobility”（Berlin, Germany）
Comprehensive Analysis for PDA Effect on SiO₂/SiNx/Si Stacked Structure Using Multiple Technique

●T. Sakata, K. Takahashi, N. Takemoto, K. Inoue, T. Sugimoto, Y. Tanahashi, and S. Ogawa

PRiME2024（USA, Hawaii, Honolulu)
Probing electrochemical reactions at the electrode-electrolyte interface in lithium metal battery, combining experimental approach and computational calculation

●Yasuhito Aoki, Mami Oda, Sachiko Kojima

PRiME2024（USA, Hawaii, Honolulu)
Trench shape dependence of stress distribution in 4H-SiC trench MOSFET test structures by Scanning Near-field Optical Raman Microscope

●T. Nagasaka, T. Uchida, M. Murakami, M.Yoshikawa, M. Lim¹, O. Rusch¹ and M. Rommel¹（1:Fraunhofer Institute）

ICSCRM 2024（USA, North Carolina）
Relationship between contrast formation in the mirror electron images and the distribution of crystal defects in polishing damage introduced on the surface of 4H-SiC wafers

●H. Sako, S. Hayashi, K. Ohira¹, K. Kobayashi¹, T. Isshiki²（1:Hitachi High-Tech, 2:Kyoto Institute of Technology）

ICSCRM 2024（USA, North Carolina）
Secondary crystallization of low-isotacticity polypropylene

Yoshitomo Furushima, Akihiko Toda¹, Kazuo Kimura, Masaru Nakada, Akihiro Masuda, Kazuya Nakamura, Hideaki Takahashi, Toshiumi Tatsuki², Kazuma Okada², Masatoshi Ohkura² (1:Hiroshima University, 2:Toray Industries, Inc.)

Thermochimica Acta, 741 , 179867 (2024).

https://www.sciencedirect.com/science/article/pii/S0040603124002065
Secondary crystallization of low isotacticity polypropylene

Yoshitomo Furushima, Akihiko Toda¹, Hideaki Takahashi, Toshiumi Tatsuki², Kazuma Okada², Masatoshi Ohkura²　(1:Hiroshima University, 2:Toray Industries, Inc.)

International Discussion Meeting on Polymer Crystallization 2024 (IDMPC 2024) (Yonezawa)
Process-induced Stress Characterization in SiC MOSFETs by Raman spectroscopy

Tomoyuki Uchida

24th International Conference on Ion Implantation Technology（Toyama）
Using plan-view cathodoluminescence to estimate damage depth in ion-implanted β-Ga₂O₃

●Ryuichi Sugie, Tomoyuki Uchida

24th International Conference on Ion Implantation Technology 2024 (24th IIT 2024) (Toyama）
Structural analysis of stacking fault complex origin in 4H-SiC epitaxial wafer

Shohei Hayashi, Hideki Sako, Junji Senzaki¹ (1:AIST)

Journal of Crystal Growth, 648, 127880 (2024)

https://www.sciencedirect.com/science/article/pii/S0022024824003154
Nanoscale intracellular ultrastructure affected by osmotic pressure using small-angle X-ray scattering

Masaru Nakada, Junko Kanda, Hironobu Uchiyama, Kazuaki Matsumura¹
(1:Japan Advanced Institute of Science and Technology,)

Biophysical Chemistry, 312, 107287.

https://www.sciencedirect.com/science/article/pii/S0301462224001169
Dynamics of Zn chemical state and defect structure in ZnO-ZrO₂ catalyst for methanol synthesis from CO₂ reduction

Masahiro Kunisu, Takatoshi Sawai, Masataka Murakami, Shohei Tada¹ (1:Hokkaido University)

18th International Congress on Catalysis (France)
Anisotropic stress observation of 4H-SiC trench metal-oxide semiconductor field-effect transistor test structures by scanning near-field optical Raman microscope

Masanobu Yoshikawa, Masataka Murakami, Tomoyuki Uchida, Junichiro Samejima, Kana Mitsuzawa, Nobuhiro Matoba, Minwho Lim¹, Oleg Rusch¹, Mathias Rommel¹
(1: Fraunhofer Institute for Integrated Systems and Device Technology IISB, Erlangen, Germany)

Journal of RAMAN SPECTROSCOPY. 2024;1–7.

https://doi.org/10.1002/jrs.6685
Disaggregation and fibrillation during sol-gel transition of alginate hydrogels

Masaru Nakada, Hiroyuki Ishida, Hironobu Uchiyama, Rena Ota, Toshihiko Ogura¹, Yusuke Namiki²
(1: AIST, 2: KIMICA Corporation)

International Journal of Biological Macromolecules, 269, 131890 (2024)

https://www.sciencedirect.com/science/article/pii/S0141813024026953
Hydrogen-bonded Structure of Hydrated Water in Polyvinyl Pyrrolidone Aqueous Solution Investigated by X-ray Absorption and Emission Spectroscopy

Koichi Ozaki, Masaru Nakada, Masahiro Kunisu, Jumpei Yahiro, Kosuke Yamazoe¹, Yitao Cui¹, Jun Miyawaki¹ and Yoshihisa Harada¹
(1: Institute for Solid State Physics, The University of Tokyo)

Journal of Molecular Liquids 403, 124822 (2024)

https://www.sciencedirect.com/science/article/pii/S016773222400878X
Analysis of Impurities in OLED Materials

●Hikaru Takano, Daichi Shirakura, Hiroshi Fujimoto^1,2, Chihaya Adachi^1,2
(1: Fukuoka i³-Center for Organic Photonics and Electronics Research, 2: Center for Organic Photonics and Electronics Research, Kyushu University)

SID2024 (America, San Jose)
Investigation of the isothermal curing and glass transition behaviors of epoxy–imidazole systems

Yoshitomo Furushima, Subaru Konishi, Yoshihiko Taguchi, Kana Mitsuzawa, Takayuki Hirano, Ryo Endo, Hirofumi Torigoe¹, Kei Manabe¹, Tomoya Takao¹, Yuki Ishikawa^1,2,
(1:Sanyu Rec Co., Ltd., 2:Osaka Metropolitan University)

Polymer, 293(2), 126685(2024).

https://doi.org/10.1016/j.polymer.2024.126685

List of Papers - 2024

Pre-Treatment Effects on Isothermal Crystallization Behavior of Isotactic Polypropylene

Characterization of polishing-related damage locally introduced during CMP in SiC wafer using transmission electron microscopy and mirror projection electron microscopy.

Nanoscopic structure of PEI thin films evaluated using positron annihilation lifetime technique

Thermal degradation at the near surface of Nylon 66 evaluated by energy-variable PALS

Depth-resolved porosity elucidation of bilayer silica films using the energy-variable positron lifetime technique

Interface characterization for fine pitch copper and polyimide L/S structures for improving RDL by AFM-IR and TEM-EELS technique

Post-irradiation analysis of a nucleotide by using TOF-SIMS

Analysis of damage in biomolecular samples after fast ion irradiation using low-energy cluster beam TOF-SIMS

Characterizing Structural Changes in Solid State Electrolytes : A Quantitative Approach

Comprehensive Analysis for PDA Effect on SiO₂/SiNx/Si Stacked Structure Using Multiple Technique

Probing electrochemical reactions at the electrode-electrolyte interface in lithium metal battery, combining experimental approach and computational calculation

Trench shape dependence of stress distribution in 4H-SiC trench MOSFET test structures by Scanning Near-field Optical Raman Microscope

Relationship between contrast formation in the mirror electron images and the distribution of crystal defects in polishing damage introduced on the surface of 4H-SiC wafers

Secondary crystallization of low-isotacticity polypropylene

Secondary crystallization of low isotacticity polypropylene

Process-induced Stress Characterization in SiC MOSFETs by Raman spectroscopy

Using plan-view cathodoluminescence to estimate damage depth in ion-implanted β-Ga2O3

Structural analysis of stacking fault complex origin in 4H-SiC epitaxial wafer

Nanoscale intracellular ultrastructure affected by osmotic pressure using small-angle X-ray scattering

Dynamics of Zn chemical state and defect structure in ZnO-ZrO2 catalyst for methanol synthesis from CO2 reduction

Anisotropic stress observation of 4H-SiC trench metal-oxide semiconductor field-effect transistor test structures by scanning near-field optical Raman microscope

Disaggregation and fibrillation during sol-gel transition of alginate hydrogels

Hydrogen-bonded Structure of Hydrated Water in Polyvinyl Pyrrolidone Aqueous Solution Investigated by X-ray Absorption and Emission Spectroscopy

Analysis of Impurities in OLED Materials

Investigation of the isothermal curing and glass transition behaviors of epoxy–imidazole systems

Using plan-view cathodoluminescence to estimate damage depth in ion-implanted β-Ga₂O₃

Dynamics of Zn chemical state and defect structure in ZnO-ZrO₂ catalyst for methanol synthesis from CO₂ reduction