Search Results:　 1-20 of 62

1

Photoexcited States in Dimer Mott Insulators \kappa-(BEDT-TTF)2X

Tatsumi Tokio , Gomi Hiroki , Takahashi Akira , Hirao Yoshihiro , Aihara Masaki

… The energy eigenstates responsible for the major peaks in the light absorption spectrum are numerically calculated, and their physical properties are investigated. … Inter dimer charge transfer excited states form quite a broad band, and the large bandwidth mainly arises from the distribution of the kinetic energy of the photogenerated doublon and holon. … The band of intra dimer photoexcited states is much narrower because of the isolated nature of the excitation. …

J Phys Soc Jpn 81(3), 034712-034712-12, 2012-03-15

The Physical Society of Japan
2

Measurement Methods of Reflectivity for Electromagnetic Wave Absorber at Wide Frequency Range from MHz to GHz Region [in Japanese]

IGIMI Daisuke , HIGASHIDA Yutaka , IKUHARA Yumi , SASAKI Yukichi , SANO Akihiro , GOMI Manabu , HISHIKAWA Yukio , KAWABE Kenji

カーボンマイクロコイル(CMC)とフェライトの複合材は広帯域わたり電波吸収性能を有することが期待される。その評価を行うため、軸管法、誘電体レンズ法およびホーンアンテナ法によるMHz〜GHz帯域での電波吸収量の測定精度について検討を行った。

IEICE technical report. Electromagnetic compatibility 110(300), 27-31, 2010-11-12

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3

Measurement of Glucose Level Exploiting a Relative Optical Absorption at Discrete Probe Wavelengths

Kim Ki-Do , Son Geun-Sik , Lim Seong-Soo , Lee Sang-Shin

… A practical and viable scheme for measuring the concentration of a glucose solution was proposed and verified based on the relative optical absorbance at discrete probe wavelengths instead of the continuous broad band absorption spectra. …

Jpn J Appl Phys 48(7), 077001-077001-4, 2009-07-25

The Japan Society of Applied Physics
4

Spectroscopy Study on the Location and Distribution of Eu3+ Ions in TiO2 Nanoparticles

Tsuboi Taiju , Setiawati Elly , Kawano Katsuyasu

… the other consists of broad bands. … The former was obtained by indirect excitation into Eu3+ with light of wavelengths shorter than 330 nm, while the latter was obtained by direct excitation into Eu3+ with light of wavelengths longer than 380 nm which correspond to the Eu3+ absorption bands. … In the latter case, different spectra were obtained depending on the excitation wavelength even in the same absorption band. …

Jpn J Appl Phys 47(9), 7428-7435, 2008-09-25

The Japan Society of Applied Physics
5

Water at high temperatures in a microcrystalline silica (chalcedony) by in-situ infrared spectroscopy : physicochemical states and dehydration behavior

FUKUDA Junichi , NAKASHIMA Satoru

… A sharp IR absorption band due to hydroxyls (Si-OH) shifts linearly from 3585 cm－1 at RT to 3599 cm－1 at 400 °C (1.8 cm－1/50 °C). … A broad band due to H2O shifts also linearly from 3425 cm－1 at RT to 3535 cm－1 at 400 °C (15 cm－1/50 °C). …

Journal of Mineralogical and Petrological Sciences 103(2), 112-115, 2008-04-01

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6

Theoretical and Experimental Study of Bis-adducted trans-1 and e isomers of Bis(4-methoxyphenyl)methano[60]fullerene [in Japanese]

TOIDA Tatsuo , SOYA Kozue , UCHIDA Katsumi , ISHII Tadahiro , YAJIMA Hirofumi

本研究ではbis(4-methoxyphenyl)methano[60]fullereneの2付加体を合成し、<I>trans-1</I>異性体及び<I>e</I>異性体の分取を行った。付加数の決定にはFAB MSが確実であり、MALDI-TOF MSは付加数の見かけ上1多いピークが僅かに検出されることがわかった。紫外可視吸収スペクトルは計算（ZIN …

Journal of Computer Chemistry, Japan 5(2), 93-100, 2006-06-15

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7

Cathodoluminescence Microcharacterization and Infrared Spectroscopy of Illite from Fuzerradvany, NE Hungary, Europe(Characterization of Clays,Proceedings of the 13^<th> International Clay Conference)

GUCSIK ARNOLD , NINAGAWA KIYOTAKA , NISHIDO HIROTSUGU , OKUMURA TASUKU , GASHAROVA BILIANA , BIDLO ANDRAS , KOVACS GABOR , HEIL BALINT , POLGARI MARTA

… Illite as a mineral of the mica group was investigated to obtain information concerning its cathodoluminescence and infrared absorption. … Cathodoluminescence spectrum of illite from Fuzerradvany shows a broad band centered at 589nm. …

Clay science 12(Supplement_2), 94-99, 2006-04-00

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8

Structure and Properties of Highly Conductive Langmuir–Blodgett Films Based on Dioctyldimethylammonium–Au(dmit)2 Salt

Takigawa Yuuki , Watanabe Ryo , Morita Shin-ichi , Miura Yasuhiro F. , Sugi Michio

… A distinct absorption band is seen at 287 nm and it increases linearly with the number of layers, indicating a reproducible film deposition for up to 20 layers. … During the post-treatment, the absorption peak decreases together with some shoulders and a broad band appears in the near-infrared (NIR) region with an isosbestic point at 609 nm, indicating the formation of conduction electrons. …

Jpn J Appl Phys 45(1B), 394-396, 2006-01-15

The Japan Society of Applied Physics
9

Study on the Broad-Band Band-Path Filter using Polymer Photorefractive Effect [in Japanese]

FUJIHARA Takashi , SASSA Takafumi , MAMIYA Junichi , UMEGAKI Shinsuke , WADA Tatsuo

ポリマーフォトリフラクティブ効果によっては、分子の再配向による複屈折を利用することで、材料中に、大きな屈折率変調深さを有する光誘起屈折率回折格子を形成することができる。我々は、この効果を利用し、通信帯で動作する分布ブラッグ反射(DBR)を動作原理とする広帯域バンドパスフィルターを提案し評価した。材料の基礎特性として、吸収、屈折率およびDBR素子内に誘起される屈折率変化を見積もり、その結果、アモルフ …

Technical report of IEICE. OME 105(320), 53-58, 2005-10-05

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10

Study on the Broad-Band Band-Path Filter using Polymer Photorefractive Effect [in Japanese]

FUJIHARA Takashi , SASSA Takafumi , MAMIYA Junichi , UMEGAKI Shinsuke , WADA Tatsuo

ポリマーフォトリフラクティブ効果によっては、分子の再配向による複屈折を利用することで、材料中に、大きな屈折率変調深さを有する光誘起屈折率回折格子を形成することができる。我々は、この効果を利用し、通信帯で動作する分布ブラッグ反射(DBR)を動作原理とする広帯域バンドパスフィルターを提案し評価した。材料の基礎特性として、吸収、屈折率およびDBR素子内に誘起される屈折率変化を見積もり、その結果、アモルフ …

Technical report of IEICE. OPE 105(321), 53-58, 2005-10-05

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11

6. Molecular Spectroscopy Techniques Applied for Processing Plasma Diagnostics(<Special Topic Article>Practical Aspects of Molecular Spectroscopy in Plasmas)

SADEGHI Nader

Optical diagnostics are between the most commonly used tools for the characterization of plasmas and for the better understanding of physical and chemical processes controlling their time and space de …

Journal of plasma and fusion research 80(9), 767-776, 2004-09-25

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12

APPLICATION OF MULTIPLE-SECTION RESONATORS TO AIR-CONDITIONING DUCTS : Study on broad-band silencer Part3 [in Japanese]

SASAO Hiroyuki , SUNAGA Nobuyuki

… However, frequency band of noise reduction is limited to one octave which centers on the resonant frequency. … In this thesis, four-section resonator and eight-section resonator for 63Hz and 125Hz band were designed by using the design technique by the optimization technique. …

Journal of environmental engineering (566), 39-45, 2003-04-30

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13

Photoluminesence Properties of Nanocrystalline Si Dots Fabricated by RF Plasma-Enhanced Chemical Vapor Deposition of SiCl_4 and H_2 Mixture : Optical Properties of Condensed Matter

SHIRAI Hajime , FUJIMURA Yukihiko

… The as-deposited Si dot exhibits weak photoluminescence (PL) in the visible region, which is composed of two broad band peaks at 1.38 eV and 1.48 eV. … Fourier transform attenuated total reflection absorption spectroscopy (FTIR-ATR) study revealed that the spontaneous oxidation proceeded over a duration of 70 h and tended to saturate at the dot size of 3-5 nm. …

Japanese journal of applied physics. Pt. 2, Letters 41(10B), L1161-L1163, 2002-10-15

CiNii Fulltext PDF - Paid The Japan Society of Applied Physics References (13)
14

Proposed Sample Structure for Marked Enlargement of Excimer-Laser-Induced Lateral Grain Growth in Si Thin Films

YEH Wenchang , MATSUMURA Masakiyo

… SiON and SiOC films are good candidates for the photosensitive capping layer, although SiOC is preferable since it can be etched by a buffered HF solution and has an appropriate light absorption coefficient for a broad band of laser-light-wavelengths. …

Japanese journal of applied physics. Pt. 1, Regular papers & short notes 41(4A), 1909-1914, 2002-04-15

CiNii Fulltext PDF - Paid The Japan Society of Applied Physics References (15)
15

THz-Wave Parametric Generation and Its Linewidth Control

SHIKATA Jun-ichi , KAWASE Kodo , ITO Hiromasa

… Intense, broad-band terahertz-wave parametric generation (TPG) was achieved by using LiNbO_3 crystal pumped with a nanosecond Q-switched Nd: YAG laser, and it was applied to Fourier-transform spectroscopy. … The resolution of less than 100 MHz (0.003 cm^<-1>) was cleary shown by the absorption spectrum measurement of low pressure water vapor. …

IEICE transactions on electronics E85-C(2), 415, 2002-02-01

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16

603 Step-scan Fourier transform infrared absorption spectroscopy of acetylene monomer and cluster [in Japanese]

Hirabayashi Shinichi , Hirahara Yasuhiro

… A broad band was also observed between 3220 and 3260 cm^<-1> … with a dominant peak at 3232 cm^<-1>, indicating that this broad band is assignable to the high temperature cubic phase of solid acetylene. …

Abstracts Fall Meeting of the Japanese Society for Planetary Sciences 2001, 104, 2001-10-06

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17

Formation and Properties of Carbon Nitride Thin Films by Pulsed Nd:YAG Laser Deposition

Suda Yoshiaki , Doi Kazuya , Namba Jun , Imura Fumiaki , Kawasaki Hiroharu

… Fourier transform infrared spectroscope absorption spectra show two characteristic bands: a broad band composed of the graphite G-band and disordered D-band of carbon, and another associated with the CN triple bond. …

Jpn J Appl Phys 40(2B), 1061-1063, 2001-02-28

The Japan Society of Applied Physics References (21) Cited by (3)
18

Development of a Lidar System for Measuring Methane Using a Gas Correlation Method

Minato Atsushi , Joarder MD. Mahbubul Alam , Ozawa Satoru , Kadoya Minoru , Sugimoto Nobuo

… We developed a laser long-path absorption lidar system using a gas correlation method for measuring atmospheric methane. … This technique uses a broad-band laser and a gas correlation cell. …

Japanese journal of applied physics. Pt. 1, Regular papers & short notes 38(10), 6130-6132, 1999-10-15

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19

Laser Long-Path Absorption Lidar Technique for Measuring Methane Using Gas Correlation Method

Minato Atsushi , Kobayashi Takao , Sugimoto Nobuo

… We studied a new laser long-path absorption lidar technique using a gas correlation method for measuring methane in the atmosphere. … The method employs a broad-band multimode infrared pulsed laser and a cell containing methane as the correlation filter. … We obtained a simple equation for deriving the density of the target molecule from an analogy of the differential absorption method. …

Jpn J Appl Phys 37(6A), 3610-3613, 1998-06-15

The Japan Society of Applied Physics References (12)
20

Optical Absorption and Electron Spin Resonance Studies of Nonlinear Optical Crystal Li_3VO_4 Grown by the Floating-Zone Method

MURATA Takuya , FUJIMOTO Akira , MIKI Toshikatsu , SAKATA Shin'ichi

… The optically nonlinear Li_3VO_4 crystal grown by the floating-zone (FZ) method has been characterized by optical absorption and electron spin resonance (ESR) spectroscopy. … The as-grown single crystals grown in gaseous argon exhibit a broad absorption extending from the uv to near-infrared light regions and an absorption band at about 3 eV. …

Japanese journal of applied physics. Pt. 1, Regular papers & short notes 37(4A), 1838-1841, 1998-04-15

CiNii Fulltext PDF - Paid The Japan Society of Applied Physics References (9)

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