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Journal Articles

Unoccupied conduction band of chloroaluminum phthalocyanine

Ikeura, Hiromi*; Sekiguchi, Tetsuhiro

Japanese Journal of Applied Physics, 58(SI), p.SIIC04_1 - SIIC04_4, 2019/08

 Times Cited Count:0 Percentile:0(Physics, Applied)

The electronic structure of the unoccupied conduction band of polycrystalline chloroaluminum phthalocyanine was investigated by X-ray absorption spectroscopy (XAS) near the Cl K-edge. XAS spectra were recorded in total electron yield (TEY) and partial Auger electron yield (AEY) modes. Partial AEY spectra were measured using normal and spectator Cl KL$$_{2,3}$$L$$_{2,3}$$ Auger yields as a function of photon energy. Although the TEY spectrum showed a broad shape; that was difficult to deconvolute curve fitting, the normal and spectator AEY spectra clearly showed that $$Cl 1srightarrow $$ $$sigma$$*(Cl-Al) transition splits into two competitive peaks attributed to the core excitons (localized with a core hole) and conduction band (delocalized without a core hole). The existence of a band-like peak in the Cl K-edge XAS is evidence that the Cl axial ligand participates in forming the conduction band. Thus, band-like electron transport is expected to occur in the oligomer-like (-Al-Cl-Al-) site.

Journal Articles

Application of X-ray nonlinear processes to the measurement of 10 fs to sub-ps of X-ray pulses

Moribayashi, Kengo; Kagawa, Takashi*; Kim, D. E.*

Journal of Physics B; Atomic, Molecular and Optical Physics, 38(13), p.2187 - 2194, 2005/07

 Times Cited Count:6 Percentile:31.16(Optics)

no abstracts in English

Journal Articles

Decomposition of 2-deoxy-$$D$$-ribose by irradiation with 0.6 keV electrons and by 0.5 keV ultrasoft X-rays

Fujii, Kentaro; Akamatsu, Ken; Yokoya, Akinari

International Journal of Radiation Biology, 80(11-12), p.909 - 914, 2004/11

 Times Cited Count:9 Percentile:52.57(Biology)

no abstracts in English

Journal Articles

First principles study of core-hole effect on fluorine K-edge X-ray absorption spectra of MgF$$_{2}$$ and ZnF$$_{2}$$

Yamamoto, Tomoyuki*; Mizoguchi, Teruyasu*; Tatsumi, Kazuyoshi*; Tanaka, Isao*; Adachi, Hirohiko*; Muramatsu, Yasuji; Gullikson, E. M.*; Perera, R. C. C.*

Materials Transactions, 45(7), p.1991 - 1993, 2004/07

 Times Cited Count:7 Percentile:44.6(Materials Science, Multidisciplinary)

First principles calculations have been carried out to investigate the core-hole effects on the theoretical fine structures of the X-ray absorption spectra of MgF$$_{2}$$ and ZnF$$_{2}$$ ath FK-edge. Experimental profiles of the near-edge X-ray absorption fine structures are well reproduced by the theoretical calculations when the core-hole effect is introduced. The dependence of supercell size on the theoretical fine structures is also examined.

Journal Articles

X-ray emission from inner-shell ionization of Ne-like ions

Moribayashi, Kengo; Kagawa, Takashi*; Kim, D. E.*

Nuclear Instruments and Methods in Physics Research B, 205, p.334 - 336, 2003/05

 Times Cited Count:7 Percentile:46.82(Instruments & Instrumentation)

no abstracts in English

Journal Articles

Short wavelength X-ray emission generated by high intensity laser irradiation on Xe clusters

Moribayashi, Kengo

Nuclear Instruments and Methods in Physics Research B, 205, p.346 - 349, 2003/05

 Times Cited Count:2 Percentile:21.23(Instruments & Instrumentation)

no abstracts in English

Journal Articles

Experimental technique for radiative-process-resolved X-ray absorption spectroscopy at the inner-shell excitation thresholds

Muramatsu, Yasuji; Ueno, Yuko*; Sasaki, Teikichi; Gullikson, E. M.*; Perera, R. C. C.*

Journal of Synchrotron Radiation, 8(2), p.369 - 371, 2002/03

 Times Cited Count:2 Percentile:20.26(Instruments & Instrumentation)

no abstracts in English

Journal Articles

EXAFS spectra above Pb and Pt $${it K}$$ edges observed at low temperature

Nishihata, Yasuo; Mizuki, Junichiro; Emura, Shuichi*; Uruga, Tomoya*

Journal of Synchrotron Radiation, 8, p.294 - 296, 2001/03

 Times Cited Count:7 Percentile:43.47(Instruments & Instrumentation)

no abstracts in English

Journal Articles

HF-STEX and RASSCF calculations on nitrogen K-shell X-ray absorption of purine base and its derivative

Mochizuki, Yuji*; Koide, Hiroshi; Imamura, Toshiyuki; Takemiya, Hiroshi*

Journal of Synchrotron Radiation, 8(Part.2), p.1003 - 1005, 2001/03

no abstracts in English

Journal Articles

Short wavelength X-ray emission from inner-shell excited states generated by high intensity laser irradiation on Kr, Xe clusters

Moribayashi, Kengo; Zhidkov, A. G.; Sasaki, Akira; Sudo, Keiko; Suzuki, Shingo*

Proceedings of 2nd International Conference on Inertial Fusion Sciences and Applications (IFSA 2001), p.1182 - 1185, 2001/00

no abstracts in English

Journal Articles

Application of X-ray emission from inner-shell excited states and hollow atoms produced by high intensity laser irradiation

Moribayashi, Kengo; Sasaki, Akira; Zhidkov, A. G.; Ueshima, Yutaka; Sudo, Keiko*; Kagawa, Takashi*

Atomic Collision Research in Japan, No. 26, p.111 - 113, 2000/00

no abstracts in English

Journal Articles

芳香族炭化水素固体におけるC-H解離に関する内殻励起効果の研究

Shimoyama, Iwao

Hoshako, 12(4), p.59 - 60, 1999/09

no abstracts in English

Journal Articles

Study of radiation damage induced by inner-shell excitation in aromatic hydrocarbon solids

Shimoyama, Iwao

Hoshasen Kagaku, (68), p.17 - 21, 1999/09

no abstracts in English

Journal Articles

The Mechanism of fragmentation and desorption pathways via multi-hole states of chemisorbates as studied by ion-ion-coincidence method

Sekiguchi, Tetsuhiro; Sekiguchi, Hiromi*; Tanaka, Kenichiro*

Atomic Collision Research in Japan, (23), p.84 - 85, 1997/00

no abstracts in English

Journal Articles

Ion desorption induced by site-selective excitation of oxygen 1s electrons

Sekiguchi, Hiromi*; Sekiguchi, Tetsuhiro

Atomic Collision Research in Japan, (23), p.82 - 83, 1997/00

no abstracts in English

Journal Articles

Comparison between electron yield, PSD ion yield, and surface pipico yield in near C and O K-edge XAFS in condensed methyl formate-D

Sekiguchi, Tetsuhiro; Sekiguchi, Hiromi*; *; Tanaka, Kenichiro*

J. Phys., IV, 7, p.505 - 506, 1997/00

no abstracts in English

Journal Articles

Applications of a photoion-photoion-coincidence technique to the study of photon-stimulated ion-desorption process following K-shell excitation

Sekiguchi, Tetsuhiro; Sekiguchi, Hiromi*; Tanaka, Kenichiro*

Surface Science, 390(1-3), p.199 - 203, 1997/00

 Times Cited Count:4 Percentile:33.02(Chemistry, Physical)

no abstracts in English

Journal Articles

Enhanced photon stimulated ion-desorption yields from chemisorbed molecules through bond-selective core-electron excitation

*; Sekiguchi, Tetsuhiro; Tanaka, Kenichiro*

Physical Review B, 53(19), p.12655 - 12658, 1996/05

 Times Cited Count:28 Percentile:79.39(Materials Science, Multidisciplinary)

no abstracts in English

Journal Articles

Inner-shell excitation and state-specific ion-desorption from condensed methyl formate

Sekiguchi, Tetsuhiro; Sekiguchi, Hiromi*

Atomic Collision Research in Japan, 0(22), p.89 - 90, 1996/00

no abstracts in English

Journal Articles

State-specific ion desorption from DCOO/Si(100) by C 1s core excitation

*; Sekiguchi, Tetsuhiro; Tanaka, Kenichiro*

Journal of Electron Spectroscopy and Related Phenomena, 80, p.121 - 124, 1996/00

 Times Cited Count:4 Percentile:26.09(Spectroscopy)

no abstracts in English

28 (Records 1-20 displayed on this page)