97 citations · 322 across the 16 of their papers we have counts for
16 papers
Structural, electronic, and optical properties of 6H-SiC layers synthesized by implantation of carbon ions into silicon
D. W. Boukhvalov, D. A. Zatsepin, D. Yu. Biryukov +3
Systematic studies of the gradual fabrication by means of carbon ion-implantation of high-quality 6H-SiC layers on silicon surfaces have been carried out. The fluence of carbon ion…
Formation of yttrium oxalate phase filled by carbon clusters on the surface of yttrium oxide films
D. W. Boukhvalov, D. A. Zatsepin, D. Yu. Biryukov +3
In the current paper, we report the results of surface modification of cubic Y2O3 films employing carbon-ion implantation. The characterization results demonstrate the formation of…
Uncommon 2D Diamond-like Carbon Nanodots Derived from Nanotubes: Atomic Structure, Electronic States and Photonic Properties
D. W. Boukhvalov, D. A. Zatsepin, Yu. A. Kuznetsova +2
In this article, we report the results of relatively facile fabrication of carbon nanodots from single-walled and multi-walled carbon nanotubes (SWCNT and MWCNT). The results of X-…
Comparative Analysis of the Electronic Energy Structure of Nanocrystalline Polymorphs of Y2O3 Thin Layers: Theory and Experiments
D. W. Boukhvalov, D. A. Zatsepin, Yu. A. Kuznetsova +2
The results of fabrication and characterization of atomic structure of nanocrystalline thin layers of Y2O3 in cubic and monoclinic phases is reported. Experimental data demonstrate…
Band alignments of electronic energy structure in epitaxially grown \b{eta}-Ga2O3 layers
D. A. Zatsepin, D. W. Boukhvalov, A. F. Zatsepin +4
Gallium oxide epitaxial layers grown on native substrates and basal plane sapphire were characherized by X-ray phtotelectron and optical reflectance spectroscopies. The XPS electro…
Electronic structure, charge transfer, and intrinsic luminescence of gadolinium oxide nanoparticles: Experiment and theory
D. A. Zatsepin, D. W. Boukhvalov, A. F. Zatsepin +6
The cubic (c) and monoclinic (m) polymorphs of Gd2O3 were studied using the combined analysis of several materials science techniques - X-ray diffraction (XRD), scanning electron m…
The MRO-accompanied modes of Re-implantation into SiO2-host matrix: XPS and DFT based scenarios
A. F. Zatsepin, D. A. Zatsepin, D. W. Boukhvalov +3
The following scenarios of Re-embedding into SiO2-host by pulsed Re-implantation were derived and discussed after XPS-and-DFT electronic structure qualification: (i) low Re-impurit…
Enhanced clustering tendency of Cu-impurities with a number of oxygen vacancies in heavy carbon-loaded TiO2 - the bulk and surface morphologies
D. A. Zatsepin, D. W. Boukhvalov, E. Z. Kurmaev +4
The over threshold carbon-loadings (~50 at.%) of initial TiO2-hosts and posterior Cu-sensitization (~7 at.%) was made using pulsed ion-implantation technique in sequential mode wit…
XPS and DFT study of pulsed Bi-implantation of bulk and thin-films of ZnO - the role of oxygen imperfections
D. A. Zatsepin, D. W. Boukhvalov, N. V. Gavrilov +2
An atomic and electronic structure of the bulk and thin-film morphologies of ZnO were modified using pulsed Bi-ion implantation (1x1017 cm-2 fluence, 70 min exposure under Bi-ion b…
Pleomorphic structural imperfections caused by pulsed Bi-implantation in the bulk and thin-film morphologies of TiO2
D. A. Zatsepin, D. W. Boukhvalov, E. Z. Kurmaev +3
The results of combined experimental and theoretical study of substitutional and clustering effects in Bi-doped TiO2 hosts (bulk and thin-film morphologies) are presented. Bi-dopin…
Sn-loss effect in a Sn-implanted a-SiO2 host-matrix after thermal annealing: A combined XPS, PL, and DFT study
D. A. Zatsepin, A. F. Zatsepin, D. W. Boukhvalov +2
Amorphous a-SiO2 host-matrices were implanted with Sn-ions with and without posterior thermal tempering at 900 °C for 1 hour in ambient air. X-ray photoelectron spectroscopy analys…
Electronic band gap reduction and intense luminescence in Co and Mn ion-implanted SiO
R. J. Green, D. A. Zatsepin, D. J. St. Onge +4
Cobalt and manganese ions are implanted into SiO over a wide range of concentrations. For low concentrations, the Co atoms occupy interstitial locations, coordinated with oxyge…
Local structure of Fe impurity atoms in ZnO: bulk versus surface
J. A. McLeod, D. W. Boukhvalov, D. A. Zatsepin +9
By studying Fe-doped ZnO pellets and thin films with various x-ray spectroscopic techniques, and complementing this with density functional theory calculations, we find that Fe-dop…
Structural defects induced by Fe-ion implantation in TiO2
B. Leedahl, D. A. Zatsepin, D. W. Boukhvalov +8
X-ray photoelectron spectroscopy (XPS) and resonant x-ray emission spectroscopy (RXES) measurements of pellet and thin film forms of TiO with implanted Fe ions are presented an…
Interplay of ballistic and chemical effects in the formation of structural defects for Sn and Pb implanted silica
R. J. Green, A. Hunt, D. A. Zatsepin +6
The electronic structures of Sn and Pb implanted SiO2 are studied using soft X-ray absorption (XAS) and emission (XES) spectroscopy. We show, using reference compounds and ab initi…
Electronic structure of magnetic molecules V15: LDA+U calculations, X-ray emission and photoelectron spectra
D. W. Boukhvalov, E. Z. Kurmaev, A. Moewes +10
Electronic structure of V magnetic molecules (K [V As O (HO)] \cdot 8HO)$ has been studied using LSDA+U band structure calculations, and measur…