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Journal Articles

Ablation of insulators under the action of short pulses of X-ray plasma lasers and free-electron lasers

Inogamov, N. A.*; Anisimov, S. I.*; Petrov, Y. V.*; Khokhlov, V. A.*; Zhakhovskii, V. V.*; Faenov, A. Ya.*; Pikuz, T.; Fortov, V. E.*; Skobelev, I. Y.*; Kato, Yoshiaki*; et al.

Journal of Optical Technology, 78(8), p.473 - 480, 2011/08

 Times Cited Count:5 Percentile:30.2(Optics)

Journal Articles

Two-temperature warm dense matter produced by ultrashort Extreme Vacuum Ultraviolet-Free Electron Laser (EUV-FEL) pulse

Inogamov, N. A.*; Faenov, A. Ya.*; Zhakhovsky, V. V.*; Pikuz, T. A.*; Skobelev, I. Yu.*; Petrov, Y. V.*; Khokhlov, V. A.*; Shepelev, V. V.*; Anisimov, S. I.*; Fortov, V. E.*; et al.

Contributions to Plasma Physics, 51(5), p.419 - 426, 2011/06

 Times Cited Count:19 Percentile:65.53(Physics, Fluids & Plasmas)

Warm dense matter, arising under the action of ultrashort EUV-FEL pulse onto LiF dielectric crystal, is characterized by high temperature of conduction electrons, with their number density achieving values of the order of atom number density at maximum laser fluences in our experiments. Expansion of matter, heated and pressurized through the electron-ion energy exchange, gives rise to the spallative ablation at small fluences and gaseous outflow from a target in the case of large fluences. Ablation threshold is low in comparison with a longer nanosecond XRL.

Journal Articles

Spallative ablation of dielectrics by X-ray laser

Inogamov, N. A.*; Zhakhovsky, V. V.*; Faenov, A. Ya.*; Khokhlov, V. A.*; Shepelev, V. V.*; Skobelev, I. Y.*; Kato, Yoshiaki*; Tanaka, Momoko; Pikuz, T. A.*; Kishimoto, Maki; et al.

Applied Physics A, 101(1), p.87 - 96, 2010/10

 Times Cited Count:32 Percentile:76.9(Materials Science, Multidisciplinary)

Journal Articles

Interaction of short laser pulses in wavelength range from infrared to X-ray with metals, semiconductors, and dielectrics

Inogamov, N. A.*; Faenov, A. Ya.*; Zhakhovskii, V. V.*; Skobelev, I. Y.*; Khokhlov, V. A.*; Kato, Yoshiaki*; Tanaka, Momoko; Pikuz, T. A.*; Kishimoto, Maki; Ishino, Masahiko; et al.

Contributions to Plasma Physics, 51(4), p.361 - 366, 2010/05

 Times Cited Count:19 Percentile:65.53(Physics, Fluids & Plasmas)

Journal Articles

Spin gap in Tl$$_2$$Ru$$_2$$O$$_7$$ and the possible formation of Haldane chains in three-dimensional crystals

Lee, S.*; Park, J.-G.*; Adroja, D. T.*; Khomskii, D.*; Streltsov, S.*; McEwen, K. A.*; Sakai, Hironori; Yoshimura, Kazuyoshi*; Anisimov, V. I.*; Mori, Daisuke*; et al.

Nature Materials, 5(6), p.471 - 476, 2006/06

 Times Cited Count:103 Percentile:94.57(Chemistry, Physical)

Here we show that the three-dimensional cubic system of Tl$$_2$$Ru$$_2$$O$$_7$$ most probably evolves into a one-dimensional spin-one Haldane system with a spin gap below 120 K, accompanied by anomalies in the structure, resistivity, and susceptibility. We argue that these anomalies are due to an orbital ordering of Ru $$4d$$ electrons, with a strong coupling among three degrees of freedom: orbital, spin, and lattice. Our work provides a unique example of the spontaneous formation of Haldane system with an insight into the intriguing interplay of different degrees of freedom.

Journal Articles

Prominent quasiparticle peak in the photoemission spectrum of the metallic phase of V$$_{2}$$O$$_{3}$$

Mo, S.-K.*; Denlinger, J. D.*; Kim, H.-D.*; Park, J.-H.*; Allen, J. W.*; Sekiyama, Akira*; Yamasaki, Atsushi*; Kadono, Koji*; Suga, Shigemasa*; Saito, Yuji; et al.

Physical Review Letters, 90(18), p.186403_1 - 186403_4, 2003/05

A2003-0178.pdf:0.18MB

 Times Cited Count:139 Percentile:95.61(Physics, Multidisciplinary)

no abstracts in English

Oral presentation

Low-threshold ablation of dielectrics irradiated by picosecond soft X-ray laser pulses; Observation and modeling

Faenov, A. Y.; Pikuz, T. A.*; Inogamov, N. A.*; Zhakhovski, V.*; Khokhlov, V.*; Anisimov, S. I.*; Fortov, V. E.*; Kato, Yoshiaki*; Fukuda, Yuji; Tanaka, Momoko; et al.

no journal, , 

Oral presentation

Observation and modeling ablation threshold features of dielectrics irradiated by ultrashort pulses of soft X-ray transient collisional and free electron lasers

Inogamov, N. A.*; Faenov, A. Y.; Pikuz, T.*; Zhakhovski, V.*; Skobelev, I.*; Khokhlov, V.*; Anisimov, S. I.*; Fortov, V. E.*; Fukuda, Yuji; Kato, Yoshiaki*; et al.

no journal, , 

Oral presentation

Low-threshold ablation of dielectrics irradiated by ultrashort pulses of soft X-ray transient collisional and free electron lasers; Observation and modeling

Faenov, A. Y.; Pikuz, T.*; Inogamov, N. A.*; Zhakhovski, V.*; Skobelev, I.*; Khokhlov, V.*; Anisimov, S. I.*; Fortov, V. E.*; Fukuda, Yuji; Kato, Yoshiaki*; et al.

no journal, , 

Oral presentation

Observation of the metal surface irradiated with the focused soft X-ray laser pulse

Ishino, Masahiko; Faenov, A. Y.*; Tanaka, Momoko; Tamotsu, Satoshi*; Kawachi, Tetsuya; Inogamov, N. A.*; Pikuz, T. A.*; Oba, Toshiyuki; Kaihori, Takeshi; Khokhlov, V.*; et al.

no journal, , 

no abstracts in English

Oral presentation

Observation of ablation threshold of solid illuminated by EUV laser

Kawachi, Tetsuya; Faenov, A.*; Ishino, Masahiko; Tanaka, Momoko; Inogamov, N. A.*; Khokhlov, V.*; Anisimov, S. I.*; Pikuz, T.*; Hasegawa, Noboru; Nishikino, Masaharu; et al.

no journal, , 

We have observed low ablation threshold of substances illuminated by EUV laser pulse. The ablation threshold was lower by 2-3 orders of magnitude compared with the cases by use of visible or infrared laser pulse. In order to explain the present result, we have performed the computer simulation involving molecular dynamics and hydro-dynamics. The calculated results implied that in the case of EUV laser ablation, high temperature and high pressure region could be generated in localized area, and following strong tenssile stress induced spallative distruction of the substances. This mechanism is completely different from the ablation process induced by visible or infrared laser illumination.

Oral presentation

Observation of low ablation threshold of materials irradiated by pico-second EUV laser pulse

Kawachi, Tetsuya; Faenov, A.*; Tanaka, Momoko; Ishino, Masahiko; Pikuz, T.*; Hasegawa, Noboru; Bulanov, S. V.; Inogamov, N. A.*; Khokhlov, V.*; Anisimov, S. I.*

no journal, , 

We have observed ablation threshold of materials irradiated by pico-second EUV laser pulse. The obtained ablation threshold was lower by 2-3 orders of magnitude than the cases irradiated by visible or infrared laser pulse. In order to explain the present result, we have performed computer simulation involving molecure-dynamics and hydro-dynamics. The results shows that in the case of EUV laser irradiation, high temperature and high pressure region is generated in the localized area of the materials and following generation of the strong tenssile induces spallative destruction of the material. This mechanism is completely different from the case by use of visible or infrared laser pulse.

Oral presentation

Surface nanodeformations caused by ultrashort laser pulse

Inogamov, N. A.*; Zhakhovsky, V. V.*; Ashitkov, S.*; Eminov, Yu.*; Faenov, A.*; Petrov, Y. V.*; Khokhlov, V.*; Ishino, Masahiko; Demaske, B.*; Tanaka, Momoko; et al.

no journal, , 

13 (Records 1-13 displayed on this page)
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