Crystal Structure Modification and Dielectric Properties of Sr- and La-Containing A2B2O7 Thin Films for High-Temperature Operational Film Capacitors

Authors: Takahiro Nagata, Toyohiro Chikyow, Akira Ando

Source: ACS Omega, Vol 9, Iss 24, Pp 25968-25975 (2024)

Subject Terms: Chemistry, QD1-999

File Description: electronic resource

Relation: https://doaj.org/toc/2470-1343

Access URL: https://doaj.org/article/57d725ac48df420d9ea9e0449142737f

Direct feature extraction from two-dimensional X-ray diffraction images of semiconductor thin films for fabrication analysis

Authors: Akihiro Yamashita, Takahiro Nagata, Shinjiro Yagyu, Toru Asahi, Toyohiro Chikyow

Source: Science and Technology of Advanced Materials: Methods, Vol 2, Iss 1, Pp 23-37 (2022)

Subject Terms: two-dimensional x-ray diffraction, thin films, machine learning, feature extraction, dimensionality reduction, non-negative matrix factorization, variational autoencoder, Materials of engineering and construction. Mechanics of materials, TA401-492

File Description: electronic resource

Relation: https://doaj.org/toc/2766-0400

Access URL: https://doaj.org/article/f9d856bee0b7481dbf3e171df1803deb

Kerr effect microscope combined with a pulse magnet to observe high-entropy alloys fabricated using combinatorial technology

Authors: Shinjiro Yagyu, Tadashi Mitsui, Toyohiro Chikyow, Takahiro Nagata

Source: Science and Technology of Advanced Materials: Methods, Vol 1, Iss 1, Pp 192-199 (2021)

Subject Terms: kerr effect microscope, combinatorial technology, pulse magnet, Materials of engineering and construction. Mechanics of materials, TA401-492

File Description: electronic resource

Relation: https://doaj.org/toc/2766-0400

Access URL: https://doaj.org/article/8fbd26e77ddb4216bc23af7a73999ee6

Mesostructured HfO2/Al2O3 Composite Thin Films with Reduced Leakage Current for Ion-Conducting Devices

Authors: Mohamed Barakat Zakaria, Takahiro Nagata, Toyohiro Chikyow

Source: ACS Omega, Vol 4, Iss 12, Pp 14680-14687 (2019)

Subject Terms: Chemistry, QD1-999

File Description: electronic resource

Relation: https://doaj.org/toc/2470-1343

Access URL: https://doaj.org/article/205bd5930c5a41b6ba22e4ffd23417b6

Comparative Study of Charge Trapping Type SOI-FinFET Flash Memories with Different Blocking Layer Materials

Authors: Yongxun Liu, Toshihide Nabatame, Takashi Matsukawa, Kazuhiko Endo, Shinichi O'uchi, Junichi Tsukada, Hiromi Yamauchi, Yuki Ishikawa, Wataru Mizubayashi, Yukinori Morita, Shinji Migita, Hiroyuki Ota, Toyohiro Chikyow, Meishoku Masahara

Source: Journal of Low Power Electronics and Applications, Vol 4, Iss 2, Pp 153-167 (2014)

Subject Terms: charge trapping (CT), flash memory, silicon on insulator (SOI), FinFET, blocking layer, high-k metal gate, variability, Applications of electric power, TK4001-4102

File Description: electronic resource

Relation: http://www.mdpi.com/2079-9268/4/2/153; https://doaj.org/toc/2079-9268

Access URL: https://doaj.org/article/3e635bb4b22f44f3b06ee54bc2dd1256

Theory of Fermi Level Pinning of High-k Dielectrics

Authors: Kenji Shiraishi, Yasushi Akasaka, Naoto Umezawa, Yasuo Nara, Keisaku Yamada, Hideki Takeuchi, Heiji Watanabe, Toyohiro Chikyow, Tsu-Jae King Liu

Source: 2006 International Conference on Simulation of Semiconductor Processes and Devices Simulation of Semiconductor Processes and Devices, 2006 International Conference on. :306-313 Sep, 2006

Relation: 2006 International Conference on Simulation of Semiconductor Processes and Devices

Prediction of optically-active transitions in type-VIII guest-free silicon clathrate Si46: A comparative study of its physical properties with type-I counterpart through first-principles.

Authors: Mahammedi, Nassim Ahmed^1,2,3, n.mahammedi@lagh-univ.dz, Ferhat, Marhoun^2,4, Takao Tsumuraya⁵, Toyohiro Chikyow³

Source: Journal of Applied Physics; 11/28/2017, Vol. 122 Issue 20, p1-11, 11p

Prediction of optically-active transitions in type-VIII guest-free silicon clathrate Si46: A comparative study of its physical properties with type-I counterpart through first-principles.

Authors: Mahammedi, Nassim Ahmed, Ferhat, Marhoun, Takao Tsumuraya, Toyohiro Chikyow

Source: Journal of Applied Physics; 11/28/2017, Vol. 122 Issue 20, p1-11, 11p

Subject Terms: SILICON, CLATHRATE compounds, DENSITY functional theory, CRYSTAL structure, PHOTOVOLTAIC power generation

Mesostructured HfO2/Al2O3 Composite Thin Films with Reduced Leakage Current for Ion-Conducting Devices.

Authors: Zakaria, Mohamed Barakat, Takahiro Nagata, Toyohiro Chikyow

Source: ACS Omega; 9/17/2019, Vol. 4 Issue 12, p14680-14697, 18p

Mn Self-Doping of Orthorhombic RMnO3 Perovskites: (R0.667Mn0.333)MnO3 with R = Er-Lu.

Authors: Lei Zhang, Gerlach, Dominic, Dönni, Andreas, Toyohiro Chikyow, Yoshio Katsuya, Masahiko Tanaka, Shigenori Ueda, Kazunari Yamaura, Belik, Alexei A.

Source: Inorganic Chemistry; 3/5/2018, Vol. 57 Issue 5, p2773-2781, 9p

Influence of Al2O3 layer insertion on the electrical properties of Ga-In-Zn-O thin-film transistors.

Authors: Kazunori Kurishima^1,2, ce41034@meiji.ac.jp, Toshihide Nabatame³, NABATAME.Toshihide@nims.go.jp, Maki Shimizu⁴, Nobuhiko Mitoma⁴, Takio Kizu⁴, Shinya Aikawa⁴, Kazuhito Tsukagoshi⁴, Akihiko Ohi⁵, Toyohiro Chikyow², Atsushi Ogura¹

Source: Journal of Vacuum Science & Technology: Part A-Vacuums, Surfaces & Films; Nov/Dec2015, Vol. 33 Issue 6, p1-6, 6p

Influence of Al2O3 layer insertion on the electrical properties of Ga-In-Zn-O thin-film transistors.

Authors: Kazunori Kurishima, Toshihide Nabatame, Maki Shimizu, Nobuhiko Mitoma, Takio Kizu, Shinya Aikawa, Kazuhito Tsukagoshi, Akihiko Ohi, Toyohiro Chikyow, Atsushi Ogura

Source: Journal of Vacuum Science & Technology: Part A-Vacuums, Surfaces & Films; Nov/Dec2015, Vol. 33 Issue 6, p1-6, 6p

Subject Terms: ALUMINUM oxide, ZINC oxide thin films, THIN film transistors, COVALENT bonds, MAGNETRON sputtering, ATOMIC layer deposition

Nanochannel effect in polymer nanowire transistor with highly aligned polymer chains.

Authors: Seungjun Oh¹, Ryoma Hayakawa¹, Toyohiro Chikyow¹, Yutaka Wakayama^1,2, WAKAYAMA.Yutaka@nims.go.jp

Source: Applied Physics Letters; 6/15/2015, Vol. 106 Issue 24, p1-4, 4p, 2 Diagrams, 1 Chart, 2 Graphs

Spectroscopic and crystallographic anomalies of (Co1-xZnx)Al2O4 spinel oxide.

Authors: Takayuki Nakane, Takashi Naka, Koichi Sato, Minori Taguchi, Minako Nakayama, Tadashi Mitsui, Akiyuki Matsushita, Toyohiro Chikyow

Source: Dalton Transactions: An International Journal of Inorganic Chemistry; 2015, Vol. 44 Issue 3, p997-1008, 12p

Subject Terms: SPECTRUM analysis, CRYSTALLOGRAPHY, SPINEL, KIRKENDALL effect, GENETIC mutation

Effect of niobium doping on the optical and electrical properties in titanium dioxide grown by pulsed laser deposition.

Authors: Hyojung Bae¹, Jun-Seok Ha¹, Seunghwan Park¹, Toyohiro Chikyow¹, Jiho Chang¹, Dongcheol Oh¹

Source: Journal of Vacuum Science & Technology: Part B-Nanotechnology & Microelectronics; Sep/Oct2012, Vol. 30 Issue 5, p1-4, 4p

Continuous synthesis of organic–inorganic hybridized cubic nanoassemblies of octahedral cerium oxide nanocrystals and hexanedioic acid.

Authors: Seiichi TakamiPresent address: IMRAM, Tohoku University, 2-1-1 Katahira, Sendai, 980-8577, Japan. Email: stakami@tagen.tohoku.ac.jp, Satoshi Ohara, Tadafumi Adschiri, Yutaka Wakayama, Toyohiro Chikyow

Source: Dalton Transactions: An International Journal of Inorganic Chemistry; Oct2008, Vol. 2008 Issue 40, p5442-5446, 5p

Subject Terms: INORGANIC compounds, NANOCRYSTALS, ADIPIC acid, CERIUM

Self-Assembled Molecular Nanowires of 6,13-Bis(methylthio)pentacene: Growth, Electrical Properties, and Applications.

Authors: Yutaka Wakayama, Kenji Kobayashi, Ryoma Hayakawa, Toyohiro Chikyow, Shinichi Machida, Tomonobu Nakayama, Stefan Egger, Dimas G. de Oteyza, Helmut Dosch

Source: Nano Letters; Aug2008, Vol. 8 Issue 10, p3273-3277, 5p

Effects of substrate self-bias and nitrogen flow rate on non-polar AlN film growth by reactive sputtering.

Authors: Kota Tatejima, Takahiro Nagata, Keiji Ishibashi, Kenichiro Takahashi, Setsu Suzuki, Atsushi Ogura, Toyohiro Chikyow

Source: Japanese Journal of Applied Physics; 6/2/2019, Vol. 58 Issue SD, p1-1, 1p

Reaction mechanism of ZrO x metal resists with extreme ultraviolet irradiation.

Authors: Yoshiyuki Yamashita, Toyohiro Chikyow, Julius Joseph Santillan, Toshiro Itani

Source: Japanese Journal of Applied Physics; 6/2/2019, Vol. 58 Issue SD, p1-1, 1p

Photoelectron spectroscopic study of electronic states and surface structure of an in situ cleaved In2O3 (111) single crystal.

Authors: Takahiro Nagata, Oliver Bierwagen, Zbigniew Galazka, Masataka Imura, Shigenori Ueda, Yoshiyuki Yamashita, Toyohiro Chikyow

Source: Japanese Journal of Applied Physics; 6/2/2019, Vol. 58 Issue SD, p1-1, 1p