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コレツ オヴィヂュ

コレツ オヴィヂュ (CRETU, Ovidiu) 0000-0002-1822-8172

TEL
+81-29-860-4432
Address
305-0044 茨城県つくば市並木1-1 [アクセス]

[論文] | [書籍] | [会議録] | [口頭発表] | [その他の文献] | [公開特許出願]

論文 TSV

2024
  1. Koji Kimoto, Jun Kikkawa, Koji Harano, Ovidiu Cretu, Yuki Shibazaki, Fumihiko Uesugi. Unsupervised machine learning combined with 4D scanning transmission electron microscopy for bimodal nanostructural analysis. Scientific Reports. 14 [1] (2024) 2901 10.1038/s41598-024-53289-5 Open Access
  2. Dai-Ming Tang, Ovidiu Cretu, Shinsuke Ishihara, Yongjia Zheng, Keigo Otsuka, Rong Xiang, Shigeo Maruyama, Hui-Ming Cheng, Chang Liu, Dmitri Golberg. Chirality engineering for carbon nanotube electronics. Nature Reviews Electrical Engineering. 1 [3] (2024) 149-162 10.1038/s44287-023-00011-8 Open Access
  3. Barun Kumar Barman, David Hernández‐Pinilla, Ovidiu Cretu, Jun Kikkawa, Koji Kimoto, Tadaaki Nagao. Generated White Light Having Adaptable Chromaticity and Emission, Using Spectrally Reconfigurable Microcavities. Advanced Science. 11 [41] (2024) 2407090 10.1002/advs.202407090 Open Access
  4. Abin Sebastian, Atanu Panda, Ravi Nandan, Joel Henzie, Ovidiu Cretu, Jian Xu, Nadiia Velychkivska, Renzhi Ma, Pooja Gakhad, Abhishek Kumar Singh, Gary J. Richards, Koji Kimoto, Lok Kumar Shrestha, Katsuhiko Ariga, Yusuke Yamauchi, Jonathan P. Hill. Scalable nanoarchitectonics with microporous polymer composite for methanol-tolerant ORR electrocatalysts. Journal of Materials Chemistry A. 12 [34] (2024) 22494-22503 10.1039/d4ta04577g Open Access
  5. Yunqing Kang, Shuangjun Li, Ovidiu Cretu, Koji Kimoto, Yingji Zhao, Liyang Zhu, Xiaoqian Wei, Lei Fu, Dong Jiang, Chao Wan, Bo Jiang, Toru Asahi, Dieqing Zhang, Hexing Li, Yusuke Yamauchi. Mesoporous amorphous non-noble metals as versatile substrates for high loading and uniform dispersion of Pt-group single atoms. Science Advances. 10 [25] (2024) eado2442 10.1126/sciadv.ado2442 Open Access
2023
  1. Yunqing Kang, Ovidiu Cretu, Jun Kikkawa, Koji Kimoto, Hiroki Nara, Asep Sugih Nugraha, Hiroki Kawamoto, Miharu Eguchi, Ting Liao, Ziqi Sun, Toru Asahi, Yusuke Yamauchi. Mesoporous multimetallic nanospheres with exposed highly entropic alloy sites. Nature Communications. 14 [1] (2023) 4182 10.1038/s41467-023-39157-2 Open Access
  2. Barun Kumar Barman, David Hernández-Pinilla, Ovidiu Cretu, Riichiro Ohta, Keiko Okano, Toshifumi Shiroya, Jun Sasai, Koji Kimoto, Tadaaki Nagao. New Insight into Fluorescent Polymeric Carbon Dots for Solid-State Laser Device. ACS Sustainable Chemistry & Engineering. 11 [33] (2023) 12291-12303 10.1021/acssuschemeng.3c01775 Open Access
  3. Ovidiu Cretu, Dai-Ming Tang, Da-Bao Lu, Bo Da, Yoshihiro Nemoto, Naoyuki Kawamoto, Masanori Mitome, Zejun Ding, Koji Kimoto. Nanometer-level temperature mapping of Joule-heated carbon nanotubes by plasmon spectroscopy. Carbon. 201 (2023) 1025-1029 10.1016/j.carbon.2022.10.006
2022
  1. Ovidiu Cretu, Han Zhang, Koji Kimoto. Direct Observation of Thermal Vibration Modes Using Frequency-Selective Electron Microscopy. Nano Letters. 22 [24] (2022) 10034-10039 10.1021/acs.nanolett.2c03762
  2. Koji Kimoto, Motoki Shiga, Shinji Kohara, Jun Kikkawa, Ovidiu Cretu, Yohei Onodera, Kazuo Ishizuka. Local structure analysis of disordered materials via contrast variation in scanning transmission electron microscopy. AIP Advances. 12 [9] (2022) 095219 10.1063/5.0104798 Open Access
  3. Flavien Sciortino, Ovidiu Cretu, Vasilios Karanikolas, Fabien Grasset, Stéphane Cordier, Katsuhiko Ariga, Takashi Kuroda, Koji Kimoto. Surface Plasmon Tunability of Core–Shell Au@Mo6 Nanoparticles by Shell Thickness Modification. The Journal of Physical Chemistry Letters. 13 [9] (2022) 2150-2157 10.1021/acs.jpclett.1c03853
  4. Han Zhang, Yu Jimbo, Akira Niwata, Akihiro Ikeda, Akira Yasuhara, Cretu Ovidiu, Koji Kimoto, Takeshi Kasaya, Hideki T. Miyazaki, Naohito Tsujii, Hongxin Wang, Yasushi Yamauchi, Daisuke Fujita, Shin-ichi Kitamura, Hironobu Manabe. High-endurance micro-engineered LaB6 nanowire electron source for high-resolution electron microscopy. Nature Nanotechnology. 17 [1] (2022) 21-26 10.1038/s41565-021-00999-w
2021
  1. Dai-Ming Tang, Sergey V. Erohin, Dmitry G. Kvashnin, Victor A. Demin, Ovidiu Cretu, Song Jiang, Lili Zhang, Peng-Xiang Hou, Guohai Chen, Don N. Futaba, Yongjia Zheng, Rong Xiang, Xin Zhou, Feng-Chun Hsia, Naoyuki Kawamoto, Masanori Mitome, Yoshihiro Nemoto, Fumihiko Uesugi, Masaki Takeguchi, Shigeo Maruyama, Hui-Ming Cheng, Yoshio Bando, Chang Liu, Pavel B. Sorokin, Dmitri Golberg. Semiconductor nanochannels in metallic carbon nanotubes by thermomechanical chirality alteration. Science. 374 [6575] (2021) 1616-1620 10.1126/science.abi8884
  2. Yunqing Kang, Bo Jiang, Victor Malgras, Yanna Guo, Ovidiu Cretu, Koji Kimoto, Aditya Ashok, Zhe Wan, Hexing Li, Yoshiyuki Sugahara, Yusuke Yamauchi, Toru Asahi. Heterostructuring Mesoporous 2D Iridium Nanosheets with Amorphous Nickel Boron Oxide Layers to Improve Electrolytic Water Splitting. Small Methods. 5 [10] (2021) 2100679 10.1002/smtd.202100679
  3. Wieslaw J. Roth, Takayoshi Sasaki, Karol Wolski, Yasuo Ebina, Dai-Ming Tang, Yuichi Michiue, Nobuyuki Sakai, Renzhi Ma, Ovidiu Cretu, Jun Kikkawa, Koji Kimoto, Katarzyna Kalahurska, Barbara Gil, Michal Mazur, Szczepan Zapotoczny, Jiri Čejka, Justyna Grzybek, Andrzej Kowalczyk. Exfoliated Ferrierite-Related Unilamellar Nanosheets in Solution and Their Use for Preparation of Mixed Zeolite Hierarchical Structures. Journal of the American Chemical Society. 143 [29] (2021) 11052-11062 10.1021/jacs.1c04081 Open Access
  4. Ovidiu Cretu, Akimitsu Ishizuka, Keiichi Yanagisawa, Kazuo Ishizuka, Koji Kimoto. Atomic-Scale Electrical Field Mapping of Hexagonal Boron Nitride Defects. ACS Nano. 15 [3] (2021) 5316-5321 10.1021/acsnano.0c10849
2019
  1. Xin Zhou, Dmitry G. Kvashnin, Yanming Xue, Dai-Ming Tang, Ovidiu Cretu, Masanori Mitome, Yoshio Bando, Pavel B. Sorokin, Takayoshi Sasaki, Dmitri Golberg. Kinking effects and transport properties of coaxial BN-C nanotubes as revealed by in situ transmission electron microscopy and theoretical analysis. APL Materials. 7 [10] (2019) 101118 10.1063/1.5125170 Open Access
  2. Xin Zhou, Feng-Chun Hsia, Yanming Xue, Dai-Ming Tang, Ovidiu Cretu, Chao Zhang, Masanori Mitome, Yoshio Bando, Takayoshi Sasaki, Dmitri Golberg. Tunable Mechanical and Electrical Properties of Coaxial BN-C Nanotubes. physica status solidi (RRL) - Rapid Research Letters. 13 [3] (2019) 1800576 10.1002/pssr.201800576
2018
  1. Dai-Ming Tang, Dmitry G. Kvashnin, Ovidiu Cretu, Yoshihiro Nemoto, Fumihiko Uesugi, Masaki Takeguchi, Xin Zhou, Feng-Chun Hsia, Chang Liu, Pavel B. Sorokin, Naoyuki Kawamoto, Masanori Mitome, Hui-Ming Cheng, Dmitri Golberg, Yoshio Bando. Chirality transitions and transport properties of individual few-walled carbon nanotubes as revealed by in situ TEM probing. Ultramicroscopy. 194 (2018) 108-116 10.1016/j.ultramic.2018.07.012
2017
  1. Qunhong Weng, Dmitry G. Kvashnin, Xi Wang, Ovidiu Cretu, Yijun Yang, Min Zhou, Chao Zhang, Dai-Ming Tang, Pavel B. Sorokin, Yoshio Bando, Dmitri Golberg. Tuning of the Optical, Electronic, and Magnetic Properties of Boron Nitride Nanosheets with Oxygen Doping and Functionalization. Advanced Materials. 29 [28] (2017) 1700695 10.1002/adma.201700695
  2. Ovidiu Cretu, Chao Zhang, Dmitri Golberg. Nanometer-scale mapping of defect-induced luminescence centers in cadmium sulfide nanowires. Applied Physics Letters. 110 [11] (2017) 111904 10.1063/1.4978603
2016
  1. Chao Zhang, Ovidiu Cretu, Dmitry G. Kvashnin, Naoyuki Kawamoto, Masanori Mitome, Xi Wang, Yoshio Bando, Pavel B. Sorokin, Dmitri Golberg. Statistically Analyzed Photoresponse of Elastically Bent CdS Nanowires Probed by Light-Compatible In Situ High-Resolution TEM. Nano Letters. 16 [10] (2016) 6008-6013 10.1021/acs.nanolett.6b01614
  2. Katherine Elizabeth Moore, Ovidiu Cretu, Masanori Mitome, Dmitri Golberg. In situ cyclic telescoping of multi-walled carbon nanotubes in a transmission electron microscope. Carbon. 107 (2016) 225-232 10.1016/j.carbon.2016.05.067

書籍 TSV

会議録 TSV

口頭発表 TSV

2024
  1. KIMOTO, Koji, KIKKAWA, Jun, HARANO, Koji, CRETU, Ovidiu, 柴崎 裕樹, UESUGI, Fumihiko. Unsupervised machine learning for 4D-STEM; nonnegative matrix factorization and hierarchical clustering. Enhanced Data Generated by Electrons (EDGE) 2024. 2024
  2. 木本 浩司, 吉川 純, 原野 幸治, コレツ オヴィヂュ, 柴崎 裕樹, 上杉 文彦. 4D-STEMと教師無し機械学習によるバイモーダル微細構造解析. 日本顕微鏡学会第80回学術講演会. 2024
2023
  1. KAWAMOTO, Naoyuki, NGUYEN, Duy Hieu, 山田 勇, CHO, Hyunyong, PANG, Hong, CRETU, Ovidiu, KIKKAWA, Jun, MITOME, Masanori, GOLBERG, Dmitri, MORI, Takao, KIMOTO, Koji. Development of Pulsed STEM-based Method for Nanoscale Thermal Diffusivity Measurements. The 20th International Microscopy Congress (IMC20). 2023
  2. KIMOTO, Koji, CRETU, Ovidiu, KIKKAWA, Jun, ZHANG, Han, HARANO, Koji, UESUGI, Fumihiko, MATSUNAMI, Shigeyuki. STEM and EELS for Data-Driven Material Research. The International Workshop on Advanced and In Situ Microscopies of Functional Nanomaterials and Devices (IAMNano). 2023 招待講演
  3. CRETU, Ovidiu, ZHANG, Han, KIMOTO, Koji. Direct Imaging of Thermal Vibration Modes Using Frequency-Selective Electron Microscopy. The International Workshop on Advanced and In Situ Microscopies of Functional Nanomaterials and Devices (IAMNano). 2023
  4. CRETU, Ovidiu, ZHANG, Han, KIMOTO, Koji. Direct Imaging of Thermal Vibration Modes Using Frequency-Selective Electron Microscopy. The 79th Annual Meeting of The Japanese Society of Microscopy (第79 回学術講演会). 2023
  5. 川本 直幸, グェン ユイ ヒウ, 山田 勇, 湯 代明, コレツ オヴィヂュ, 三留 正則, 森 孝雄, 木本 浩司. TEM内熱電対による熱輸送計測法の改良. 日本顕微鏡学会 第79回学術講演会. 2023
  6. グェン ユイ ヒウ, 山田 勇, 湯 代明, コレツ オヴィヂュ, 三留 正則, 木本 浩司, 森 孝雄, 川本 直幸. STEMによるナノスケール熱輸送定量計測法. 日本顕微鏡学会 第79回学術講演会. 2023
  7. 木本 浩司, 松波 成行, 吉川 純, 原野 幸治, コレツ オヴィヂュ, 川本 直幸, 張 晗. 透過電子顕微鏡による材料評価と解析データの取り扱い. R026先端計測技術の将来設計委員会第13回研究会. 2023 招待講演
2022
  1. TANG, Daiming, Dmitry G. Kvashnin, CRETU, Ovidiu, Guohai Chen, Don N. Futaba, Yongjia Zheng, Rong Xiang, Shigeo Maruyama, Hui-Ming Cheng, BANDO, Yoshio, Chang Liu, Pavel B. Sorokin, GOLBERG, Dmitri. Semiconductor Nanochannels in Metallic Carbon Nanotubes by Thermomechanical Chirality Alteration. 2022 MRS Fall Meeting. 2022 招待講演
  2. TANG, Daiming, Dmitry G. Kvashnin, CRETU, Ovidiu, Guohai Chen, Don N. Futaba, Yongjia Zheng, Rong Xiang, Shigeo Maruyama, Hui-Ming Cheng, BANDO, Yoshio, Chang Liu, Pavel B. Sorokin, GOLBERG, Dmitri. Semiconductor nanochannels in metallic carbon nanotubes by thermomechanical chirality alteration. The 62nd Fullerenes-Nanotubes-Graphene General Symposium. 2022
2021
  1. KIMOTO, Koji, KIKKAWA, Jun, CRETU, Ovidiu. Material characterization using advanced transmission electron microscopy. The 10th International Workshop on Advanced Materials Science and Nanotechnology – IWAMSN 2021. 2021 招待講演
  2. CRETU Ovidiu, ISHIZUKA Akimitsu, YANAGISAWA Keiichi, ISHIZUKA Kazuo, KIMOTO Koji. Atomic-Level Electrical Field Mapping of Hexagonal Boron Nitride. 日本顕微鏡学会第７７回学術講演会 (The 77th Annual Meeting of The Japanese Society of Microscopy) http://conference.wdc-jp.com/microscopy/conf2021/index.html. 2021
2020
  1. 木本 浩司, 吉川 純, コレツ オヴィヂュ, 柳澤 圭一, 石塚 和夫. 走査透過電子顕微鏡法(STEM)入門. 日本顕微鏡学会第63回シンポジウム. 2020 招待講演
2019
  1. 木本 浩司, 柳澤 圭一, 吉川 純, 長井 拓郎, コレツ オヴィヂュ. 結晶構造解析を可能とするＳＴＥＭイメージングの要素. 日本顕微鏡学会　第75回学術講演会. 2019 招待講演
2018
  1. ゾウ シン, Feng-Chun Hsia, Yanming Xue, 湯 代明, コレツ オヴィヂュ, Chao Zhang, 三留 正則, 板東 義雄, 佐々木 高義, ゴルバーグ デミトリ. Tunable Mechanical and Electrical Properties of Coaxial BN-C Nanotubes as Revealed by in-situ Transmission Electron Microscopy. Tsukuba Global Science Week 2018. 2018
  2. コレツ オヴィヂュ, ザン チャオ, ムーア キャサリン エリザベス, ゴルバーグ デミトリ. In-situ experiments on 1D nanoscale objects inside the TEM. MANA International Symposium 2018. 2018
2017
  1. CRETU, Ovidiu, ZHANG, Chao, GOLBERG, Dmitri. Cathodoluminescence Mapping of Defect Regions in Cadmium Sulfide Nanowires. Microscopy & Microanalysis 2017. 2017
  2. ゴルバーグ デミトリ, コレツ オヴィヂュ. Nanotube, Nanowire and Nanosheet Manipulations and Physical Property Analysis in a High-Resolution TEM. MRS Spring Meeting. 2017 招待講演
2016
  1. ムーア キャサリン エリザベス, コレツ オヴィヂュ, ゴルバーグ デミトリ. In situ cyclic telescoping of multi-walled carbon nanotubes. European Microscopy Congress. 2016
  2. ムーア キャサリン エリザベス, コレツ オヴィヂュ, ゴルバーグ デミトリ. In situ HRTEM cyclic telescoping of multi-walled carbon nanotubes . MANA International Symposium 2016. 2016

その他の文献 TSV

公開特許出願 TSV

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