Search Results - "Okamura, Hidekazu"

Infrared and Raman Spectroscopic Study of Methane Clathrate Hydrates at Low Temperatures and High Pressures: Dynamics and Cage Occupancy of Methane by Noguchi, Naoki, Yonezawa, Takuya, Yokoi, Yuu, Tokunaga, Tomoki, Moriwaki, Taro, Ikemoto, Yuka, Okamura, Hidekazu

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Improvement of infrared near-field spectrum by asymmetric interferometer configuration by Ikemoto, Yuka, Okamura, Hidekazu, Moriwaki, Taro, Suto, Hitoshi, Kinoshita, Toyohiko

“…Infrared synchrotron radiation (IR-SR) is a highly brilliant white light source. We are developing an infrared near-field spectroscopy system with an IR-SR…”
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Development of scattering near-field optical microspectroscopy apparatus using an infrared synchrotron radiation source by Ikemoto, Yuka, Ishikawa, Michio, Nakashima, Satoru, Okamura, Hidekazu, Haruyama, Yuichi, Matsui, Shinji, Moriwaki, Taro, Kinoshita, Toyohiko

“…We report the status of a scattering near-field microspectroscopy apparatus developed at SPring-8 using an infrared synchrotron radiation (IR-SR) source. It…”
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Universal scaling in the dynamical conductivity of heavy fermion Ce and Yb compounds by OKAMURA, Hidekazu, WATANABE, Tatsuya, TAKABATAKE, Toshiro, NANBA, Takao, MATSUNAMI, Masaharu, NISHIHARA, Tomohisa, TSUJII, Naohito, EBIHARA, Takao, SUGAWARA, Hitoshi, SATO, Hideyuki, ONUKI, Yoshichika, ISIKAWA, Yosikazu

“…Dynamical conductivity spectra [σ(ω)] have been measured for many heavy-fermion (HF) Ce and Yb compounds. A characteristic excitation peak has been observed in…”
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Pseudogap formation and heavy-carrier dynamics in intermediate-valence YbAl3 by OKAMURA, Hidekazu, MICHIZAWA, Takahiro, NANBA, Takao, EBIHARA, Takao

“…Infrared optical conductivity [σ(ω)] of the intermediate-valence compound YbAl3 has been measured at temperatures 8-690 K to study its microscopic electronic…”
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Optical Conductivity and Electronic Structure of CeRu4Sb12 under High Pressure by Okamura, Hidekazu, Kitamura, Ryosuke, Matsunami, Masaharu, Sugawara, Hitoshi, Harima, Hisatomo, Sato, Hideyuki, Moriwaki, Taro, Ikemoto, Yuka, Nanba, Takao

“…Optical conductivity [$\sigma(\omega)$] of Ce-filled skutterudite CeRu 4 Sb 12 has been measured at high pressure to 8 GPa and at low temperature, to probe the…”
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Indirect and direct energy gaps in kondo semiconductor YbB12 by OKAMURA, Hidekazu, MICHIZAWA, Takahiro, NANBA, Takao, KIMURA, Shin-Ichi, IGA, Fumitoshi, TAKABATAKE, Toshiro

“…The optical conductivity [σ(ω)] of the Kondo semiconductor YbB12 has been measured over wide ranges of temperature (T=8-690 K) and photon energy (hω≥1.3 meV)…”
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Photoinduced Dynamics in Pure and Ca-Doped SrTiO3 Studied by Transient Birefringence and Absorption Measurements by Kohmoto, Toshiro, Koyama, Yuka, Moriyasu, Takeshi, Okamura, Hidekazu, Yamada, Yasuhiro, Tanaka, Koichiro

“…The photoinduced dynamics of the lattice deformation and the relaxed excited state in SrTiO 3 is studied by stationary- and transient-birefringence and…”
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Gap formation in the filled skutterudite CeOs4Sb12 by MATSUNAMI, Masaharu, OKAMURA, Hidekazu, NANBA, Takao, SUGAWARA, Hitoshi, SATO, Hideyuki

“…We have studied the optical conductivity of the filled skutterudite CeOs4Sb12. The optical conductivity spectra show a strong temperature dependence and reveal…”
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Photogenerated carriers in SrTiO3 probed by mid-infrared absorption by OKAMURA, Hidekazu, MATSUBARA, Masato, TANAKA, Koichiro, FUKUI, Kazutoshi, TERAKAMI, Mitsushi, NAKAGAWA, Hideyuki, IKEMOTO, Yuka, MORIWAKI, Taro, KIMURA, Hiroaki, NANBA, Takao

“…Infrared absorption spectra of SrTiO3 have been measured under above-band-gap photoexcitations to study the properties of photogenerated carriers, which should…”
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Optical Conductivity and Electronic Structures in Ce-Filled Skutterudites by Matsunami, Masaharu, Okamura, Hidekazu, Senoo, Kazuyoshi, Nagano, Shuhei, Sekine, Chihiro, Shirotani, Ichimin, Sugawara, Hitoshi, Sato, Hideyuki, Nanba, Takao

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Near-Field Spectroscopy with Infrared Synchrotron Radiation Source by Ikemoto, Yuka, Moriwaki, Taro, Kinoshita, Toyohiko, Ishikawa, Michio, Nakashima, Satoru, Okamura, Hidekazu

“…We report the results of near-field spectroscopy measurements performed using a scanning near-field optical microscopy system combined with an infrared…”
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Application of a Modulating Technique to Detect Near-Field Signals Using a Conventional IR Spectrometer with a Ceramic Light Source by Ishikawa, Michio, Katsura, Makoto, Nakashima, Satoru, Aizawa, Kento, Inoue, Tsutomu, Ikemoto, Yuka, Okamura, Hidekazu

“…The goal of the present study is to obtain broadband near-field infrared (IR) spectra by combining Fourier-transform infrared spectroscopy (FTIR) with…”
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Infrared study of spin crossover Fe-picolylamine complex by OKAMURA, Hidekazu, MATSUBARA, Masato, TAYAGAKI, Takeshi, TANAKA, Koichiro, IKEMOTO, Yuka, KIMURA, Hiroaki, MORIWAKI, Taro, NANBA, Takao

“…Infrared (IR) absorption spectroscopy has been used to probe the evolution of microscopic vibrational states upon the temperature- and photo-induced spin…”
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Carrier-induced Magnetic Circular Dichloism in the Magnetoresistive Pyrochlore Tl2Mn2O7 by Okamura, Hidekazu, Koretsune, Toshihisa, Kimura, Shin-ichi, Nanba, Takao, Imai, Hideto, Shimakawa, Yuichi, Kubo, Yoshimi

“…Infrared magnetic circular dichloism (MCD), or equivalently magneto-optical Kerr effect, has been measured on the Tl2Mn2O7 pyrochlore, which is well known for…”
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Infrared and Terahertz Spectroscopy of Strongly Correlated Electron Systems under Extreme Conditions by Kimura, Shin-ichi, Okamura, Hidekazu

“…Owing to its high brilliance, infrared and terahertz synchrotron radiation (IR/THz-SR) has emerged as a powerful tool for spectroscopy under extreme (i.e.,…”
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Optical Conductivity of CeNiSn, CeRhSb, and CeRhAs by Matsunami, Masaharu, Okamura, Hidekazu, Nanba, Takao, Suemitsu, Toshiaki, Yoshino, Takenobu, Takabatake, Toshiro, Isikawa, Yosikazu, Harima, Hisatomo

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Infrared spectroscopy techniques for studying the electronic structures of materials under high pressure by Okamura, Hidekazu, Ikemoto, Yuka, Moriwaki, Taro, Nanba, Takao

“…In this article, we describe our high-pressure infrared (IR) spectroscopy techniques for studying the electronic structures of materials at high pressures…”
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Pressure Induced Spectral Redistribution due to Te2 Dimer Breaking in AuTe2 by Ootsuki, Daiki, Okamura, Hidekazu, Mitsumoto, Shogo, Ikemoto, Yuka, Moriwaki, Taro, Arita, Masashi, Yoshida, Teppei, Kudo, Kazutaka, Ishii, Hiroyuki, Nohara, Minoru, Mizokawa, Takashi

“…We report the electronic structure of a natural mineral calaverite AuTe2 under high pressure by means of the infrared spectroscopy. The optical conductivity at…”
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Pressure Induced Spectral Redistribution due to Te 2 Dimer Breaking in AuTe 2 by Ootsuki, Daiki, Okamura, Hidekazu, Mitsumoto, Shogo, Ikemoto, Yuka, Moriwaki, Taro, Arita, Masashi, Yoshida, Teppei, Kudo, Kazutaka, Ishii, Hiroyuki, Nohara, Minoru, Mizokawa, Takashi

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