Search Results - "Arashida, Yusuke"

Terahertz Scanning Tunneling Microscopy for Visualizing Ultrafast Electron Motion in Nanoscale Potential Variations by Yoshida, Shoji, Arashida, Yusuke, Hirori, Hideki, Tachizaki, Takehiro, Taninaka, Atsushi, Ueno, Hiroki, Takeuchi, Osamu, Shigekawa, Hidemi

“…Studying the microscopic behavior of free carriers in materials at an ultrashort time scale is critical to developing semiconductor, optoelectronic, and other…”
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High-throughput terahertz spectral line imaging using an echelon mirror by Asai, Gaku, Hata, Daiki, Harada, Shintaro, Kasai, Tatsuki, Arashida, Yusuke, Katayama, Ikufumi

“…This work demonstrates terahertz (THz) line imaging that acquires broadband spectral information by combining echelon-based single-shot THz spectroscopy with…”
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Electronic intraband scattering in a transition-metal dichalcogenide observed by double-excitation ultrafast electron diffraction by Iwasaki, Yui, Fukuda, Takumi, Noyama, Godai, Akei, Mizuki, Shigekawa, Hidemi, Fons, Paul J., Hase, Muneaki, Arashida, Yusuke, Hada, Masaki

“…Electronic dynamics in the excited state of transition-metal dichalcogenides (TMDs) has attracted great interest. To understand the ultrafast intraband…”
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Time-resolved force microscopy using the delay-time modulation method by Mogi, Hiroyuki, Wakabayashi, Rin, Yoshida, Shoji, Arashida, Yusuke, Taninaka, Atsushi, Iwaya, Katsuya, Miura, Takeshi, Takeuchi, Osamu, Shigekawa, Hidemi

“…We developed a time-resolved force microscopy technique by integrating atomic force microscopy using a tuning-fork-type cantilever with the delay time…”
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Cell-Level Analysis Visualizing Photodynamic Therapy with Porphylipoprotein and Talaporphyrin Sodium by Kamiyanagi, Mayuka, Taninaka, Atsushi, Ugajin, Shunta, Nagoshi, Yu, Kurokawa, Hiromi, Ochiai, Takahiro, Arashida, Yusuke, Takeuchi, Osamu, Matsui, Hirofumi, Shigekawa, Hidemi

“…We revealed the difference in the mechanism of photodynamic therapy (PDT) between two photosensitizers: porphylipoprotein (PLP), which has recently attracted…”
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Selective Reduction Mechanism of Graphene Oxide Driven by the Photon Mode versus the Thermal Mode by Hada, Masaki, Miyata, Kiyoshi, Ohmura, Satoshi, Arashida, Yusuke, Ichiyanagi, Kohei, Katayama, Ikufumi, Suzuki, Takayuki, Chen, Wang, Mizote, Shota, Sawa, Takayoshi, Yokoya, Takayoshi, Seki, Toshio, Matsuo, Jiro, Tokunaga, Tomoharu, Itoh, Chihiro, Tsuruta, Kenji, Fukaya, Ryo, Nozawa, Shunsuke, Adachi, Shin-ichi, Takeda, Jun, Onda, Ken, Koshihara, Shin-ya, Hayashi, Yasuhiko, Nishina, Yuta

“…A two-dimensional nanocarbon, graphene, has attracted substantial interest due to its excellent properties. The reduction of graphene oxide (GO) has been…”
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Observation of ultrafast amorphization dynamics in GeCu2Te3 thin films using echelon-based single-shot transient absorbance spectroscopy by Arashida, Yusuke, Suzuki, Takayuki, Nara, Shuhei, Katayama, Ikufumi, Minami, Yasuo, Shindo, Satoshi, Sutou, Yuji, Saiki, Toshiharu, Takeda, Jun

“…The compound GeCu2Te3 (GCT) has attracted considerable attention because of its several advantages for next-generation nonvolatile memories, including its…”
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Subcycle Mid-Infrared Electric-Field-Driven Scanning Tunneling Microscopy with a Time Resolution Higher Than 30 fs by Arashida, Yusuke, Mogi, Hiroyuki, Ishikawa, Masashi, Igarashi, Ippo, Hatanaka, Akira, Umeda, Naoki, Peng, Jinbo, Yoshida, Shoji, Takeuchi, Osamu, Shigekawa, Hidemi

“…Electric-field-driven scanning tunneling microscopy (STM) that uses carrier envelope phase-controlled pulses in the THz region (THz-STM) has been attracting…”
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Nanoscale phase change on Ge2Sb2Te5 thin films induced by optical near fields with photoassisted scanning tunneling microscope by Asakawa, Kanta, Kim, Dang-il, Yaguchi, Shotaro, Tsujii, Mikito, Yoshioka, Katsumasa, Kaneshima, Keisuke, Arashida, Yusuke, Yoshida, Shoji, Shigekawa, Hidemi, Kuwahara, Masashi, Katayama, Ikufumi, Takeda, Jun

“…A scanning probe microscope coupled with either femtosecond laser pulses or terahertz pulses holds great promise not only for observing ultrafast phenomena but…”
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Pulse-to-pulse ultrafast dynamics of highly photoexcited Ge2Sb2Te5 thin films by Kobayashi, Masataka, Arashida, Yusuke, Asakawa, Kanta, Kaneshima, Keisuke, Kuwahara, Masashi, Konishi, Kuniaki, Yumoto, Junji, Kuwata-Gonokami, Makoto, Takeda, Jun, Katayama, Ikufumi

“…Observing ultrafast pulse-to-pulse dynamics of highly photoexcited materials could foster a comprehensive understanding of the initial stage of irreversible…”
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Ultrafast nanoscale exciton dynamics via laser-combined scanning tunneling microscopy in atomically thin materials by Mogi, Hiroyuki, Arashida, Yusuke, Kikuchi, Ryusei, Mizuno, Ryosuke, Wakabayashi, Jun, Wada, Naoki, Miyata, Yasumitsu, Taninaka, Atsushi, Yoshida, Shoji, Takeuchi, Osamu, Shigekawa, Hidemi

“…Long-term stable excitons, bound pairs of electrons and holes, in van der Waals materials were found to be handled at room temperature, paving the way to…”
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Polphylipoprotein-induced autophagy mechanism with high performance in photodynamic therapy by Taninaka, Atsushi, Kurokawa, Hiromi, Kamiyanagi, Mayuka, Ochiai, Takahiro, Arashida, Yusuke, Takeuchi, Osamu, Matsui, Hirofumi, Shigekawa, Hidemi

“…Polphylipoprotein (PLP) is a recently developed nanoparticle with high biocompatibility and tumor selectivity, and which has demonstrated unprecedentedly high…”
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Sub-cycle Manipulation of Electrons in a Tunnel Junction with Phase-controlled Single-cycle THz Near-fields by Yoshioka, Katsumasa, Katayama, Ikufumi, Arashida, Yusuke, Ban, Atsuhiko, Kawada, Yoichi, Takahashi, Hironori, Takeda, Jun

“…By utilizing terahertz scanning tunneling microscopy (THz-STM) with a carrier envelope phase shifter for broadband THz pulses, we could successfully control…”
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Ultrafast carrier generation in Bi1-xSbx thin films induced by intense monocycle terahertz pulses by Katayama, Ikufumi, Kawakami, Hiroki, Araki, Kotaro, Arashida, Yusuke, Minami, Yasuo, Lie-Wei Nien, Handegard, Orjan Sele, Nagao, Tadaaki, Kitajima, Masahiro, Takeda, Jun

“…Using terahertz-pump and terahertz-probe spectroscopy, we investigated terahertz-induced carrier generation processes in Bi1-xSbx thin films. The field…”
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Tailoring Single-Cycle Near Field in a Tunnel Junction with Carrier-Envelope Phase-Controlled Terahertz Electric Fields by Yoshioka, Katsumasa, Katayama, Ikufumi, Arashida, Yusuke, Ban, Atsuhiko, Kawada, Yoichi, Konishi, Kuniaki, Takahashi, Hironori, Takeda, Jun

“…Light-field-driven processes occurring under conditions far beyond the diffraction limit of the light can be manipulated by harnessing spatiotemporally tunable…”
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Photoinduced Structural Dynamics of 2H-MoTe2 Under Extremely High-Density Excitation Conditions by Fukuda, Takumi, Ozaki, Uta, Jeong, Samuel, Arashida, Yusuke, En-ya, Kaito, Yoshida, Shoji, Fons, Paul J., Fujita, Jun-ichi, Ueno, Keiji, Hase, Muneaki, Hada, Masaki

“…Through interband photoexcitation, a representative transition metal dichalcogenide (TMD) material, MoTe2, can undergo various phenomena such as photothermal…”
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Subcycle Transient Scanning Tunneling Spectroscopy with Visualization of Enhanced Terahertz Near Field by Yoshida, Shoji, Hirori, Hideki, Tachizaki, Takehiro, Yoshioka, Katsumasa, Arashida, Yusuke, Wang, Zi-Han, Sanari, Yasuyuki, Takeuchi, Osamu, Kanemitsu, Yoshihiko, Shigekawa, Hidemi

“…The recent development of optical technology has enabled the practical use of a carrier-envelope phase-controlled monocycle electric field in the terahertz…”
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Photoinduced Structural Dynamics of 2H-MoTe 2 Under Extremely High-Density Excitation Conditions by Fukuda, Takumi, Ozaki, Uta, Jeong, Samuel, Arashida, Yusuke, En-ya, Kaito, Yoshida, Shoji, Fons, Paul J., Fujita, Jun-ichi, Ueno, Keiji, Hase, Muneaki, Hada, Masaki

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Simultaneous acquisition of complex transmittance and birefringence with two counter-rotating, circularly polarized THz pulses by Kawada, Yoichi, Yoshioka, Katsumasa, Arashida, Yusuke, Katayama, Ikufumi, Takeda, Jun, Takahashi, Hironori

“…Here we demonstrate simultaneous measurements of the complex transmittance and birefringence using left- and right-handed circularly polarized terahertz (THz)…”
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Visualizing the Transient Response of Local Potentials on Photoconductive Antennas Using Scanning Ultrafast Electron Microscopy by Arashida, Yusuke, Jeong, Samuel, Kawasaki, Kouhei, Emoto, Yuga, Noyama, Godai, Hada, Masaki, Kishibe, Yoshiya, Shigekawa, Hidemi, Akada, Keishi, Yoshida, Shoji, Fujita, Jun-ichi

“…Scanning electron microscopy (SEM) has been widely used to evaluate nanoscale images of materials and devices by measuring the current of secondary electrons…”
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