Search Results - "Agulto, Verdad C."

Ultrafast visualization of an electric field under the Lorentz transformation by Ota, Masato, Kan, Koichi, Komada, Soichiro, Wang, Youwei, Agulto, Verdad C., Mag-usara, Valynn Katrine, Arikawa, Yasunobu, Asakawa, Makoto R., Sakawa, Youichi, Matsui, Tatsunosuke, Nakajima, Makoto

“…In special relativity, four-vectors, such as space–time, energy–momentum and electromagnetic potential vectors, follow the Lorentz transformation. The…”
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A Study of Terahertz-Wave Cylindrical Super-Oscillatory Lens for Industrial Applications by Iba, Ayato, Ikeda, Makoto, Agulto, Verdad C, Mag-Usara, Valynn Katrine, Nakajima, Makoto

“…This paper describes the design and development of a cylindrical super-oscillatory lens (CSOL) for applications in the sub-terahertz frequency range, which are…”
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Terahertz time-domain ellipsometry with high precision for the evaluation of GaN crystals with carrier densities up to 1020 cm−3 by Agulto, Verdad C., Iwamoto, Toshiyuki, Kitahara, Hideaki, Toya, Kazuhiro, Mag-usara, Valynn Katrine, Imanishi, Masayuki, Mori, Yusuke, Yoshimura, Masashi, Nakajima, Makoto

“…Gallium nitride (GaN) is one of the most technologically important semiconductors and a fundamental component in many optoelectronic and power devices…”
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Sub-Diffraction Focusing Using Metamaterial-Based Terahertz Super-Oscillatory Lens by Iba, Ayato, Ikeda, Makoto, Mag-usara, Valynn Katrine, Agulto, Verdad C., Nakajima, Makoto

“…This paper presents a metamaterial-based super-oscillatory lens (SOL) fabricated by photolithography on a glass substrate and designed to operate at…”
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Photoluminescence and enhanced photocatalytic activity of mechanically activated graphite-zinc oxide composites by Agulo, Ian Jasper, Rosario, Princess, Yague, Krystelle, Balod, Mary Joy, Empizo, Melvin John F, Agulto, Verdad C, Shimizu, Toshihiko, Madarang, May Angelu, Ngaloy, Roselle, Sarukura, Nobuhiko

“…Abstract In this work, we show evidence of enhanced photocatalytic activity in mechanically activated graphite-zinc oxide (ZnO) composites using time-resolved…”
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Synthesis, optical properties, and band structures of a series of layered mixed-anion compounds by Iwasa, Yuki, Ogino, Hiraku, Song, Dongjoon, Agulto, Verdad C., Yamanoi, Kohei, Shimizu, Toshihiko, Ueda, Jumpei, Hongo, Kenta, Maezono, Ryo, Tanabe, Setsuhisa, Sarukura, Nobuhiko

“…We report the synthesis and luminescence properties as well as band structure of a series of layered mixed-anion compounds, including a new layered mixed anion…”
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Anisotropic complex refractive index of β-Ga2O3 bulk and epilayer evaluated by terahertz time-domain spectroscopy by Agulto, Verdad C., Toya, Kazuhiro, Phan, Thanh Nhat Khoa, Mag-usara, Valynn Katrine, Li, Jiajun, Empizo, Melvin John F., Iwamoto, Toshiyuki, Goto, Ken, Murakami, Hisashi, Kumagai, Yoshinao, Sarukura, Nobuhiko, Yoshimura, Masashi, Nakajima, Makoto

“…Homoepitaxial film and semi-insulating bulk β-Ga2O3 with (001) orientation were studied using terahertz time-domain spectroscopy (THz-TDS) in the frequency…”
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Observation of 2D-magnesium-intercalated gallium nitride superlattices by Wang, Jia, Cai, Wentao, Lu, Weifang, Lu, Shun, Kano, Emi, Agulto, Verdad C., Sarkar, Biplab, Watanabe, Hirotaka, Ikarashi, Nobuyuki, Iwamoto, Toshiyuki, Nakajima, Makoto, Honda, Yoshio, Amano, Hiroshi

“…Since the demonstration of p-type gallium nitride (GaN) through doping with substitutional magnesium (Mg) atoms 1 , 2 , rapid and comprehensive developments,…”
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Characterization of electrical properties of β-Ga2O3 epilayer and bulk GaAs using terahertz time-domain ellipsometry by Iwamoto, Toshiyuki, Agulto, Verdad C., Liu, Shuang, Wang, Youwei, Mag-usara, Valynn Katrine, Fujii, Takashi, Goto, Ken, Kumagai, Yoshinao, Nakajima, Makoto

“…The electrical properties of beta-gallium oxide (β-Ga2O3) and gallium arsenide semiconductors were characterized using the emerging terahertz time-domain…”
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Porous Mn 2+ Magnet with a Pt-Cl Framework: Correlation between Water Vapor Adsorption/Desorption and Slow Magnetic Relaxation by Nakajima, Hirotaka, Uchida, Kaiji, Yoshida, Takefumi, Horii, Yoji, Sato, Tetsu, Luming, Zhang, Yamashita, Satoshi, Nakazawa, Yasuhiro, Agulto, Verdad C, Nakajima, Makoto, Breedlove, Brian K, Yamashita, Masahiro, Iguchi, Hiroaki, Takaishi, Shinya

“…We report the water adsorption/desorption behavior and dynamic magnetic properties of the Pt-Cl chain complex [{[Pt(en) ][PtCl (en) ]} ][{(MnCl )Cl } ] ⋅ 12H O…”
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Porous Mn2+ Magnet with a Pt−Cl Framework: Correlation between Water Vapor Adsorption/Desorption and Slow Magnetic Relaxation by Nakajima, Hirotaka, Uchida, Kaiji, Yoshida, Takefumi, Horii, Yoji, Sato, Tetsu, Luming, Zhang, Yamashita, Satoshi, Nakazawa, Yasuhiro, Agulto, Verdad C., Nakajima, Makoto, Breedlove, Brian K., Yamashita, Masahiro, Iguchi, Hiroaki, Takaishi, Shinya

“…We report the water adsorption/desorption behavior and dynamic magnetic properties of the Pt−Cl chain complex [{[Pt(en)2][PtCl2(en)2]}3][{(MnCl5)Cl3}2] ⋅ 12H2O…”
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Ablation phenomena by intense terahertz vortex beam by Wang, You Wei, Segawa, Sadashi, Shimizu, Tomoki, Agulto, Verdad C., Mag-usara, Valynn Katrine, Kato, Kosaku, Miyamoto, Katsuhiko, Omatsu, Takashige, Makino, Kotaro, Tominaga, Junji, Isoyama, Goro, Asakawa, Makoto, Nakajima, Makoto

“…We have successfully generated a highly efficient terahertz (THz) vortex beam using a THz free-electron laser incident to a spiral phase plate (SPP). The…”
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Nanosecond alpha-ray response and gamma-ray radiation resistance of a hydrothermal-grown bulk ZnO single crystal by Empizo, Melvin John F., Yamanoi, Kohei, Abe, Yuki, Shinohara, Keito, Agulto, Verdad C., Arikawa, Yasunobu, Shimizu, Toshihiko, Yoshimura, Masashi, Sarukura, Nobuhiko, Fukuda, Tsuguo

“…•Bulk ZnO single crystals exhibit nanosecond response under alpha-ray excitation.•Non-irradiated and gamma-ray-irradiated crystals exhibit similar…”
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Picosecond UV emissions of hydrothermal grown Fe3+-doped ZnO microrods by Salazar, Kloudene A., Agulto, Verdad C., Empizo, Melvin John F., Shinohara, Keito, Yamanoi, Kohei, Shimizu, Toshihiko, Sarukura, Nobuhiko, Yago, Allan Christopher C., Kidkhunthod, Pinit, Sattayaporn, Suchinda, Samson, Vallerie Ann I., Sarmago, Roland V.

“…•Fe3+-doped ZnO microrods were fabricated by low-energy hydrothermal method.•Incorporation of 6-coordinated Fe3+ was confirmed using XANES spectroscopy.•Fe…”
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Low-threshold amplified UV emission of optically pumped ZnO-polymer nanocomposites by Agulto, Verdad C., Empizo, Melvin John F., Shinohara, Keito, Micah L. Inguito, Jonah, Magallanes, Bee Jay, Nalayog, Marvin B., Umeno, Daisuke, Salazar, Kloudene A., Judicpa, Mia Angela N., Yamanoi, Kohei, Shimizu, Toshihiko, Yago, Allan Christopher C., Sarmago, Roland V., Sarukura, Nobuhiko

“…•Composites of ZnO nanorods and polymer films were fabricated by wet chemical methods.•ZnO-polymer composites exhibit amplified UV emission unlike the as-grown…”
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Spectroscopic investigation of praseodymium and cerium co-doped 20Al(PO3)3-80LiF glass for potential scintillator applications by Minami, Yuki, Gabayno, Jacque Lynn, Agulto, Verdad C., Lai, Youwei, Empizo, Melvin John F., Shimizu, Toshihiko, Yamanoi, Kohei, Sarukura, Nobuhiko, Yoshikawa, Akira, Murata, Takahiro, Guzik, Malgorzata, Guyot, Yannick, Boulon, Georges, Harrison, John A., Cadatal-Raduban, Marilou

“…The optical properties of 20Al(PO3)3–80LiF (APLF80) glass co-doped with praseodymium (Pr3+) and cerium (Ce3+) ions are explored. By co-doping the host APLF80…”
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Investigation of the optical and electrical properties of zinc oxide by terahertz time domain ellipsometry by Zhao, Zixi, Agulto, Verdad C., Iwamoto, Toshiyuki, Kato, Kosaku, Yamanoi, Kohei, Shimizu, Toshihiko, Sarukura, Nobuhiko, Fujii, Takashi, Fukuda, Tsuguo, Yoshimura, Masashi, Nakajima, Makoto

“…In order to demonstrate the application of terahertz time-domain ellipsometry (THz-TDE) in the characterization of wide-bandgap semiconductors, we studied two…”
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Optical properties of wood biomass material obtained by terahertz ellipsometry by Nakanishi, Atsushi, Agulto, Verdad C., Kato, Kosaku, Iwamoto, Toshiyuki, Satozono, Hiroshi, Nakajima, Makoto

“…Recently, terahertz optical properties of biomass materials have been reported. However, for matrices or fillers with high terahertz wave absorption…”
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Development of Terahertz Time-Domain Rotating-Analyzer Ellipsometry by Agulto, Verdad C., Iwamoto, Toshiyuki, Mag-Usara, Valynn Katrine, Nakajima, Makoto

“…High-precision terahertz (THz) time-domain ellipsometry is developed. The rotating-analyzer technique is newly applied through phase component correction based…”
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Spectral Range Broadening of Multimode-Laser-Driven Terahertz Spectroscopy System Using Two Laser Diodes by Zeng, Yuanhao, Mag-Usara, Valynn Katrine, Agulto, Verdad C., Kato, Kosaku, Ota, Masato, Kuwashima, Fumiyoshi, Yoshimura, Masashi, Nakajima, Makoto

“…We built a terahertz time-domain spectroscopy system that utilizes two continuous-wave multimode laser diodes with slightly different central wavelengths. We…”
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