Search Results - "Zatsepin, A F"

Thermal Disorder in Finite-Length Carbon Nanowire by Wong, C H, Buntov, E A, Yip, W S, To, S, Guseva, M B, Zatsepin, A F

“…Enhancement in chemisorption is one of the active research areas in carbon materials. To remedy the thermally degraded chemisorption occurring at high…”
Get full text

Effect of long-term storage on the electronic structure of semiconducting silicon wafers implanted by rhenium ions by Zatsepin, D. A., Boukhvalov, D. W., Zatsepin, A. F., Mikhaylov, A. N., Gerasimenko, N. N., Zaporozhan, O. A.

“…Rhenium-doped silicon samples had been synthesized by means of re-pulsed ion implantation (fluences 2.5 × 10 17  cm −2 , 1 × 10 17  cm −2 and 5 × 10 16  cm −2…”
Get full text

Unveiling the Atomic and Electronic Structure of Stacked-Cup Carbon Nanofibers by Boukhvalov, D. W., Zhidkov, I. S., Kiryakov, A., Menéndez, J. L., Fernández-García, L., Kukharenko, A. I., Cholakh, S. O., Zatsepin, A. F., Kurmaev, E. Z.

“…We report results of comprehensive experimental exploration (X-ray photoemission, Raman and optical spectroscopy) of carbon nanofibers (CNFs) in combination…”
Get full text

Electronic Work Function of Carbon Nanocomposite Films According to Vacuum and Atmospheric Photoemission by Boqizoda, D. A., Zatsepin, A. F., Buntov, E. A., Slesarev, A. I.

“…Using the methods of optically stimulated electron emission (OSEE) and ambient pressure photoemission spectroscopy (APS), the energy characteristics of…”
Get full text

Paramagnetic Mn Antisite Defects in Nanoceramics of Aluminum–Magnesium Spinel by Zatsepin, A. F., Kiryakov, A. N., Baytimirov, D. R., Dyachkova, T. V., Tyutyunnik, A. P., Zainulin, Yu. G.

“…The effect of structure and size parameters on the formation of intrinsic and impurity paramagnetic centers in nanoceramics of aluminum–magnesium spinel is…”
Get full text

Induced Quasi-Dynamic Disorder in a Structure of Rhenium Ion-Implanted Quartz Glass by Zatsepin, A. F., Biryukov, D. Yu, Gavrilov, N. V., Shtang, T. V., Koubisy, M. S. I., Parulin, R. A.

“…The ultraviolet (UV) absorption spectra were studied in UV–Vis–IR quartz glasses exposed to the rhenium ion irradiation at the energy of 30 keV. An increase in…”
Get full text

Energy gaps, refractive index and photon emission from point defects in copper-doped Gd2O3 nanocrystalline films by Kuznetsova, Yu.A., Zatsepin, D.A., Zatsepin, A.F., Gavrilov, N.V.

“…•Reactive anodic evaporation method provides the synthesis of single-phase Gd2O3 films.•The embedding of Cu leads to a decrease in the transparency gap of…”
Get full text

Sn-loss effect in a Sn-implanted a-SiO2 host-matrix after thermal annealing: A combined XPS, PL, and DFT study by Zatsepin, D.A., Zatsepin, A.F., Boukhvalov, D.W., Kurmaev, E.Z., Gavrilov, N.V.

“…•Fabrication and annealing of Sn-doped amorphous SiO2 were studied experimentally and theoretically.•We demonstrate that ions of impurities push ions of host…”
Get full text

Ion-beam induced quasi-dynamic continual disorder in Bi-implanted Hongan silica glass by Koubisy, M. S. I., Zatsepin, A. F., Biryukov, D. Yu, Zatsepin, D. A., Shtang, T. V., Gavrilov, N.V.

“…•The samples of silica glass were used as hosts for implantation with Bi+2 ions.•The dose dependences of characteristic Urbach energy and width of the optical…”
Get full text

Structural and electron-optical properties of transparent nanocrystalline MgAl2O4 spinel implanted with copper ions by Zatsepin, A.F., Kiryakov, A.N., Zatsepin, D.A., Shchapova, Yu.V., Gavrilov, N.V.

“…Optically transparent MgAl2O4 ceramics was functionalized by Cu2+-ions employing various implantation fluences. Depending on ion beam exposure, both radiation…”
Get full text

The Effectiveness of Data Augmentation of SEM Images on a Small Database Based on Deep-Learning Intelligence by Wong, C. H., Ng, S. M., Leung, C. W., Zatsepin, A. F.

“…The software development in Nanoscience Foundries & Fine Analysis (NFFA) Europe Projects needs to train numerous scanning electron microscope (SEM) images…”
Get full text

A theoretical quest for high temperature superconductivity on the example of low-dimensional carbon structures by Wong, C. H., Lortz, R., Buntov, E. A., Kasimova, R. E., Zatsepin, A. F.

“…High temperature superconductivity does not necessarily require correlated electron systems with complex competing or coexisting orders. Instead, it may be…”
Get full text

Method for the analysis of nonselective spectra of optically stimulated electron emission from irradiated dielectrics by Zatsepin, A. F., Biryukov, D. Yu, Kortov, V. S.

“…A method has been proposed and substantiated for processing of nonselective optically stimulated electron emission (OSEE) spectra of irradiated crystalline and…”
Get full text

Ultrasonic Testing of Butt Joints in Electric Steel Plates Using Lamb Waves by Vasil’ev, A. V., Biryukov, D. Yu, Zatsepin, A. F.

“…The influence of the quality of welding thin steel sheets on the physical and mechanical properties of electric steel has been studied using Lamb waves. It is…”
Get full text

Energy Conversion in Gd2O3 Nanocrystals Doped with Er3+ Ions by Trofimova, E. S., Pustovarov, V. A., Zatsepin, A. F.

“…The conversion of the energy absorbed by cubic Gd 2 O 3 nanocrystals doped with Er 3+ and codoped with Yb 3+ and Zn 2+ ions in a temperature range of 95–425 K…”
Get full text

Bi-doped silica glass: A combined XPS – DFT study of electronic structure and pleomorphic imperfections by Zatsepin, D.A., Zatsepin, A.F., Boukhvalov, D.W., Gavrilov, N.V.

“…The results of X-ray photoelectron spectroscopy analysis (core-levels, valence band) and first-principles modelling of bismuth implanted silicon dioxide…”
Get full text

Bulk In2O3 crystals grown by chemical vapour transport: a combination of XPS and DFT studies by Zatsepin, D. A., Boukhvalov, D. W., Zatsepin, A. F., Vines, L., Gogova, D., Shur, V. Ya, Esin, A. A.

“…High purity In 2 O 3 crystals were synthesized by the chemical vapour transport (CVT) as confirmed by X-ray Photoelectron Spectroscopy (XPS) using survey,…”
Get full text

Modification of MgAl2O4 Electron-Optic Properties by Pulsed Ion Beam by Zatsepin, A. F., Kiryakov, A. N., Zatsepin, D. A., Gavrilov, N. V.

“…The electron-optical characteristics of transparent aluminum-magnesium spinel ceramics doped with various copper fluences are studied. As a result of the…”
Get full text

2D-ordered kinked carbyne chains: DFT modeling and Raman characterization by Buntov, E.A., Zatsepin, A.F., Guseva, M.B., Ponosov, Yu.S.

“…During the past years one-dimensional carbon allotropes containing sp1 bonds, both individual chains and carbyne-like crystals held by Van der Waals forces,…”
Get full text

Electronic structure and photoluminescence properties of Zn-ion implanted silica glass before and after thermal annealing by Zatsepin, D.A., Zatsepin, A.F., Boukhvalov, D.W., Kurmaev, E.Z., Pchelkina, Z.V., Gavrilov, N.V.

“…The results of XPS core-level and valence band measurements, photoluminescence spectra of a-SiO2 implanted by Zn-ions (E=30keV, D=1·1017cm−2) and Density…”
Get full text