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Browsing 02.National Laboratory Astana by Issue Date

Browsing 02.National Laboratory Astana by Issue Date

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  • Insepov, Z. A.; Karatajev, E. M. (Matem. Mod., 1993)
    Molecular dynamics model of calculation of the growth and evaporation rate constants of dusters is proposed. Calculations for small clusters are carried out. On the basis of the chemical mechanism the characteristic time ...
  • Haberland, H.; Insepov, Z.; Moseler, M. (Physical Review B, 1995)
    Langevin-molecular-dynamics simulations of thin-film growth by energetic cluster impact were carried out. The impact of a Mo 1043 cluster on a Mo(001) surface was studied for impact energies of 0.1, 1, and 10 eV/atom using ...
  • Aoki, T.; Matsuo, J.; Insepov, Z.; Yamada, I. (Ion Implantation Technology Proceedings, 1998 …, 1999, 1999)
    Cluster ion implantation using decaborane (B,J-I,,) has been proposed as a useful technique for shallow junction formation. In order to examine the characteristics and advantages of cluster ion implantation, molecular ...
  • Insepov, Zinetulla; Aoki, T.; Matsuo, J.; Yamada, I. (IEEE. Ion Implantation Technology Proceedings, 1998 International Conference, 1999-12)
    Molecular Dynamics (MD) and Metropolis Monte- Carlo (MMC) models of monomer B and decaborane implantation into Si and following rapid thermal annealing (RTA) processes have been developed. The implanted B dopant and Si-atomic ...
  • Insepov, Z.; Manory, R.; Matsuo, J.; Yamada, I. (Physical Review B, 2000)
    Large gas-cluster-ion bombardment has been shown to be a unique tool for generating a variety of bombarding effects over a broad range of acceleration energies. A hardness measurement technique is proposed in this paper ...
  • Zhumadilov, Zhaxybay; GUSEV, BORIS I.; TAKADA, JUN; HOSHI, Masaharu; Kimura, AKIRO; Hayakawa, Norihiko; Takeichi, Nobuo (Journal of Radiation Research, 2000)
    From 1949 through 1989 nuclear weapons testing carried out by the former Soviet Union at the Semipalatinsk Nuclear Test Site (SNTS) resulted in local fallout affecting the residents of Semipalatinsk, Ust-Kamenogorsk and ...
  • Allen, L. P.; Insepov, Z.; Fenner, D. B.; Santeufemio, C.; Brooks, W.; Jones, K. S.; Yamada, I. (Journal of applied physics, 2002)
    Atomic force microscopy ~AFM! and high-resolution transmission electron microscope ~HRTEM! cross section imaging of individual gas cluster ion impact craters on Si~100! and Si~111! substrate surfaces is examined. The ...
  • Insepov, Z.; Norem, J. H.; Hassanein, A. (Physical Review Special Topics-Accelerators and Beams, 2004)
    Using a simple field evaporation model and molecular dynamics simulations of nanoscale copper tip evolution in a high electric field gradient typical for linacs, we have studied a new mechanism for rf-field evaporation. ...
  • Allain, J. P.; Hassanein, A.; Burtseva, T.; Yacout, A.; Insepov, Z.; Taj, S.; Rice, B. J. (Proceedings of SPIE, 2004-02)
    In extreme ultraviolet lithography (EUVL) environments transient plasma dynamics dictate conditions for particle/surface interactions. A critical challenge facing EUVL development is optic component lifetime both in ...
  • Norem, J.; Hassanein, A.; Insepov, Z.; Konkashbaev, I. (Proceedings of 2005 Particle Accelerator Conference, Knoxville, Tennessee, 2005)
    We present a simple model of breakdown in rf cavities. For most events this involves tensile stress and tensile strength, however other effects can also contribute. We discuss the effects of different materials, fatigue, ...
  • Norem, J.; Insepov, Z.; Bauer, P.; Seidman, D.N.; Sebastian, J.; Yoon, K. (Proceedings of the 12th International Workshop on RF Superconductivity, Cornell University, 2005)
    Field emission in cavities requires electric fields that can be high enough to damage materials. We outline a model of breakdown and field emission from local asperities, and show how electric field effects, and field ...
  • Zhumadilov, Kassym; Ivannikov, Alexander; Skvortsov, Valeriy; Stepanenko, Valeriy; Zhumadilov, Zhaxybay; Endo, Satoru; Tanaka, Kenichi; Hoshi, Masaharu (Journal of Radiation Research. http://jrr.jstage.jst.go.jp, 2005)
    conditions were optimized. The uncertainty of dose determination was obtained as the mean square deviation of doses, determined with the use of a spectra deconvolution program, from the nominal doses for ten enamel samples ...
  • Stepanenko, Valeriy F. (J. Radiat. Res. Vol. 47, Suppl. A (2006); http://jrr.jstage.jst.go.jp, 2005-03-09)
    The paper is an analytical overview of the main results presented at the 3 rd Dosimetry Workshop in Hiroshima (9–11 of March 2005), where different aspects of the dose reconstruction around the Semipalatinsk nuclear test ...
  • Hassanein, A.; Insepov, Z.; Norem, J.; Moretti, A.; Qian, Z.; Bross, A.; Seidman, D. N. (Physical Review Special Topics-Accelerators and Beams, 2006)
    We describe a model of damage in rf cavities and show how this damage can limit cavity operation. We first present a review of mechanisms that may or may not affect the ultimate fields that can be obtained in rf cavities, ...
  • Palmiotti, G.; Cahalan, J.; Pfeiffer, P.; Sofu, T.; Taiwo, T.; Wei, T.; Willamson, M. (Argonne National Laboratory, 2006)
    This report presents requirements for advanced simulation of nuclear reactor and chemical processing plants that are of interest to the Global Nuclear Energy Partnership (GNEP) initiative. Justification for advanced ...
  • Takeichi, Nobuo; Hoshi, Masaharu; Iida, Shozo; Tanaka, Kimio; Harada, Yuka; Zhumadilov, Zhaxybay; Chaizhunusova, Nailya; Apsalikov, Kazbek N.; Noso, Yoshihiro; Inaba, Toshiya; Tanaka, Kenichi; Endo, Satoru (Journal of Radiation Research. http://jrr.jstage.jst.go.jp, 2006)
    Chromosomal studies in peripheral lymphocytes from 63 residents near the Semipalatinsk nuclear test site, at ages of 52–63 years old, were performed in 2001–2002. A higher rate of chromosome aberrations was observed in the ...
  • Norem, J.; Bross, A.; Hassanein, A.; Qian, Z.; Yoon, K. E.; Moretti, A.; Li, D. (Fermilab, 2006-06)
    Studies of low frequency RF systems for muon cooling has led to a variety of new techniques for looking at dark currents, a new model of breakdown, and, ultimately, a model of RF cavity operation based on surface damage. ...
  • Insepov, Z.; Bazhirov, T.; Norman, G.; Stegailov, V. (Joint International Topical Meeting on Mathematics & Computation and Supercomputing in Nuclear Applications, 2007-04)
    Properties of liquid metals (Li, Pb, Na) containing nanoscale cavities were studied by atomistic Molecular Dynamics (MD). Two atomistic models of cavity simulation were developed that cover a wide area in the phase diagram ...
  • Insepov, Z.; Terasawa, M.; Takayama, K. (Physical Review A, 2008)
    Analyses were conducted of various models and mechanisms of highly charged ion HCI and swift-heavy ion energy transfer into a solid target, such as hollow atom formation, charge screening, neutralization, shock wave ...
  • Insepov, Z.; Bross, A.; Qian, Z.; Norem, J.; Huang, D.; Veitzer, S.; Torun, Y. (Fermilab, 2008)
    This paper presents a rst iteration of a model that attempts to describe all aspects of breakdown in rf cavities and provides some estimates of the parameters and parameter ranges involved, as an aid to producing more ...