Physics of Particles and Nuclei Letters

, Volume 9, Issue 8, pp 615–631 | Cite as

Chemical composition and structural phase changes of Pd sample and properties of novel synthesized structure at dense deuterium gas under irradiation by γ-quanta

  • A. Yu. Didyk
  • R. Wiśniewski


Studies have been carried out into the element composition of Pd and brass with associated materials and synthesized novel structure, placed in dense deuterium gas in a deuterium high-pressure chamber (DHPC) under the pressure 3 kbar and irradiated with γ-quanta of energy up to 8.8 MeV. Using the methods of scanning electron microscopy, microelement chemical analysis and X-ray diffraction, it was determined that in the absence in the chamber volume and walls of all HPC-forming materials the synthesized structure is largely composed of alumosilicates and Al and Si oxides with high content of Ti compounds as rutile TiO2. Pd1.5D2. Considerable anomalies in the chemical composition were found both in the surface and at large depth in a Pd specimen. The entire Pd surface turned into a structure comprised of Pd clusters, Cu and Zn compounds, with a notable content of Mg, Al, S, Si, K, Ca, Ti and Fe compounds. Results of evaluative calculations, including computation of the Q-value, are presented for nuclear reactions produced in a saturated with deuterium Pd specimen and dense deuterium gas under the action of γ-quanta, neutrons and protons of energies up to E n + E p E γE D MeV generated by deuteron fission. The obtained results can be explained by “collective effects” as chain reactions caused by deuteron fission induced by protons (E p > 3.39 MeV) and neutrons (E n > 2.25 MeV), as well as by thermonuclear synthesis of deuterium atoms elastically scattered by protons of energies up to E P < E γE D MeV.


Nucleus Letter Giant Dipole Resonance Crater Floor Beryllium Bronze Structural Phase Change 
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© Pleiades Publishing, Ltd. 2012

Authors and Affiliations

  1. 1.Joint Institute for Nuclear ResearchG.N. Flerov Laboratory of Nuclear ReactionsDubna, Moscow RegionRussia
  2. 2.National Center of Nuclear Research (Narodove Centrum Badan Jadrowych)OtwockPoland

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